CDL Pre-Trip Inspection Test and How To Memorize It

The pre-trip is one of the things that students fear the most and fail the most. Let’s face it, the pre-trip is intimidating because there is so much stuff to memorize. The key to learning the pre-trip inspection is preparation, memorization, and repetition. Don’t go away, in this article I have exactly what you need to make sure you pass it the first time.

It is going to take time for you to memorize everything and the only way to do this is by repeating it over and over.

Hopefully, the school where you are being trained is giving you enough time to practice it everyday you are there.

I can’t stress that enough, regardless of which method you use below you need to repeat it daily and practice on your own.

Don’t expect that your run through once a day with your instructor is enough, it isn’t.

In this article I’m going to give you 8 tips that will help you memorize the pre-trip so you are able to pass it your first time and move on with your driving career.

1. REPETITION!

The only way to memorize the pre-trip is to repeat it over and over. Start with the engine area and work your way around the truck and finally inside the cab.

There is no way around consistent repetition. The more you do it the more you will memorize it. It’s just that simple.

Now that we have established how important repetition is I want you go through the rest of this list and figure out which method (or methods) works best for you and then repeat it over and over.

2. Record Someone Else

You can use YouTube to find a video of someone doing a pretrip and for the most part they work pretty well (more about YouTube later).

Take it a step further though. Ask someone (like and instructor or friend) to do a pre-trip and video record them.

While they are doing it try to use the zoom function on your camera so that you know what the parts look like and what is being checked.

Students that I come across have said that this method works really well because you have quality video and audio. Just watch your recording over and over and this stuff will be engraved in your brain.

Just make sure you are absolutely sure that the person you record knows what they are doing and are showing you everything. You don’t want to watch a video that skips anything that will be on the test.

3. Smaller Chunks

Break down the pre-trip into smaller chunks so that it is not overwhelming. If you think about memorizing everything at once it will be a daunting task.

My suggestion is you learn your air brakes first, then the inside of the cab, the engine compartment, and then the rest of the truck. You can chose any order that you want to as long as it helps you out.

Memorize each part and then tie it all together. You will find that learning the pre-trip is much easier if you do it this way.

4. Use Your Imagination

Do this while in bed before you fall asleep. Warning: the pre-trip is going to consume a lot of your attention during training, even while you sleep!

When you wake up go through a video you found on YouTube or the one you recorded (see #2) and correct any errors you made.

5. Find A Truck

It really helps if you have access to a truck. Pictures alone are not enough. Most of you are probably getting your training through a private school, company sponsored training , or community college.

All of these will give you access to an actual truck and should be taking time each day to practice the pre-trip.

Take advantage of this time with the truck to practice your pre-trip as much as possible. When class ends try to stick around to get in some extra practice, this could be the difference between passing and failing.

6. Watch A Pre-Trip Video On YouTube (not straight through)

There are a lot of videos on YouTube that you can choose from. Let me save you some time, these two (below) is the best because it has good audio and video quality, is accurate, and is easy to follow.

Don’t watch the video straight through over and over. Like I mentioned earlier you should chunk it into smaller sections.

Watch a section, pause it, and list off the names of the parts and things to look for. Play it again to see if you are getting them correct. When you finish one section go on to another section until you finish it.

Don’t move on to a new section until you have memorized the section you started. When you complete all the sections you should be able to watch the whole pre-trip and repeat everything on it from start to finish.

If you want to challenge yourself a little try mixing up the sections so that the sections that was last is now first. This will let you know if you are really memorizing everything.

7. Use A Checklist

Probably the most popular ways to memorize the pre-trip is to use a checklist. No doubt that wherever you are getting your training at is already giving you a checklist to use.

Use it. A lot.

Not all checklists are done in the same order but they should all cover the same stuff. I like this one here (printable PDF document) by the people at Trucking Truth , it’s easy to follow and is accurate.

Every possible thing that you will need to identify during the pre-trip is on this checklist.

8. Use Pictures/Diagrams

There are a ton of picture resources out there that will help you memorize the test. Just do a search for “cdl pre-trip inspection pictures” and you will find a ton of stuff.

The picture I like most are these (link to PDF) by Driver Solutions. The pictures are easy to see and distinct arrows are used to point to each part. Along with pictures is an explanation of what to look for and what to say for each individual part.

What Is The Pre-Trip Inspection?

The pre-trip inspection is an inspection of the commercial vehicle including the cab, engine compartment, and exterior.

A driver of a commercial vehicle is required, by federal law, to complete one every day before driving the vehicle and at least once in a 24 hour period. Every single time you begin driving your truck you will have to complete a pre-trip.

The purpose of it is to make sure that the vehicle is safe to drive.

This gives you a chance to get whatever is wrong fixed. If you miss something and are inspected it could result in citations by the DOT.

A lot of drivers find it to be a pain in the rear but you really need to do it every single time you drive your truck. Don’t listen to the irresponsible driver at the truck stop that tells you it’s okay to skip it. It’s not okay.

How Long Does An Inspection Take?

A pre-trip usually takes about 15-45 minutes to complete. It really depends on the type of truck you are inspecting and your experience.

After several years of driving it’s inevitable that your pre-trip is going to be quicker because you are better at doing it and you know what to look for.

As a new driver you should take your time and make sure you do it right. Make it a habit to always conduct a thorough inspection so that you run into less problems while on the road.

What To Say During The Pre-Trip Test

Knowing what to say is important during the test. There are some specific language the person testing you is going to be listening for. More than likely you already heard these phrases but here is an easy way to remember what to say:

PMS— Properly Mounted, Secure ABC— Abrasions, Bulges, Cuts CBB— Cracked, Bent, Broken

There are some tricks that you can use to make sure you say the right thing, here they are: 1 . If its mounted (almost everything is) use the words, “Properly Mounted, Secure” (PMS) 2. If its rubber use the words, “Abrasions, Bulges, Cuts” (ABC) 3. If it’s metal or another hard surface use the words, “Cracked, Bent, Broken” (CBB) 4. If it has fluid or air going through it or in it remember to say, “Not Leaking”

This language shouldn’t be new to you, hopefully the school that is training you has already taught you this stuff.

What Should You Cover During The Pre-Trip?

The areas that you should cover include the coupling system, light check, in-cab inspection, engine compartment, trailer, and drivers door fuel area. Make sure that you are prepared for all of these.

Also, keep in mind that CDL schools/classes may cover the pre-trip in different orders. It’s okay though, they all cover the same stuff. The order that you practice is probably going to be different from someones in a different school/class.

There is no correct order as long as you memorize everything.

What Will Be Tested On The Actual State Pre-trip Inspection Test?

You will be required to perform a pre-trip for the light check, the in-cab inspection, and the coupling system. These 3 areas you have to complete.

After completing those 3 areas your examiner will have you perform one of the following: the engine compartment, trailer, drivers door fuel door, or the entire vehicle.

You will not know ahead of time which one the examiner will choose. This is why it is crucial that you know all the areas.

What Else You Can Do To Prepare?

Aside from the ways listed above to help you memorize the pre-trip there are some other things you can do.

One thing you can do is try answering some practice tests like these here from Trucking Truth. There are 5 free practice tests you can take.

I really find that these practice tests reinforce what you need to know for the real test. It’s worth your time try them out just to see how you do.

What If You Fail The Pre-Trip?

If you do fail the pre-trip you are able to retake it. Make sure you know why you failed the test, ask the inspector if he/she can specifically tell you what you did wrong.

This is usually never a problem because the inspectors want you to know what you missed so that you can pass the test the next time.

One more thing, don’t be embarrassed because you didn’t pass it on your first try! This happens to a lot of people! You are not the only person that will fail the pre-trip and you won’t be the last.

Study what it is that you missed/did wrong and pass it on your second attempt.

Extra Tips For Passing The Pre-Trip Test

Probably the most common reason people fail the pre-trip is because they are nervous.

The two things that will help you out the most is to always remember that the pre-trip is a verbal contact test.

As you start walking towards the vehicle you should already be looking for any leaks under it, broken marker lights, loose mirror brakes and anything else that seems out of place.

BE VERBAL! Your number one priority is to make sure the examiner knows that you know what you are talking about. The more you talk the greater your chances are to pass the test.

Even if it might seem you are going overboard just keep going. Examiners tend to like when testers are verbal.

http://www.truthabouttrucking.com/fls/Pre_Trip_Inspection.pd

CONTACT! The second most important thing you can do is make contact with the item you are describing.  For example, as you are explaining the radiator brace you need to make sure you point to or put your hand on the brace as well.

Your examiner wants to make sure that you actually know what the item is that you are explaining.

Make sure you are pointing the the correct item though! Don’t describe the radiator brace while pointing to the turbo!

Again, make sure you are VERBAL and CONTACT every single item (correctly) that you are describing.

Now go pass that test! Good luck driver!

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CDL Pre-Trip Inspection Checklist

Studying this Class-A CDL pre-trip inspection checklist is an important part of truck driver training. Before getting your Class-A CDL and finding an entry level truck driving job , most states will require students to pass a DOT (department of transportation) pre-trip inspection test and a general knowledge test .

Each company’s pre-trip inspection varies slightly. Most likely you will have to do the coupling system, light check and in-cab inspections plus one of the remaining three sections.

Pre Trip Inspection Checklist

Download free and print it! Printable Pre Trip Inspection Checklist (PDF)

There are many sections to learn but the test is not as difficult as it may seem. Studying our simplified Class-A pre-trip inspection checklist and taking classes at your local CDL training school will get you prepared.

Engine Compartment

Driver door fuel area, coupling area, light check, in-cab inspection and brake tests, belt driven alternator, belt driven water pump, brake chamber, brake lining, caste nuts and cotter pins, coolant reservoir, gear box and hoses, gear driven air compressor, gear driven power steering pump.

  • General Hoses

Leaf Springs

Power steering fluid reservoir, shock absorber, slack adjuster and push rod, spring hanger, steering column, what to check for:.

When checking the engine compartment, you will always want to make sure the following components are properly mounted and secured. You should also make sure they are not cracked, bent or broken. The items you will need to check for include:

  • Make sure all of the wires are connected. The belt should not be cracked or frayed and the free play on the belt should be between ½ to ¾ of an inch.
  • The free play on the belt should be between ½ to ¾ of an inch. Also check all the hoses running to and from the water pump to make sure nothing is leaking.
  • The brake chamber should not be leaking air.
  • The brake drum should be properly mounted and secure.
  • The brake hose is rubber, so it is important to make sure it is not leaking air.
  • Check for oil or debris on the lining. There should be at least ¼ of an inch of friction material.
  • Make sure all three caste nuts and cotter pins are present.
  • The reservoir should not leaking and must be filled to the manufacturer’s specifications.
  • Make sure the drag link is properly mounted and secure, and not cracked, bent or broken.
  • The gear box and hoses should have no abrasions, bulges or cuts, and should not be leaking.
  • Although the air compressor is hard to see, you must make sure it is properly mounted and does not leak.
  • The steering pump is located in the same place as the air compressor and is also gear driven. Ensure the steering pump is not leaking.

General Hoses (Passenger and Driver’s Side)

  • The hoses should be secure at both ends. There should be no abrasions, bulges or cuts. Fluids run through these hoses, so it is important to make sure they are not leaking.
  • The hub seal (or axle seal) should not be leaking and should be filled to the manufacturer’s specifications.
  • Make sure none of the leaf springs have shifted.
  • Check for leaks under the truck.
  • There should be no lug nuts missing. Look for rust trails, powder residue and cracks around the bolt holes.
  • The oil level should be filled to the manufacturer’s specifications.
  • Make sure the pitman arm is properly mounted and secure. It should be not cracked, bent or broken.
  • Make sure this reservoir is not leaking and filled to the manufacturer’s specifications.
  • The rim cannot have any unauthorized welds.
  • Make sure the shock absorber is not leaking. If it is leaking, the leak will be at the point where the top and bottom portion of the shock meet.
  • With the brakes released and pulled by hand, the push rod should never move more than one inch.
  • The spring hanger should be properly mounted and secure.
  • Make sure the steering column is properly mounted and secure. It should not be cracked, bent or broken.
  • Look for abrasions, bulges or cuts on the tread or sidewalls. Tread depth should have a depth no less than 4/32 of an inch. Tires must be properly filled to the manufacturer’s specifications. This can be checked with an air gauge.
  • Make sure the tie rod is properly mounted and secure, not cracked, bent or broken.
  • Make sure all are accounted for.

Back to top of Engine Compartment

Catwalk and Steps

Door and hinges, drive shaft, exhaust system, frame and cross members, spring mount.

Again it is important to make sure these items are properly mounted and secure. Look for cracks, bends, and breaks.

  • The actual airbag is rubber, so it is important to check for abrasions, bulges, cuts and leaks, in addition to any missing mounting bolts.
  • The axle seal should not be leaking and should be filled to the manufacturer’s specifications.
  • Make sure to mention the brake chamber is not leaking air.
  • Make sure the brake drum is secured properly. Also look for cracks, bends and breaks.
  • Check the brake hose at both ends to make sure it is not leaking air.
  • There should be no oil or debris on the brake lining. There should be at least ¼ of an inch of friction material.
  • The cat walk and steps should be clear of any loose objects.
  • Physically demonstrate that the doors open, close and latch properly. Door seals should not be worn, torn or rotten.
  • The drive shaft should not be twisted and the u-joints should be free of any debris.
  • The tread and sidewalls should have no abrasions, bulges or cuts. The tread depth should be no less than 2/32 of an inch. Tires should be properly filled to the manufacturer’s specifications. This can be checked with an air gauge.
  • The exhaust system should show no signs of leaks.
  • There should be no unauthorized holes or welds. Bundle up the cross members to ensure none are missing.
  • Fuel should not be leaking from the tank and the cap should always be on tight.
  • Rust trails could indicate loose bolts, while powder residue and racks around the bolts could mean the bolts have been over-tightened.
  • Mirrors should be clean for best visibility.
  • Make sure the mud flap is secured properly. Also look for cracks, bends and breaks.
  • Make sure to mention there should be never be any unauthorized welds.
  • The shock absorber should be secure at both ends and not leaking. If it does leak, it will leak in the middle.
  • With the brakes released and pulled by hand, the push rod should not move more than one inch.
  • If you are equipped with duals, check to see there is proper spacing between the tires and there is nothing stuck.
  • The spring arm should be secure at both ends.
  • The spring mount should be secure at both ends.
  • Make sure the torque arm is secured properly. Also look for cracks, bends and breaks.
  • Make sure to check and mention that no U-bolts are missing.

Back to  top of Driver Door Fuel Area

Electric Line

Locking jaws, mounting bolts, release arm, sliding fifth wheel locking pin.

  • Air lines should be secure at both ends with no abrasions, bulges or cuts. They should not be leaking, dragging or tangled.
  • Make sure the apron is properly mounted and secure. Look for cracks, bends and breaks.
  • Make sure there is enough space between the tractor mudflap and the trailer landing gear so that they don’t hit each other when making a turn.
  • The electric line should be secure at both ends. There should be no abrasions, bulges, cuts or exposed wires.
  • The gap is not an actual item, however there should be no space between the apron and the skid plate.
  • The seals should be in good condition with no cracks, signs of rotting, or leaking air.
  • Make sure the king pin is properly mounted and secure. Look for cracks, bends and breaks.
  • You must physically check that the locking jaws is fully locked around the king pin.
  • No mounting bolts should be missing.
  • Make sure the platform is properly mounted and secure. Look for cracks, bends and breaks.
  • The release arm should be in the fully locked position.
  • The skid plate needs to be properly lubed.
  • The pin must be in the fully locked position.

Back to top of Coupling Area

Header Board

Landing gear, rear door and hinges.

  • Shock Absorbers

Tandem Frame and Release

Trailer tire.

  • Again make sure the airbag has no abrasions, bulges, cuts or leakings. The airbag should not be missing any mounting bolts.
  • The brake chamber should be properly mounted so that is does not leak air.
  • The brake hose should be secure at both ends with no abrasions, bulges, cuts or leaks.
  • Check for oil or debris on the brake lining. There should be at least ¼ of an inch of friction material.
  • There cannot be any missing cross members.
  • The header board cannot have any holes or missing rivets.
  • The landing gear must be fully raised and the cradle handle secure.
  • Rust trails indicate loose bolts. Powder residue and cracks around the bolt holes could be an indication of over-tightened bolts.
  • The rims cannot have any unauthorized welds.
  • The rear door should open, close and latch properly. Door seals should not be worn, torn or dry rotten.
  • The shock absorber should be checked at both ends for leaks.
  • When the brakes are released and pulled by hand, the push rod should not move more than one inch.
  • Release handle and locking pins should be in the fully locked position.

There should be no abrasions, bulges or cuts to the tread or sidewalls. Tread depth should be no less than 2/32 of an inch. The tire should be properly filled to manufacturer’s specifications and checked with an air gauge.

  • Front of the truck
  • Both sides of the truck
  • Rear of the truck
  • Both sides of the trailer
  • Rear of the trailer

Back to top of Trailer

The five functions are:

  • Left turn signal
  • Right turn signal
  • Four way flashers
  • High/low beams
  • Brake lights

Back to top of Light Check

  • Airbrake Test

Air Pressure Gauges

Emergency equipment, heater and defroster, lighting indicators, oil pressure gauge, parking brake, service brake check, water temperature gauge, windshield and mirrors, windshield wipers and washers.

The last section is In-Cab Inspection and Brake Tests. For the In-Cab Inspection you will once again want to make sure all of the following components are properly mounted and secure. As well as the following:

Air Brake Test

There are three stages to an air brake test:

  • Applied Pressure Test – When doing the Applied Pressure Test, you will want to build the air pressure to governor cut out. Put the truck in the lowest gear, turn the engine off and immediately turn it back on. Push in the tractor and trailer valves which will then release the parking brakes. Push and hold the brake pedal, allowing the gauges to stabilize. When the gauges have stabilized, announce the Primary and Secondary PSI. Listen for air leaks while doing this.
  • Warning Light and Buzzer – Pump down on the brake pedal until the warning light and buzzer comes on. This is typically at or before 60 PSI.
  • Tractor/Trailer Protection Valve Pop Out – Pump down on the brake pedal until the tractor and trailer protection valves pop out, this will be between 20 and 40 PSI.
  • The air pressure gauges should build to governor cut out.
  • Your truck should have a fire extinguisher, three red reflective triangles and spare electrical fuses.
  • Demonstrate both the heater and defroster are working properly.

Horns (Air Horn and City Horn)

  • Blow both horns to make sure they are working.
  • Check the left turn, right turn, four way flashers and high beams; also point these out on the dashboard.
  • Make sure transmission is in neutral and then fully depress the clutch. Turn the key on, check the ABS light, announce when it comes on and off, and start the engine.
  • The seat belt should not be ripped or frayed and should adjust and latch properly.
  • The engine oil pressure gauge should rise to normal operating range.
  • Trailer Parking Brakes – Set the trailer brake, release the tractor brake, then tug lightly on the trailer.
  • Tractor Parking Brakes – Set the tractor brake, release the trailer brake and tug lightly on the trailer.
  • Release both the tractor and trailer brakes. Drive at idle speed. Apply the service brake to make sure you come to a complete stop and that it doesn’t pull to the left or right when applying the brakes.
  • The voltmeter should be charging between 13 and 14 volts.
  • The water temperature gauge should also rise to normal operating range.
  • The windshield and mirrors must be clean, with no obstructions and in proper adjustment.
  • Demonstrate the wipers and washers are working properly by spraying the windshield.

Back to top of In-Cab Inspection and Brake Tests

During a CDL pre-trip inspection, truckers inspect many aspects of their commercial vehicle, including the overall safety of the vehicle; major hoses, fluid levels, and vehicle belts; the clutch or gear shift; and emergency equipment. The driver demonstrates their knowledge by walking around the vehicle, checking various safety components and explaining why each part should be checked for safety.

Reference and practice tests:

  • Printable Pre Trip Inspection Checklist (PDF)
  • CDL General Knowledge Practice Test
  • Pre Trip Inspection Practice Test
  • CDL HAZMAT Endorsement Practice Test

Edited for 2024 on  12/5/23

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Mastering the CDL Pre-Trip Inspection Exam: A Complete Guide

Learn how to conduct thorough pre-trip inspections with our guide, a critical component for commercial vehicle safety.

cdl pre trip pictures

Written by Andrei Zakhareuski. With over 16 years of expertise, Andrei leads Driving-Tests.org, a top online resource for driver education. His leadership has established vital partnerships with over 2,600 libraries, educational bodies, and state agencies.

The CDL Pre-Trip Inspection Exam is an integral part of obtaining your commercial driver’s license. This guide covers Class A and Class B pre-trip inspections, provides a checklist, and offers tips for memorizing the inspection process.

​ Start a free Pre-Trip Inspection practice test:

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​ CDL Class A Pre-Trip Inspection

Engine Compartment Inspection

Includes checking for leaks, belt tension, and the condition of hoses, among other components.

Cab Check/Engine Start

Involves inspecting the cab’s interior, gauges, and starting the engine to check for abnormalities.

Brake Check

Focuses on air brake systems, including air brake checks and the parking brake test.

​ CDL Class B Pre-Trip Inspection

Vehicle Overview

Begin with a general overview of the vehicle, checking for obvious signs of damage or issues.

External Inspection

Inspect all external components, including tires, lights, and mirrors.

Internal Inspection

Check all internal controls, ensuring everything is functional and within reach.

​ Pre-Trip Inspection Checklist

  • Lights and reflector s: Ensure all are clean and functional.
  • Engine oil and coolant levels : Check for adequate levels.
  • Steering mechanism : Ensure it’s secure and functioning.
  • Horn : Test for functionality.
  • Windshield wipers : Check for operability and condition.
  • Mirror s: Adjust for optimal visibility.
  • Emergency equipment : Ensure presence and accessibility.
  • Air brake system : Test for leaks and proper pressure.

​ Tips for Memorizing the Pre-Trip Inspection for CDL

  • Create a Routine : Develop a consistent order in which to conduct your inspection.
  • Use Mnemonics : Create acronyms or phrases to help remember the steps.
  • Practice Regularly : Hands-on practice is the most effective way to memorize the inspection process.
  • Visual Aids : Use diagrams or checklists as visual reminders.
Pro Tip : Practice the pre-trip inspection in a real-world setting. The more you perform the inspection in a practical environment, the more natural it will become.

Remember, the pre-trip inspection is not just a test requirement – it’s a fundamental safety practice every commercial driver should master. For more resources and detailed guides, visit Driving-Tests.org .

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  • Start a free Pre-Trip Inspection practice test:
  • CDL Class A Pre-Trip Inspection
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  • Tips for Memorizing the Pre-Trip Inspection for CDL

Complete pre-trip inspection checklist for truck drivers

A truck driver completing their pre-trip description.

By The Schneider Guy

Estimated reading time: 4 minutes  

As a truck driver, performing a CDL pre-trip inspection is one of the most common and repeated tasks you will complete. Pre-trip inspections help truck drivers ensure their tractor and trailer are safe to operat e before hitting the road.  

Keep reading to learn what a p re -trip inspection is and what should be on a p re -trip inspection checklist .      

What is a pre-trip inspection?  

A pre-trip inspection includes checking over the tractor and trailer a truck driver will be operating . A pre-trip should be completed before the operation of a vehicle :  

  • At the beginning of a driver’s shift.
  • Any time a new trailer is picked up.
  • After a 10-hour break.

A thorough inspection usually takes anywhere from 30 minutes to one hour and should be logged as on-duty, not driving (line 4) .

How to complete a CDL pre-trip inspection  

CDL pre-trip inspection checklist   

1. passenger-side engine:   .

  • Air filter housing: Secure mounting, cover in place.
  • Windshield washer fluid reservoir: No leaks, proper fluid level.
  • Turbocharger: No oil or exhaust leaks.
  • Engine air ductwork: No cuts, clamps secured.
  • Alternator: Mounting secured, no broken or loose wire.
  • Accessory drive belt: Not cracked or frayed.
  • Air conditioner compressor: Secure m ounting .

2. Front brakes (covers all five brake components):   

  • Brake drum: No cracks.
  • Brake lining: No cracks or damage.
  • Slack adjuster: Proper angle to the brake chamber, clevis and cotter pin intact.
  • Brake air line: No bulges or cuts, fitting tight .
  • Brake chamber: Mounting bolts secured, band clamp secured.

3. Front wheel:   

  • Tire: ABCs (abrasions, bulges, cuts), pressure = 120 PSI, tread depth = 4/32 min ( DOT ) .
  • Wheel: Not cracked or bent.
  • Hub oil: Not leaking, at proper level – if it’s a sealed unit, can’t check level.
  • Oil seal (outer): Not leaking.
  • Valve cap: Not missing.
  • Lug nuts: None missing, no streaks or shiny areas, none loose.

4. Driver side of engine:   

  • Radiator brace: No cracks or missing bolts.
  • Radiator: Not leaking, secure mounting.
  • Water pump: No cracks, not loose or leaking.
  • Fuel water separator/filter: Not leaking, secure mounting.
  • Pitman arm/drag link: Not cracked, castle nut secured with cotter pin.
  • Steering gear box: Secure to frame, not leaking.
  • Power steering reservoir: Secure mounting , no leaks, proper level.
  • Dipstick: Right level, secured after check.
  • Steering shaft: Secure, not loose or damaged.
  • Fuel pump: No cracks, not loose or damaged.
  • Oil filler cap: Secure, no cracks.
  • Engine coolant reservoir: No leaks, proper fluid level.

5. Steer axle suspension:   

  • U-bolts: No cracks, no loose or missing nuts.
  • Leak spring: No cracks, not loose or shifting.
  • Tie rod: Secured with castle nuts and cotter pins.
  • Shock absorber: Secure mounting, not leaking oil.
  • Axle: Not cracked.

6. Rear suspension:   

  • Spring mount: No cracks, secure mounting.
  • Tire: ABCs (abrasions, bulges, cuts), pressure = 110 PSI, tread depth = 2/32 min ( DOT ) .
  • Airbag (bellows): Fully inflated, secure mounting, not ruptured.

7. Side of cab:   

  • Mirrors: Secure m ounting , no broken glass.
  • Doors: No damage, glass not broken, hinges secured, opens and closes well.
  • Lights and turn signals: Working, not cracked.
  • Steps: Mounted, secured to skirting.
  • Battery box: Secure m ounting , cover latched.
  • DEF cap: Cap secured.
  • Fuel cap/tank: Gasket in place, vent in place, chain secures the cap to the tank.
  • Side skirting: No damage, panels secure.
  • Side box: Secured, safety triangles present.
  • Side of sleeper berth: No body damage.
  • Sleeper berth window: No cracks.

8. Rear of cab:   

  • Electrical cord: No bare wire, no corrosion, check the plug at the end of the cord.
  • Air line: Not tangled or worn, rubber grommets not worn, fittings tight.
  • Cab shock absorber: Secure mounting, not leaking oil.
  • Cab airbag (bellows): Not ruptured, securely mounted.

9. Driveshaft/rear frame:   

  • Driveshaft: Not cracked.
  • Universal joint: Not cracked, not missing bolts, no shiny areas.
  • Differential: Not leaking oil.
  • Frame: Straight, no non-factory welds.

10. Fifth wheel area:   

  • Pivot pin: Keeper pin and cotter key intact.
  • Slider lock pins: Fully engaged.
  • Release arm: Not bent.
  • Slider rail: No broken welds or missing bolts.
  • Slider stop blocks: Welds not broken, not missing bolts.
  • 5th wheel platform: Well-greased, tilted down.

11. Front of trailer:   

  • Top rail: No cracks or collision damage.
  • Clearance lights: Not broken, working properly.
  • Registration: Not missing, readable.
  • Document box: Not missing or loose.
  • Air line /glad hands: No bulges or cuts in air lines, rubber grommets not damaged on glad hands.
  • Electric hook up: No broken pins, cover intact.
  • PM sticker: Current, legible.
  • Height sticker: Legible, legal for route.
  • Placard holder: Not broken or missing rivets.
  • Tracking device: No cracks or collision damage.

12. Side of trailer:   

  • Top rail: Not cracked, no collision damage.
  • Clearance light: Not broken, operational.
  • Bottom light: Not cracked, no collision damage, no missing bolts.
  • Landing gear: Legs straight, no broken welds in bracing, sand pads secured and clean handle in cradle.
  • Reflector tape: Clean.
  • Side panels: No holes or cuts, no missing rivets.

13. Rear of trailer:   

  • Latches: Secured, not damaged.
  • Lights: Not broken or missing, operational.
  • Splash guard: Brackets and guard secured.
  • License plate: Secure and clean, light is working.
  • Bumper: Not damaged, no broken welds.
  • Door hooks: Not loose, no missing bolts.
  • Hinges: Not cracked, no missing bolts on both sides.
  • Door seals: No separation, no rubber tubing sticking out.

14. Trailer suspension:   

  • Air line: No bulges or cuts, fittings are tight and not rubbing.
  • Axle: Not bent or broken.
  • Clevis pin/cotter key: Not missing.
  • Slack adjuster: Proper angle, clevis pin and cotter pin intact.
  • Brake linings: Minimum of ¼ inch thick, not cracked.
  • Brake drum: Not cracked.
  • Tire: (ABCs), tread depth = 2/32 , air pressure = 110 PSI.
  • Spring: Not broken, not shifted.
  • Spring mount: No broken welds.
  • U bolts: Not loose, not cracked.
  • Torque rod: Secure mounting, bushings intact.
  • Spring brake chamber: Secure m ounting , band clamp secure.

15. Gauges/inside the truck:   

  • Fuel: Matches visual when looking in the tank.
  • Def level: Maintain a minimum of one light bar.
  • Oil pressure: 25-50 PSI.
  • Speedometer: 0-60 MPH.
  • Air pressure: 90-120 PSI.

Please note that the list above is just an example. It is important to remember the type of driver you are, the company you work for and the type of truck you drive can impact your CDL pre-trip inspection . Be sure to consult your company guidelines or speak with your leader for more information on your post-trip inspection requirements.  

Get more great driving tips and guides.

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The Pre-Trip Inspection: A Practical Guide For the Truck Driver

Updated February 24th, 2022

Lady trucker fixing big rig

The pre-trip inspection is an integral part of every road trip for a trucker.

It’s probably the most disliked and most often overlooked part of the job of the professional truck driver in the trucking industry.

This inspection is meant to be a thorough check of the truck, trailer and load.

The check is to ensure that everything is in correct working order, prior to the truck and driver, departing on a trip.

Any damage or issues found during the pre-trip inspection which needs attention, must be addressed before departure.

CDL Test Pre-Trip Inspection

 If you just came through the process of getting your CDL, you can breathe a sigh of relief.

You don’t have to check all 500 or so items that you had to memorize for the test every single day.

Out on the road, a thorough pre trip shouldn’t take more than 10 to 15 minutes.

cdl pre trip pictures

DVIRs – Daily Vehicle Inspection Report

According to federal law ( FMCSR Section 396.11 ), every day, a driver must submit a Daily Vehicle Inspection Report (DVIR) for each power unit he operates. Multiple trailers can go in one report.

DVIRs are either paper or electronic.

Not every trucking company (ahem) enforces this policy, so some truck drivers can go months or years without submitting a DVIR.

Minimum DOT Pre-Trip Inspection Requirements

  • Service brakes including trailer brake connections
  • Parking brake
  • Steering mechanism
  • Lighting devices and reflectors
  • Windshield wipers
  • Rear vision mirrors
  • Coupling devices
  • Wheels and rims
  • Emergency equipment

Your trucking company’s DVIR might be more thorough.

This is a thorough Q&A on DVIRs which you can refer to.

2004 Peterbilt 379 Custom Rig Blue

Inspecting a New Truck

When you are assigned a new truck (either daily or just once), there are a few additional things you need to check for on the pre-trip inspection.

Truck Compliance

  • Cab card and book – This is a book containing the registration, inspection, permits, cab cards, IFTA paperwork, and any other important papers for the truck. Make sure it is in the truck and all the paperwork is up to date.
  • Inspection sticker – This is outside the truck. Find it and make sure the truck is not overdue.
  • IFTA stickers – These are the fuel tax compliance stickers. They are on both sides of the truck. Make sure the current year is displayed.
  • Elog device – Most trucks are required to have a working elog device.
  • Required permits – These are in the cab card book. The most common permits are Heavy Motor Vehicle Trip Permit (Oregon) and the Weight Distance Tax Permit (New Mexico).
  • New York HUT sticker – This is usually on the front of your truck. It’s a type of permit.
  • License plate – Make sure the license plates on the front and back of the truck match.
  • FMCSA Safety Regulations and Hazardous Materials book – These will be given to you by your company. They must stay in your truck within arms reach from the driver’s seat.
  • Paper logbook – If your e-log stops working, you must log your hours in a paper logbook, which must be kept in your truck.
  • Medical card – You must keep your current medical card in your truck. Always have your CDL on you as well.
  • Orange triangles – You must have 3 triangles for when you break down.
  • Fire extinguisher – Must be charged and secured to the truck. No rolling around on the floor.
  • Extra fuses – If your truck doesn’t use circuit breakers, you must have spare fuses.
  • Load bars and/or straps
  • Extra oil, coolant, and windshield washer fluid
  • Line antifreeze and diesel anti-gel
  • Chains and bungees
  • Gladhand seals
  • Hammer, wrench, wire cutters, cable cutters, knife with glass-breaker

The Class A Pre-Trip Inspection Process

Unless I have to bobtail to pick up my trailer, I inspect my truck and trailer together.

The best way to memorize a thorough pre trip is to do it the same way each time.

Your process will look different from mine, but as long as you are consistent, you will be less likely to miss anything.

I do the inspection first thing each morning as well as every time I swap trailers.

Paperwork and Trailer

  • Check the paperwork. It should be the first thing checked when you get to your truck.
  • Match the trailer number to your paperwork. If your trailer has a seal, make sure it matches too.
  • Unsealed trailer. If your trailer does not have a seal, open it and confirm the product matches the bills. If you are picking up an empty trailer, open it and make sure it’s actually empty.
  • Confirm your destination. Ensure the destination is the same as on your trip sheet or load assignment. If there is a discrepancy, call your dispatcher.

Truck driver leaning on big rig truck

I personally like to start with checking under the hood of the rig. Not everyone does, but I do.

Under the Hood of the Truck

I walk around the front of the truck, making sure all the lights work. Then I open the hood.

Trucker Fixing Caterpillar Diesel Engine

  • Fluid levels – Check all fluids: coolant, oil, power steering fluid, and windshield washer fluid. Make sure caps are tight for the rad, oil filler, power steering fluid and the dip-stick is seated properly.
  • Alternator, water pump, power steering pump –Make sure these are in good working order, and the belts are not worn or have too much slack.
  • Observe at the engine block.  Check for leaks, fluid running down the side of the engine. Check for wear, cracking or fraying. Inspect fan belts for proper tension and signs of wear.
  • Hoses – Check all hoses for leaks, cracks, and tears.
  • Wiring – Check wiring for wear.
  • Steering linkage – Check linkage for worn or missing parts.
  • Tires – Tires should be properly inflated and have decent tread. If there are flat spots on the tire, it needs to be replaced.
  • Hub seal – Make sure it’s not leaking and wiped with oil if transparent.
  • Brakes – Brake chambers should not be out of round and should be free of grease. Shoes should not be worn down too much.
  • Slack adjusters – Pull slack adjuster. If it travels more than an inch, it needs to be adjusted.
  • Suspension – Shocks should be in good condition, and not covered in grease or oil.

Back of the Truck

Next, I check the back of my truck because it’s easier to check this before hooking to a trailer.

  • Tires – Tires should be properly inflated and have decent tread. If the tires have flat spots, the tire needs to be replaced.
  • Suspension – Shocks and airbags should be in good condition, and not covered in grease or oil.
  • Drive shaft – Driveshaft should be undamaged and free of grease. Make sure there is no debris in the u-joints.
  • Frame – The frame should not have any welds and not cracked or significantly rusted.
  • Fifth wheel – The fifth wheel should be properly greased and not broken.
  • Fuel tanks – Fuel tanks should not be leaking.
  • Stairs and catwalk – Stairs and catwalk should be free of debris and not broken.

Tractor Trailer Tires

Tires should be checked with a tire gauge.

Tip . This is especially if you are slip seating. Tire thumpers aren’t very accurate. If you use a tire thumper, still check with a tire gauge from time to time.

Drives and tandems should be inflated to 100-110 psi and have a minimum tread or 2/32in. Steer tires should be inflated to 110-120 psi and have a minimum tread of 4/32in.

Tires under 50 psi should be replaced, as they can’t retain enough air pressure.

Flat spots can occur from dragging tandems in the winter or when trying to slide the tandems. Tires with flat spots should be replaced.

Check tires for damage, nails, and punctures.

Truck Driver and Dashboard of Big Rig

Next, I jump in my cab and start my truck.

  • Gauges – Make sure air, oil, and water temperature gauges rise to normal levels.
  • Mirrors – Adjust mirrors before moving your truck.
  • Windshield wipers – Make sure they work and sit flat against the windshield.
  • Horn – Make sure the city and air horns both work.
  • Heat and A/C – Check to see if heat and/or air conditioning is working.
  • Seat belt – Seat belt should not be frayed and should move freely.

Coupling and Air Lines

This is what could happen if you don’t do the tug test.

The pre-trip inspection is a pretty important thing to do.

Learn your pre-trip procedure and do it when required.

cdl pre trip pictures

This is why you should always do a tug test when picking up a trailer. The passenger side of the front of the trailer is resting on the frame of the truck and NOT hooked up to the 5th wheel.

cdl pre trip pictures

The front left corner of the trailer is supported by retracted landing gear only. (Not good!)

The truck driver in this photo (hopefully) learned how critical a pre-trip is. Don’t end up in a pickle like this guy.

Next, I hook up to my trailer.

  • Tug test – I back under my trailer until I hear a click, and then immediately do a tug test.

A tug test tests both your coupling and your brakes. If you pull away from your trailer, you aren’t hooked properly.

If you pull your trailer with you, your trailer brakes are out of adjustment. Be absolutely sure to write it up and have it corrected before departure.

  • 4 Ways + Headlights. I also turn on my four-way flashers and headlights.
  • Airlines and pigtails – Next, hook up airlines and pigtails (electrical connection). Inspect to make sure they aren’t leaking or ripped.
  • Visual check of Fifth wheel – Look at the fifth wheel arm under the trailer to make sure it is coupled. The arm should be in.
  • Landing gear – Raise the landing gear and check for damage.

Truck Driver fueling his truck with diesel fuel

Next, I check the bulkhead (front of the trailer).

  • Wall – Make sure the wall is not damaged.
  • Inspection sticker – Check the DOT inspection sticker to make sure it’s not out of date.
  • Registration paperwork – Check the front trailer box to make sure the registration is good.
  • Reefer unit – If you are pulling a reefer, select the pre trip function on the unit and run it. It should be completed by the time you are finished your pre trip inspection.

Next step for the pre-trip inspection is to check the side of the trailer and the tandems.

  • Lights – Lights should be on and flashing.
  • Suspension – springs or airbags should be in good condition, and not covered in oil or grease.
  • Tandem pins – Tandem pins should be locked in position, and slider arm should be in its cradle.
  • Cables – Make sure the tandem cables aren’t dragging on the ground.
  • Underbelly – Make sure there are no damaged beams under the trailer. Check the entire length.
  • Mudflaps – Mud flaps should not be torn and hanging.

Back of Trailer

Next, I check the back of the trailer.

  • Doors – Doors and hinges should not be damaged.
  • Door latches – Doors should be closed and secured.
  • Seal – Seal should be intact and match paperwork.
  • DOT bumper – DOT bumper should not be damaged
  • License plate – Check for the license plate. They tend to wear out and fall off.

Passenger Side

Next, I check the passenger side.

  • Brakes – Brake chambers should not be out of round and should be free of grease.
  • Suspension – Springs or airbags should be in good condition, and not covered in grease or oil.
  • Mudflaps – Mud flaps should not be torn.

Ready to Roll

CDL Truck Driver on CB Radio

Finally, I jump in my truck and double check my paperwork and destination.

I release my air brakes, roll forward, and push the service brake.

If everything is good, I’m ready to roll.

Post-Trip Inspection

When I’m done for the day, and every time I swap trailers, I do a post-trip inspection. If I am swapping trailers, I do a pre-trip on the new trailer as well.

A post-trip includes:

  • lowering the landing gear
  • removing the airlines
  • uncoupling, and walking around the trailer checking tires, lights, seal, and mudflaps

Then I finish my paperwork and go home.

Slip Seating

If you slip seat (meaning you are in a different truck each shift), your pre- trip check should be more thorough than if you are permanently assigned a truck.

This also applies to the first inspection after being assigned a truck.

Please be courteous and write up any problems or issues found, so the next driver of the vehicle doesn’t have to deal with it.

Side Note: Clean out your truck and throw away any trash. Common courtesy goes a long way in trucking, between drivers.

Pre-Trip Inspection F.A.Q.

Most breakdowns can be avoided with proper preventative measures, such as daily inspections.

Thorough inspections should be done at the start of each shift. Inspections of trailers should be done every time you swap trailers.

Each driver should do a thorough pre-trip every time they swap drivers.

It should take about 10-15 minutes to perform a pre trip inspection.

The DOT. Make sure you stay in compliance so you don’t end up with hefty fines and an out of service.

The best way to memorize your pre trip inspection routine, is to do it the same way every time. That way you’re less likely to miss something. If you have questions, ask your safety team at your company.

Fluids in the engine, engine hoses and wires, brakes and suspension, mudflaps, trailer registration and inspection paperwork, and license plates.

A Few Trip Planning Tips

Trucker's Road Atlas

  • Buy and learn to read a trucker’s atlas. It’s useful to plan routes and avoid restricted roads. I find this road atlas a necessity as a professional truck driver.
  • Buy a decent trucking GPS , but don’t rely on it 100%. Use common sense.
  • Don’t use the GPS in your elog device. It will put you in a lake.

Please note that minimum requirements for the inspection are established by the FMCSA.

But these may vary by state, trucking company, truck type, and trailer type.

It is your duty as a professional truck driver to perform a thorough pre-trip inspection before each trip and before you drive.

You’ll save yourself from headaches, fines and unnecessary accidents.

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Class A CDL Pre-Trip Inspection Checklist & Guide

CDL pre-trip inspection

Before heading out on a route, it’s extremely important that you inspect your truck. This is not only a requirement but also essential in keeping you and others safe on the road. If you’re in the process of studying for your CDL exam, you’re probably trying to figure out how to remember all the pre-trip inspection items and wondering how you’ll check all those items before every trip. Fear not! While memorizing these inspection items is necessary for the test, your pre-trip inspection will likely be a little bit shorter on a daily basis.

Not sure what is essential to look at during your CDL pre-trip inspection ? Check out our CDL pre-trip inspection checklist below for a concise list of the main items you’ll need to look at before every trip. This list is not exhaustive though, so be sure to add anything that may be specific to your truck.

CDL Pre-Trip Inspection List

While the DOT isn’t explicit with which items drivers are required to inspect during their pre-trip inspection, it is important to take a look at the following items:

  • Service brakes, including trailer brake connections
  • Parking (hand) brake
  • Steering mechanism
  • Lighting devices and reflectors
  • Windshield wipers
  • Rear-vision mirrors
  • Coupling devices
  • Wheels and rims
  • Emergency equipment

Your company may have additional requirements, but the items listed above are all necessary to include in your daily vehicle inspection report (DVIR). Your DVIR should be completed post-trip, but it’s beneficial to review all list items prior to setting off on your trip as well.

When completing a Class A CDL pre-trip inspection , here is a more detailed list of items that you should check. Again, it’s important to note that these are not the only items you should be checking – this is just a good starting point.

Under the Hood

  • Fluid Levels (including oil, coolant, and windshield washer fluid)
  • Fluid Leaks
  • Damage to Hoses and Belts
  • Damage to Wiring
  • Steering Shaft
  • Air Compressor

Side of Cab

  • Lights and Turn Signals
  • Fuel Cap and Tank

Rear of Cab

  • Electrical Cord
  • Drive Shaft
  • Pivot Pin and Slider Lock Pins
  • 5th Wheel Platform
  • Release Arm

Front of Trailer

  • Inspection Sticker
  • Registration
  • Clearance Lights
  • Height Sticker
  • Header Board

Side of Trailer

  • Clearance and Bottom Lights
  • Landing Gear

Back of Trailer

  • Doors (including hinges, latches, and seals)
  • License Plate

As time goes on, you’ll become more and more comfortable with completing a pre-trip inspection. Don’t let yourself get too comfortable though. These inspections are extremely important and require the utmost care and attention. If you don’t complete a thorough inspection, you’re putting yourself and others at risk, so treat each inspection with the same attention to detail.

If you want to learn more about conducting a pre-trip inspection and what you should be looking for when inspecting each of the items above, our CDL training covers everything you need to know. Get started on your CDL training today!

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How To Study For the CDL Pre-Trip Inspection

As a professional truck driver, there are crucial tasks to complete to be safe and stay compliant. One of the most important tasks is a CDL pre-trip inspection. Not only does this keep you and everyone else on the road safer, but it is required to remain compliant with FMCSA rules and regulations.

The nation has deemed truck drivers essential, and the industry needs new drivers more than ever. Roadmaster can help you start a new high paying career in about a month. And as a professional truck driver, there are crucial tasks to complete to be safe and stay compliant. These are the very things you’ll find when studying and testing.

One of the most important tasks is a CDL pre-trip inspection. Not only does this keep you and everyone else on the road safer, but it is required to remain compliant with FMCSA rules and regulations . It also keeps you in-the-know about how your truck is performing and if there are any issues that need to be addressed.

Here is a guide on how to study for a CDL pre-trip inspection.

What Is a CDL Pre-Trip Inspection?

The definition of a pre-trip inspection is self-explanatory – it is a complete assessment of the trailer, truck, and cargo before each trip. The DOT has a pre-trip inspection list and the guidelines dictate to follow their list. Rules dictate to document everything using a DVIR or driver vehicle inspection report according to federal law FMCSR Section 396.11.

A professional truck driver must have any problems found with the truck and trailer addressed before leaving. This includes things like damage or other issues affecting the trip. The inspection process should be thorough and doesn’t take long – around 15 minutes or so. During this time, the driver must report as on duty,  not driving.

This is one important aspect to learn in becoming a driver, so studying it is crucial.

Why Is It Important?

Your safety and the safety of others.

Any kind of issue with your truck can cause safety concerns. From damaged brakes to an unsecured load – these are the very things you are looking for with the inspection. It keeps you on your toes and ensures you know that every trip is the safest possible. This also has the added benefit of keeping you on the road more. You’ll avoid violations that ground you till it’s fixed. And you can better avoid an accident because of a fixable issue.

By learning this information and studying it, you’ll have the knowledge you need to prepare for the exam.

It’s the Law

It is your responsibility as a professional truck driver to ensure your truck is safe and road-ready. This means not only is it safe to operate, but it is free of issues that cause accidents. This has other benefits too. By catching any problems yourself, you are less likely to get a violation.

It Saves Extra Costs

With any situation, catching a problem before it’s a bigger problem is ideal. Instead of finding out you have a major repair, you might be able to find it while it’s still easily fixable. Plus, you have time to take it to a shop rather than a roadside service that costs more and is less convenient. And let’s not forget about how expensive towing is.

Steps in Studying for a CDL Pre-Trip Inspection

Now that you know how important a CDL pre-trip inspection is to your livelihood, here are the steps in conducting one. We showcase these steps to help you study for what the exam requires.

Under the Hood

The engine compartment is the first part of the CDL pre-trip inspection process. This is before you start the truck and the inspections include:

  • Make sure kingpins, ball joints, and shocks look good and have lubrication
  • Check fluid levels including windshield washer fluid, coolant, and oil
  • Look at steering axle tires for uneven wear
  • Look for fluid drips or leaks in and around the engine
  • Secure the dipstick and tighten any loose caps
  • Look for wear or damage to belts and hoses
  • Check the blade and fan belt for cracks, nicks, or any other damage
  • Check wiring for damage like frays or misplacement
  • Air conditioner compressor mounting secure
  • Ensure engine air ductwork has secure clamps and no cuts
  • No exhaust leaks or oil in the turbocharger
  • Check fuel water separator, radiator brace, water pump, pitman arm, oil filler cap
  • Inspect engine coolant reservoir, steering shaft, and brake master cylinder

If you find anything wrong, notate it in the DVIR. Notate important information and use photographs. The truck cannot leave until you appropriately fix these issues.

Take a Walk Around

Do an external inspection next. This is where you walk around your truck checking for problems. These include:

  • Check all tires for proper pressure, damage, and wear and tear
  • Check valve cap, outer oil seal, lug nuts, and hub oil
  • Look for proper positioning in brake pads and that they are in good shape
  • Inspect brake drum, lining, inner oil seal, slack adjuster, brake line, and chamber
  • Inspect airlines and the electrical cord for proper connection
  • Inspect the landing gear to ensure the legs are up and secured
  • Ensure the 5th wheel is securely coupled to the trailer
  • Look for mirror damage such as nicks and cracks
  • Ensure doors close properly with secure hinges

Start Your Engine

Before leaving your location, you must ensure the engine is mechanically sound. These key components of the last inspection are:

  • With the clutch depressed and the truck in neutral, start the engine
  • As you ease off the clutch, idle the truck at 650rpm
  • Check your gauges to ensure everything is as it should be
  • Turn on your flashers and lights and step out to make sure they are all working
  • Look under the hood for leaks and secure belts
  • Make sure all lights are working properly

After this inspection, notate any anomalies in the DVIR. This includes things like repairs or part replacements.

The Last Steps

The last step involves moving your truck. Make sure there is nothing in the way or anything that causes a safety hazard.

  • Drive forward a few feet and use the trailer brake, making sure the trailer is coupled and the brake works right
  • Pull forward a few feet more, using the foot brake to stop

Look for anything not up to par and report it. This is one of the most repetitive tasks you’ll do and the most common. And therefore, it is on the test. You also need to know when to do these steps:

  • Each start of the day
  • After 10 hour breaks
  • Every 24 hours
  • When you pick up a new trailer

Ready To Learn More?

These are steps to learn that are on the test. Study these components of the CDL pre-trip inspection so it prepares you to ace the exam.

Once you have your Class A CDL license you are ready to apply for entry-level truck driver jobs. If you attend a truck driving school like Roadmaster, a career services associate will help you apply for your first job. And they’ll assist you in getting your new career started.

During the first few days of school, Placement Associates work with you to choose which company best fits your needs. They will review your job applications and help you submit them to potential employers. The placement staff will follow up with potential employers and notify you of employment offer letters.

Tuition reimbursement could cover up to 100 percent of the cost of school! We offer in-house financing to those who qualify to help cover the cost of tuition. Trucking carriers that recruit from Roadmaster offer up to 100 percent tuition reimbursement .

If you are ready to get your career started as a professional truck driver, contact Roadmaster by filling out the application form or calling us at 1-800-831-1300.

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Pre-Trip Inspection Study Guide

The Class A pre-trip inspection is an essential element of getting your CDL . This handy study guide will give you a head start on training. Follow our tips to make sure you ace your CDL exam with flying colors!

This Pre-Trip Inspection Study Guide includes:

1.         What is a Pre-Trip Inspection?

2.         What to expect at the Pre-Trip Inspection Test?

3.         List of truck parts to be inspected

4.         Tips to Pass a Pre-Trip Inspection Test

What is a Pre-Trip Inspection?

A pre-trip inspection is a comprehensive checkup of your truck to ensure that everything is in working order before you get on the road. Utilizing a pre-trip inspection checklist helps ensure the safety of your vehicle and resolve any concerns or possible issues before you hit the road.A standard Class A CDL pre-trip inspection involves checking fluid levels, leaks, tires, fifth wheel, brakes, clutch, shock absorbers, and other components. After you’ve checked your truck, document your findings on a DVIR (Driver Vehicle Inspection Report). Any issues found must be addressed before departing. A thorough vehicle pre-trip is required by law and takes approximately 15 minutes.

The Pre-Trip Vehicle Inspection Test

You need to complete a pre-trip inspection test to pass your CDL exam. The pre-trip is often viewed as one of the most challenging aspects of getting a CDL. However, like anything, practice makes perfect. You will have up to 50 minutes to complete a pre-trip vehicle inspection for the state examiner. During the exam, you should identify each part and tell the examiner what you are looking for or inspecting. Below is an outline of each section of the pre-trip. Within each area, there are multiple parts you must identify. Once in school , you will receive a detailed pre-trip inspection checklist. You’ll have adequate time during training to get familiar with the process. Below is an outline of the different parts of a pre-trip

Parts Included in a Pre-Trip

Your pre-trip begins as you approach the vehicle. You’ll begin inspecting the front of the vehicle from top to bottom. Next, you’ll check the engine, opening the hood from the passenger’s side. Your inspection will continue from front to back of the tractor and trailer, inspecting all parts listed below. 

1.         Approach (front of the tractor)

2.         Engine

3.         Steering System

4.         Steer Axle Suspension

5.         Steer Axle Brakes

6.         Steer Axle Wheels & Tires

7.         Side of Tractor

8.         Drive Axle Suspension

9.         Drive Axle Brakes

10.       Drive Axle Wheels & Tires

11.       Coupling

12.       Trailer Side

13.       Tandem Axle Suspension

14.       Tandem Axle Brakes

15.       Tandem Axle Wheels & Tires

16.       Trailer Rear

Tips on How to Pass the Pre-Trip Inspection Test

Now that you know what a pre-trip inspection is, it’s time to start practicing. Below are several tips to help you remember.

Four-Step Process

Apply this four-step process for each part inspected. 

1. Name the Part

2. Securement 

3. Condition 

4. Special/specific items for that part (If applicable) 

1. Alternator

2. Securely mounted, no missing hardware

3. Not bent, broken, or damaged

4. No exposed wires, belt-driven

Pre-Trip Inspection Phrasing

During a CDL Pre-Trip Inspection test, it is not only what you say but how you say it. Use precise language to identify each part. We’ve outlined the phrasing we recommend and teach to our students.

Metal Items:

Securely mounted

Not missing any hardware

Not cracked, bent, or broken

No illegal welds or drill holes

Properly greased, no foreign debris

No signs of leaks

Glass and Lights:

Not cracked or broken

Clean and clear of dirt of illegal stickers

Proper color (Lights)

Hoses/Air Lines:

Securely mounted on both ends

No abrasions, budges, or cuts

No missing hardware

No signs or leads

Not cut, worn, torn, or frayed, and no exposed wires

No corrosion

Belts/Rubber:

Not cut, cracked, worn, frayed, or dry rotten

(Belts) not more than ¾ inch of play when pushed

Use Acronyms

Acronyms use the first letter of a group of words to form a different word that is easy to remember. This technique is useful when remembering words or items in a specific order. One helpful acronym our students use to remember parts of the in-cab inspection is Honestly We Safely Get Licensed Professional Men Women Hired Every day. 

Honestly = Horns 

We = Windshield/Windshield Wipers 

Safely = Steering Play 

Get = Gauges 

Licensed = Lights 

Professional = Pedals 

Men = Mirrors 

Women = Windows 

Hired = Heater/Defroster 

Everyday = Emergency Equipment 

Tips for Remembering a Pre-Trip Inspection

There are several apps and videos available to help you practice a pre-trip. However, nothing beats walking around a truck and trailer. You will have plenty of time to practice with equipment during training. The comprehensive checklist provided during CDL training will be your guide. Many students find it helpful to video themselves doing a pre-trip to watch it and identify areas for improvement.

Utilize these tips and plenty of practice to master the pre-trip. Our experienced instructors will be there to help you every step of the way.

Have more questions about CDL Training?

Get all of your questions about being a truck driver and getting your CDL on our  blog . If you are ready to get your CDL, please fill out the form below and a career specialist will reach out with more information about  CDL training ,  tuition  and  job placement .

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CDL Pre Trip Inspection: Step by Step Guidelines

CDL Pre Trip Inspection: Step by Step Guidelines

What is a Pre-Trip Inspection?

A pre-trip inspection is a thorough checkup of your truck to keep public safety and ensure there is no malfunction before starting your journey. A common pre-trip inspection process involves inspecting fluid levels, leaks, tires, brakes, clutch, shock absorbers, fifth wheel, and many other components. After finishing your pre-trip inspection, file your work on a DVIR (Driver Vehicle Inspection Report). Any issues detected must be addressed before departing. A thorough vehicle pre-trip is required by law and takes approximately 30 minutes.

The Pre-Trip Vehicle Inspection Test

To obtain your CDL exam, you need to complete a pre-trip inspection test. You will have no more than 50 minutes to complete a pre-trip vehicle inspection for the state examiner. During the exam, you should identify each part and tell the examiner what you are looking for or inspecting. Within each area, there are multiple parts you must identify. 

CDL Pre-trip inspection guide (Step by step)

Follow this four-step process for each part inspected:

CDL Pre-trip Inspection Guide

After finishing the four-step pre-trip inspection process for each engine part, you can fill in your results in the Pre-trip Inspection Form . 

CDL pre-trip inspection checklist

Below is a detailed CDL pre-trip inspection checklist of the different parts of a pre-trip.

Front of tractor

Your pre-trip examination begins at the front of your tractor. Make sure that the reflectors, lenses, and lighting fixtures are clean, undamaged, and properly maintained. Make sure they are reflective and functional. The headlights ought to receive the same attention. It is crucial to have a good line of sight in front of your truck when it comes to safe driving.

Engine Compartment

You specifically check the mounting and operation of your turbocharger, air cleaner, oil level, hoses, pumps, brakes, shock absorbers, brake calipers, brake pads, tires and rims, air pressure, and seals on the passenger's side of your vehicle.

Coupling area

The coupling area in Class A vehicles involves 3 main parts

  • Fifth Wheel Type: Mounting Softs, Platform, 5' Wheel Skid Plate, Release Arm, Kingpin, Apron, Sliding 5" Wheel Locking Pins.
  • Pintle Hook/BaII Hitch Types : Mounting Bolts/wields, Pintle Hook/Ball, Safety Latch/Locking Device, Safety Chain/Cables, Eye/Coupler, Drawbar/Tongue.
  • Tow Truck - Underlift Type: Underlift Reach, Pivot Pin, Crossbar, Receiver Retaining & Safety Pins, Tie-Down Chains or Straps, Safety Chains.'Cables.

Driver door fuel system

  • When it comes to airbags, you must look for cuts, abrasions, leaks, bulges, and missing bolts. 
  • The axle seal must be filled and should not leak in accordance with specifications.
  • Ensure that neither the brake hose nor the brake chamber is leaking air.
  • The catwalk and steps need to be mounted and free of any loose objects for the truck driver's safety.

Side of truck

The trailer should basically stay the same as when it was initially loaded and attached to the tractor. But before you leave, make sure that everything is in working order. The landing assembly, handles, frame & cross members, tandem release, lights, and reflective tape should all be functional. Verify the trailer for body dents or rusty areas.

Rear of truck

The rear of the trailer is rather simple to inspect. Make sure your license plate is affixed and clearly visible, and check all the reflectors and lights. Confirm that the doors are shut and secured. Ensure the brake lights are in working order.

In-cab Inspection

Here is the list of parts included in the in-cab inspection process:

  • Safety Belt
  • Lighting indicators
  • Oil Pressure Indicator
  • Air Pressure Gauge
  • Ammeter/voltmeter
  • Wipers and Washers
  • Heater/Defroster
  • Safety/Emergency Equipment

Brake Check

Here are the checklists for inspecting your braking system

  • Hydraulic Brake Check/Air Brake Checks (depending on your truck)
  • Breakaway Module
  • Parking Brake
  • Service Brakes

If your truck uses air brakes, it is important to note that the air pressure must be greater than 100 psi to 120 psi to verify the air brake. Pump brakes, 60 psi warning lights, and pump brakes, 40 psi - 20 psi valves pop. Press pedals no more than 4 psi loss.

Cdl pre-trip inspection checklist

How to remember Pre-Trip Inspection for CDL exams

Get ready for the CDL exams with our CDL Prep App , providing a variety of exam-like Questions and state-specific practice tests.

  • Crossing railroad tracks, you should change gear...?
  • During your pre-trip test, when examining hoses with the instructor, you need to look for
  • Which of the following is MOST likely to get stuck on raised railroad crossings?
  • At what speed should you test the stopping action of the service brakes?
  • What is the main difference between aggressive driving and road rage?
  • When it is acceptable NOT to wear your safety belt?
  • Which of these statements about stopping distance and speed is true?
  • Outage means
  • Which of the following is a reason to evacuate the school bus?
  • By law, the warning lights must only be used when approaching a

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What does the pre-trip inspection exam include.

cdl pre trip pictures

You will be expected to be able to perform a complete pre-trip inspection on your vehicle, including both in-cab & external features, as well as the engine compartment.

Fluids, belts, brakes, air brakes, and lights are some of the main components to the test.

The pre-trip inspection will ensure that the vehicle that you are operating is safe and road-worthy to drive.

The In-cab pre-trip inspection:

This section will demonstrate that you know how to check that all in-cab functions are operational, including lights, gauges, etc., and ESPECIALLY the air brakes.

Pre-Trip Inspection - My Way! A must see!: In-Cab Pre-trip Inspection

This Pre-Trip is done on my truck and trailer. I physically took the pictures and edited them to my liking. It is a complete Pre-Trip Inspection and features everything you'll need to know.

Video - PreTrip Inspection - Interior Cab

This video shows how to do an in-cab pre-trip inspection

Video - Srtda in cab pre trip and brake test

This video shows how to do an in-cab pre-trip inspection and brake test.

The External pre-trip inspection:

You will be expected to check lights, tires, rims, fluids, belts, etc. Generally, all the components on the outside of the truck & trailer, including the engine compartment.

Forum - Daniel B.: Pre-Trip Inspection - My Way! A must see!

As stated, these are solely based off of how I like to do the Pre-Trip. I give my personal opinions as well as some helpful tips. Your Instructors advice may vary. In the end, just do it the way your Instructor wants you to do it.

Pre-Trip Inspection Video By Apex CDL Institute

This is a complete Pre-Trip inspection video by Apex CDL Institute

Pre-trip checklist, practice exams, and memory aids:

Pretrip Inspection Study Guide

The purpose of the Pretrip Inspection is to be able to do a thorough safety inspection on a commercial vehicle before heading out onto the highway.

Pre-Trip Inspection Free CDL Practice Tests

Our free Pre-Trip Inspection cdl practice questions are designed to help test your knowledge of the CDL Manual and sharpen your skills for taking the CDL permit and endorsement exams.

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Home » Blog » Maintenance » The Ultimate Guide to a Pre-trip Inspection

The Ultimate Guide to a Pre-trip Inspection

Pro tip: join 700+ operations, maintenance & repair teams simplifying their daily business with toolsense.

Road safety is a big concern in many industries that require their employees to drive vehicles on the job. While 94% of serious traffic accidents are the result of human error, these numbers still leave 6% of other, often times avoidable causes, such as faulty systems or broken parts. Drivers can contribute to safer roads by conducting a thorough pre-trip inspection before they head out on a journey . Learn how a pre-trip inspection should be completed with ToolSense, what a pre-trip inspection is, what it entails, and how you can ensure that your employees follow the CDL pre-trip inspection checklist with the help of modern tools.

Pre-trip Inspection Set Up

  • A thorough pre-trip inspection should be done on any vehicle before it hits the road.
  • This ensures that the vehicle is in working order, increases the driver’s safety, and lowers maintenance costs in the long run.
  • Depending on whether a driver is checking a CDL Class A, B, or C vehicle, different components of the vehicle need to be checked before every trip.
  • Examples from a pre-trip inspection checklist might include suspension parts, coupling, brakes, wheels, emergency equipment, lights, and windshield wipers.
  • Pre-trip inspection software offers checklists and the ability to create custom forms to ensure drivers don’t forget a single detail during the pre-trip checks.

What Is a Pre-trip Inspection?

Any vehicle should be thoroughly checked before it hits the road in what is called a pre-trip inspection. This inspection ensures that the car, truck, or another type of vehicle is in working order to prevent expensive repairs as well as traffic accidents . Essentially, pre-trip inspections keep drivers safe by preventing accidents. They also contribute to lower maintenance costs as flaws can be repaired before they can cause further, more extensive damage. Potential malfunctions, failures, or broken parts are discovered during these checks and can be repaired or replaced before the vehicle heads out on the road. Pre-trip inspections have to be undertaken for trucks as well as their trailers and other vehicles that are being used on public roads, such as tractors.

Driving vehicles commercially requires a specific license which, in the United States, is called a CDL ( Commercial Driver’s License ). Other countries, such as the UK, Australia, and New Zealand, also require commercial drivers to have a specific license. The minimum age for acquiring a CDL is 18 years in the US. However, in interstate commerce, in the state of Hawaii, or when transporting hazardous materials, drivers are required to be at least 21 years of age. The CDL divides the license into three different classes, which all require different CDL pre-trip inspections.

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Class A Pre-trip Inspection

CDL Class A includes a combination of vehicles with a gross vehicle weight rating (GVWR) of 26,000 pounds if the towed vehicle weighs over 10,000 pounds . This includes tractor and trailer combinations, truck and trailer combinations, double and triple trailers, livestock carriers, tractor-trailer buses, flatbed trucks, and any vehicle that falls under Class B and C. A Class A pre-trip inspection is necessary for all vehicles that fall under this category.

Class A CDL Pre-trip Inspection Checklist. truck pre trip inspection checklist example

Class B Pre-trip Inspection

CDL Class B includes vehicles with a GVWR of over 26,000 pounds and vehicles towing a trailer of up to 10,000 pounds . This includes straight and box trucks, such as delivery vehicles, large buses, and trucks with small trailers. A driver with a CDL Class B can also drive Class C vehicles. A pre-trip inspection for Class B vehicles is also necessary. A Class B pre-trip inspection is necessary for all vehicles that fall under this category.

Class C Pre-trip Inspection

A CDL Class C allows drivers to operate any vehicle that transports 16 or more passengers , driver included. According to the Hazardous Materials Transportation Acts, a driver with a Class C license is allowed to operate vehicles designed for the transportation of hazardous materials. This includes small HAZMAT vehicles and passenger vans.

Minimum Pre-trip Inspection Requirements

These classes have different pre-trip inspection requirements, depending on what type of vehicle is being checked and what they are carrying. A pre-trip inspection checklist can help drivers remember which components need to be checked specifically, depending on the type of vehicle. However, these are the minimum requirements during a pre-trip inspection:

Service Brake, Including Trailer Brake Connections

The brake systems for both the towing vehicle and the trailer need to be inspected to ensure that the systems are in working order. If undetected, a malfunctioning brake poses a significant hazard. The brake hose should be securely mounted on both ends and not be leaking air. Any cracks, splits, or cuts indicate that the brake hose needs to be replaced or repaired. The brake chamber should also not be leaking air. Slack adjusters and push rods need to be examined during the pre-trip inspection to ensure that push rods have less than 1 inch of play and stay at a 90-degree angle to the brake chamber. The brake pads should not show signs of oil or debris and have a minimum brake pad thickness of 1/4 inch.

Parking Brake

Drivers should insure the parking brakes of both the vehicle and the trailer are in working order by setting the brake and releasing it.

Steering Mechanism

The steering gearbox, air lines and hoses should show no damage or leaks. The hoses should be connected on both sides. The steering shaft should be straight and intact. The rubber on the drag link is properly greased and shows no splits or cuts. During the pre-trip inspection, drivers should make sure that all pins and bolts on the pitman’s arm are secure. According to the Class A pre-trip inspection checklist, tie rods should be secure and show no signs of being bent or broken. The steering wheel should be firmly attached to the steering column.

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Lighting Devices and Reflectors

Every pre-trip inspection checklist should include lights and reflectors, meaning these need to be checked by the driver before every trip to make sure they are intact and working. The following lights and reflectors should be inspected before a vehicle hits the road:

  • Running lights
  • High and low beams
  • Turn signals
  • Hazard and warning lights
  • Brake lights
  • License plate lights

Tires and Rims

Before the vehicle is used, drivers should make sure that no unauthorized wheel rims are used. Tires should not show cuts, abrasions, or bulges. The minimum tread depth is 1.6 mm and tires should be evenly worn. Air pressure levels should also be checked, and drivers should make sure that the valve stem is securely in place and not leaking air. Lug nuts should not show rust or cracks. When the driver checks the axle seal, it should be secure and show no leaks.

The functionality of the horn should be checked in every pre-trip inspection to ensure that it works in emergencies.

Windshield Wipers

As trivial as windshield wipers may seem, they are a part of every Class A pre-trip inspection checklist. Drivers must ensure wipers and fluid supply are working. The windshield wiper fluid should also be refilled.

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Rearview Mirrors

No CDL pre-trip inspection cheat sheet is complete without the mention of rearview mirrors. All of them should be intact and clean without cracks or damage. Drivers should also ensure that they are properly aligned.

Coupling Devices

When the vehicle is coupled to a trailer, the truck pre-inspection needs to include coupling devices. Air connectors need to be connected on both ends and show no signs of tangling, dragging, or damage. The same goes for the electrical lines, and the safety latch should be in place. The fifth-wheel platform is not allowed to have unauthorized welds and should not show cracks or signs of damage. Drivers should inspect the glad hands to check that the seals are in good condition and not leaking air. Mounting bolts should be tightly in place. The skid plate needs to be properly greased, and the release arm secure in a fully locked position. The kingpin should be firm and secure as well, while showing no cracks or damage. The locking jaw is intact and locks securely around the kingpin. The apron is also mounted and secured with no signs of cracks. The sliding fifth-wheel locking pins need to be in a fully locked position.

Emergency Equipment

Every pre-trip inspection list should include safety and emergency equipment. That means drivers need to ensure that the truck is carrying a functioning fire extinguisher, spare electrical fuses, and reflective triangles.

CDL Pre-trip Inspection Checklist

Tractor, bus, and truck pre-trip inspection checklists look a little different, depending on the type of vehicle that needs to be checked before heading out. With ToolSense you can create custom forms and checklists . Here is an example of what a printable pre-trip inspection checklist might look like :

1. Passenger Side Engine

  • Drivers should check the air filter housing and verify that it is mounted securely, and the cover is in place. 
  • The windshield washer fluid reservoir should be filled to an appropriate level and show no leaks. 
  • The turbocharger does not leak oil or exhaust. 
  • The engine air duct is working, has properly secured clamps, and shows no cuts.
  • Truck drivers need to inspect the alternator to see that it is securely mounted and does not have broken or loose wires.
  • The accessory drive belt should not be cracked or frayed.
  • The air conditioner compressor is securely mounted.

pre trip inspection with pictures: Checking passenger side engine

2. Front Brakes

  • Truck drivers have to service brakes and ensure that the brake drum and brake lining show no cracks or signs of damage.
  • No oil should be leaking from the inner oil seal.
  • The slack adjuster should be at the proper angle to the brake chamber. The clevis and cotter pin should be intact.
  • Drivers need to make sure that the brake air line shows no bulges or cuts and fits tightly.

pre trip inspection with pictures: Checking brakes

3. Front Wheel

  • Truck drivers should check tires for abrasions, bulges, and cuts.
  • The minimum tread depth should be 1.6 mm.
  • Tires need to have a pressure of 120 PSI.
  • The wheels should not be cracked or bent.
  • If the hub is sealed, drivers can’t check the level. If it is not, the oil should be at an appropriate level and not leaking. The outer oil seal should not be leaking, either.
  • The valve cap has to be in place.
  • Drivers must make sure that the lug nuts are not missing, are secure, and show no streaks or shiny areas.

pre trip inspection with pictures: Checking wheels

4. Driver Side of Engine

  • Truck drivers have to ensure that the radiator brace shows no cracks or missing bolts and that the radiator is securely mounted and not leaking.
  • The water pump should not be loose or leaking and show no cracks.
  • The fuel water separator and filter show no leaks and are securely mounted.
  • The pitman arm or drag link is not cracked, and the castle nut is secured with a cotter pin.
  • Drivers need to check the steering gearbox to see that it is secured to its frame and not leaking.
  • The power steering reservoir is at an appropriate level and shows no leaks.
  • The dipstick shows the right level. The driver needs to secure it after every check.
  • The steering shaft is also secure and not loose or damaged.
  • There is no damage to the fuel pump and it does not show any cracks.
  • The clamps on the engine air duct are secure and it does not show cuts.
  • The brake master cylinder and the engine coolant reservoir show the correct fluid levels and do not leak.
  • Drivers need to check the oil filler cap to ensure that it is secure and has no cracks.

Checking driver side of engine

5. Steer Axle Suspension

  • The u-bolts are not cracked, loose, or missing their nuts.
  • The leak spring does not shift, shows no cracks, and is not loose.
  • Truck drivers need to ensure that the tie rod is secure with castle nuts and cotter pins.
  • The shock absorbers are securely mounted and not leaking oil.
  • The axle shows no cracks.

6. Rear Suspension

  • Drivers need to check the spring mount to see that is securely mounted and shows no cracks.
  • Just as they did on the front, the rear tires should be checked by the driver for abrasions, bulges, and cuts. Pressure should be 110 PSI and the minimum tread depth is 1.6 mm.
  • The shock absorbers are securely mounted and not leaking out.

Checking rear Suspension

7. Side of Cab

  • Drivers should inspect the mirrors to see that they are securely mounted, clean, and not broken.
  • All doors should open and close properly, the hinges need to be secure, and there should not be any damage to doors or windows.
  • The lights and signals are all working and not cracked.
  • When drivers inspect the steps, they should be mounted properly and secured to the skirting.
  • The battery box is securely mounted, and the cover is latched.
  • The FED cap is secure.
  • The gasket, vent, and chain are in place on the fuel cap and tank.
  • The side skirting shoes no damage and the panels are secure.
  • Drivers need to make sure that the side box is secured and that safety triangles are present.
  • The body of the sleeper berth shows no damage, and the sleeper berth windows have no cracks.

Checking Cab

8. Rear of Cab

  • When truck drivers are checking the electrical cord, there should be no bare wires or corrosion. The plug at the end of the cord should be intact.
  • The airline should not be tangled or worn. The grommets fittings are tight.
  • The cab shock absorbers are securely mounted and not leaking oil.
  • The cab airbag bellows is securely mounted and not ruptured.

9. Drive Shaft/Rear Frame

  • Drivers need to ensure that the drive shaft is not cracked.
  • The universal joint does not show cracks, missing bolts, or shiny areas.
  • The differential is not leaking oil.
  • The frame is straight and does not have non-factory welds.

10. Fifth-wheel Area

  • Drivers have to check that the keeper pin and cotter key on the pivot pin are intact.
  • The slider lock pins are fully engaged.
  • During the inspections, the release arm shows no bent.
  • The slider rail and slider stop blocks do not have broken welds or missing bolts.
  • The fifth-wheel platform is well-greased and tilted down.

11. Front of Trailer

  • The top rail and tracking device have no cracks or collision damage.
  • During the pre-trip inspection, clearance lights are working properly.
  • The registration is readable.
  • The document box is not loose or missing.
  • Truck drivers need to ensure that airlines and glad hands have no bulges or cuts, and that the rubber grommets on the glad hands are not damaged.
  • The electric hook-up has an intact cover and no broken pins.
  • The PM sticker is legible and up to date. The height stickers are legal for the chosen route.
  • The placard holder is intact and not missing rivets.

12. Side of Trailer

  • Drivers need to check the top rail for cracks and collision damage.
  • The clearance lights are operational. The bottom lights are not cracks, show no collision damage, and are not missing bolts.
  • The landing gear has no broken welds, the sand pads are secure, and the legs are straight.
  • The reflector tape is clean.
  • During the pre-trip inspection, placard holder and side panels show no damage and have no missing rivets.

Checking trailer

13. Rear of Trailer

  • Drivers need to ensure that the latches are secured and not damaged.
  • Truckers need to check the lights to make sure they are operational.
  • The splash guard’s brackets and guard are secure.
  • The license plate is secure and clean, and the light is working.
  • The bumper is intact and does not show broken welds.
  • Door hooks and hinges are secure, intact, and not missing bolts.
  • While checking the door seals, there should be no separation or rubber tubing sticking out.

14. Trailer Suspension

  • The airline shows no bulges or cuts and the fittings are tight and not rubbing.
  • The axle is neither bent nor broken.
  • Drivers need to make sure that clevis pins and cotter key are not missing.
  • The slack adjuster is at the proper angle with the clevis pin and cotter pin intact.
  • The brake drum is intact.
  • Drivers should check tires for abrasions, bulges, and cuts.
  • Tires need to have a pressure of 110 PSI.
  • The spring is not broken or shifted, and sprint mounts show no broken welds.
  • While performing a pre-trip inspection, drivers need to make sure that the u-bolts are not cracked or loose.
  • The torque rod is securely mounted with the brushing intact.
  • The spring brake chamber is also securely mounted with a secured band clamp.

Staying ahead of the requirements for safety inspections without proper tools takes plenty of time and effort. Flexible rules, pre-configured and custom inspections and powerful automations ensure a flawless operation of your assets.

15. Gauges/Inside the Truck

Inside the truck, drivers should check the following readings:

  • Tachometer: 1000-1500.
  • Water temperature: 180–205 degrees.
  • Fuel level should match the visual while looking into the tank.
  • DEF level: minimum of one light bar.
  • Oil pressure: 25-50 PSI.
  • Air pressure: 90-120 PSI.
  • Speedometer: 0-60 MPH.

Checking gauges inside the truck

CDL Pre-trip Inspection Video 

For more helpful tips on performing a pre-trip inspection, watch the video from Driving-Tests.org: “How to perform a CDL Class A Pre-Trip Inspection and pass in 2023”.

Completing a CDL Pre-trip Inspection Process With ToolSense

A CDL pre-trip inspection might seem like an overwhelming process and a lot of additional work for drivers that are already on a tight schedule, but there are ways to create a smooth and easy process for all employees involved . A printable CDL pre-trip inspection cheat sheet or a pre-trip inspection checklist in PDF format is just one way to make sure drivers don’t forget important details. Another option is a pre-trip inspection app .

ToolSense is a modern asset and fleet management solution that comes with pre-programmed pre-trip inspection forms and checklists and allows drivers to easily check off any parts that have already been inspected. Additionally, companies can create their own custom checklists using a simple form to ensure the lists are suitable for the type of vehicle that is in use. Because ToolSense’s pre-trip inspection software is cloud-based, employees can access important data from their desks as well as on the go with a smartphone or tablet. CDL pre-trip inspection pictures can also be added to the vehicle’s lifecycle folder within the software to ensure that drivers know exactly what to look out for.

Because ToolSense is a well-rounded asset management platform, creating checklists and forms is not the only handy feature it has to offer. Companies can track all of their assets either with modern GPS trackers, Bluetooth sensors, or a simple QR code system . That allows them to keep an eye on location, runtime, downtime, maintenance history, and work orders related to assets and vehicles . All this data is collected and saved in the asset management solution and used in handy analytics tools . Each asset and vehicle has its own lifecycle folder that stores information as well as pictures, videos, and invoices, meaning that everything is kept in one place where it is easily accessible to all employees. In the long run, ToolSense can increase a company’s productivity while saving time and money.

Telematics-ToolSense: Learn how a pre-trip inspection should be completed with ToolSense!

A pre-trip inspection is a check of any vehicle before it heads out on the road. This ensures that the truck, bus, car, or tractor is in perfect working order, keeps drivers safe, and helps reduce maintenance costs.

This checklist is specifically designed for a pre-trip inspection of Class A vehicles and includes brakes, suspension parts, wheels, emergency equipment, lights, and more.

Pre-trip inspection Class B checklists were created to inspect vehicles of that class before they hit the road. These can include brakes and air systems, lights, steering, windshield wipers, and more.

A pre-trip inspection tool or software turns regular inspections into a simple and easy process by providing drivers with the information they need to undertake the inspection. This includes using pre-configured pre-trip inspection checklists or creating custom checklists that drivers can use so as not to forget a single detail about the inspection.

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CDL pre-trip inspection checklist.

CDL pre-trip inspection checklist.

A commercial driver’s license (CDL) can put you behind the wheel of a tractor-trailer, a flatbed, or a tanker, among other non-passenger vehicles. Before you hit the road though, you’ll need to complete a CDL pre-trip inspection checklist. By inspecting the commercial vehicle beforehand, you can head out on your route knowing you’ve confirmed major systems and parts are road ready. Recognizing road safety is always a fleet priority . This article provides a comprehensive guide to the CDL pre-trip inspection checklist.

What is a CDL pre-trip inspection checklist?

A CDL pre-trip inspection checklist systemizes the driver’s vehicle inspection to ensure care and consistency. While a pre-trip inspection would be a best practice no matter what, the Federal Motor Carrier Safety Administration (FMCSA) requires these checks for commercial vehicles. Part 396.3 (a) calls on every motor carrier to “systematically inspect, repair, and maintain, or cause to be systematically inspected, repaired, and maintained, all motor vehicles subject to its control.” 

The fleet also has to keep formal records of their vehicle checks. So, drivers typically follow a CDL pre-trip checklist and record their findings in the driver vehicle inspection report, or DVIR , confirming the commercial motor vehicle (CMV) inspection is complete.

A CDL A pre-trip inspection checklist requires drivers to inspect many different parts and system including:

  • Vehicle lights
  • Tires, wheels, and rims
  • Windshield wipers
  • Emergency equipment

Different motor carriers may add their own expectations to the CDL pre-trip checklist. But they would be adding particular items to check, not doing away with the pre-trip inspection. After all, non-compliance with the federal pre-trip inspection requirements can earn hefty fines and lead to the loss of certifications and licenses.

The Class A CDL pre-trip inspection checklist is important enough that drivers testing for their license are expected to do the pre-trip inspection as part of their examination. Inspection requirements can vary by state. There’s also a Class B CDL pre-trip inspection list. 

Why is the CDL pre-trip inspection checklist important?

Compliance isn’t the only reason following the CDL pre-trip inspection checklist is important. The federal requirement is in place, after all, to ensure commercial vehicles on the road are safe to drive. 

With continued investment into critical infrastructure over the last 20 years, the percentage of roads in good condition has climbed since 2000. Yet the United States still has hazardous roads. In fact, “from 2000 to 2020, the share of major roadways in poor condition has remained fairly steady, rising from 11.8% to 13.8% over the course of 20 years.”

This makes keeping commercial vehicles in top shape all the more important to safety and efficiency. A CDL pre-trip checklist helps improve fleet safety by avoiding drivers going out on the road in vehicles that are not fit for duty. Taking a truck out on the road with an unsecured load, damaged brakes, disconnected wiring, or another issue could lead to drivers hurting themselves or somebody else.

Fleet vehicle inspections can also help keep drivers on the road. Identifying issues in advance can help avoid major problems that mean downtime and costly repairs. Plus, if the Department of Transportation (DOT) inspects the vehicle and finds something that the driver missed, they can put that vehicle out of service for longer. DOT violations can also lead to fines and hurt your CSA scores . A decrease in your CSA scores can lose your fleet business and cause your insurance premiums to go up too.

How to perform a CDL pre-trip inspection 

Although there is no specific time limit, a thorough CDL pre-trip inspection usually takes 15 to 30 minutes. This pre-trip starts at the front of the truck, but you can take the steps in this CDL pre-trip checklist and make them your own.

Front of the truck

Verify lights are clean, securely mounted, the right color, and working. Make sure the truck isn’t leaning. Confirm there are no leaks under the engine compartment.

Engine compartment

Check critical fluid levels. This includes power steering, coolant, windshield washer fluid, and engine oil. Inspect reservoirs, tanks, and hoses for any leaks, splits, or cuts. Ensure the hoses for the water pump, coolant, oil, and power steering are all properly connected and securely mounted. Check the air compressor is well secured. Inspect to make sure the belts on the alternator, pumps, and compressor are secure as well. They should have no more than 1/2″ to 3/4″ of play with no cuts or splits.

Front of the truck/tractor

Inspect the steering shaft and gear box to see they’re properly mounted to the frame and that there are no cracks or breaks. Check gear box hoses for leaks. Look for excessive play in the steering belt, secure connections. Check connections and look for leaks on pitman arm, drag link, and upper/lower control arms and tie rod. Move on to the spring mounts, leaf springs, and U-bolts to confirm they are not cracked or broken and are securely mounted. Do the same with shock absorber but also look for visible leaks and ensure the rubber bushings don’t have dry rot. Check the rubber of the airbag.

Check the hose, chamber, drum, pads and slack adjuster to confirm secure mountings and no leaks. Look out also for any breaks, splits, or cuts. Verify slack adjuster push rod has no more than 1″ of play and is at a 90° angle to the brake chamber. Check the brake drum has no bluing from excessive heat. Ensure brake pads have a minimum thickness of 1/4”.

Wheels/tires

Check tires for cuts, bulges, and abrasions on your tires. Confirm tire tread depth and inflation levels. Check All lug nuts are accounted for and in good condition. Ensure valve stem is properly secured and capped. Look out for unauthorized or illegal welds on wheel rims. Check tires are properly spaced if your tractor/trailer has duals. Confirm the hub seal/axle seal is not loose and has no visible leaks.

Rear of truck

Look at the frame to ensure nothing is broken. Check for unauthorized welds. Confirm the catwalk and steps are properly mounted and kept clear. Ensure the drive shaft is free of debris with unbroken and untwisted U-joints. Verify the exhaust system is secure and look for exterior soot, which could indicate a leak. Make sure mudflaps are also secured at the right height.

Coupling area

Check that the fifth wheel platform, apron, and kingpin are secure, not cracked, bent, or broken. Look for any unauthorized or illegal welds. Confirm skid plate is properly greased. Verify release arm, locking jaw, and slide locking pin are fully locked. See that mounting bolts are tight and none are missing. Ensure glad hands have seals in good condition with no signs of rot or leaks. Secure electric lines with safety latches in place. Check air connector is secure on both ends without cuts or abrasions.

Verify that there are no holes in the trailer’s front, sides, or floor and that all rivets are present. See that DOT tape is properly secured and not dirty. Check that all hardware is present on an untwisted, unbroken frame and that cross members are securely mounted with none missing. Ensure lights are clean, working, and not loose. Confirm landing gear is raised, securely mounted, with an operational handle. Check air lines are securely mounted, above ground, with no audible leaks. Verify tandem slide and release arm are properly mounted and locked.

Truck exterior

Make sure that the truck steps are mounted and secure.  Ensure the fuel cap is tight and the tank is not leaking. Demonstrate that the doors latch properly with hinges intact. Ensure mirrors are unbroken and securely attached. Check all the lights and reflectors are working too. This means inspecting the running lights, high beams/low beams, turn signals, hazards, brake lights, license plate lights, and reflector tapes. If driving a hazardous load , ensure you have the proper hazmat placards securely affixed.

Check to ensure your seat belt adjusts and latches properly and that there are no rips or frays. Confirm the shifting distance, room for the clutch, and that parking brake is on. Verify the steering wheel is secure and that the foot pedals are clear of obstruction. When the vehicle is on, look for the ABS light to come on and off. Make sure the windshield wipers, heat and defrost, gauges, and horns are working. Pump the brake pedal several times then apply pressure to the pedal and hold for five seconds to ensure the pedal does not move. For air brakes, confirm applied pressure, warning lights and buzzers, and valve pop-out are all working. Look for three reflective triangles , spare fuses or circuit breakers, and a properly charged and rated fire extinguisher with its pin in place.

Common issues found during pre-trip inspections

While completing a CDL pre-trip list, drivers may encounter any of these common problems. This section identifies common issues, how to address them, and how to prevent future problems too. 

Truck is leaning

Using the 3L’s you might see the truck leaning to one side. This could be a suspension problem or indicate low tire pressure.

Fix it by first checking the tire pressure and inflating tires. If that doesn’t address the problem, check the suspension. Driving a vehicle when there is a problem with the suspension, springs, shocks, or struts can cause severe damage to the vehicle.

Broken lights/warning lights

If you detect an exterior light is cracked or broken, fix it before going out on the road. If a light from the on-board diagnostic system comes on during inspection, e.g., “check engine” or “service engine soon,” address that warning as you’ll fail a roadside inspection if that light comes on. 

Gas cap missing

Damaged or missing gas caps are a common reason for failed inspections on the road. Don’t set out on your route without replacing the gas cap.

Worn tire tread

Unacceptable or worn tire treads or knots or bulges in tires can also lead to failed roadside inspections. Don’t risk going on your route with substandard tires.

How to prevent future CDL pre-trip list problems

An eDVIR or electronic driver vehicle inspection report allows you to record, compile, and store pre-trip and post-trip information on electronic devices such as computers, smartphones, and tablets. This helps motor carriers and fleets to have a centralized record of inspection history, allowing authorized users to monitor progress, pull reports quickly, and promptly address driver, vehicle, or equipment issues.

Using an eDVIR , you can get out on the road faster with the convenience and accuracy of using a smartphone or tablet to record your data while ensuring your vehicle is safe for operations. Drivers can even take and upload photos to record details and communicate with fleet supervisors for quick troubleshooting. 

Making pre-trip inspection checklists easier

CDL pre-trip inspection checklists help systemize the driver’s check of their vehicle before going out on the road. This enhances driver safety and can help reduce accidents. Consistently inspecting fleet vehicles also helps simplify fleet maintenance and avoids failed DOT inspections and reduced CSA scores. 

Pre-trip checks are part of the day to day for drivers. Motive’s customizable eDVIR technology simplifies the reporting. Drivers can assess vehicle parts against a built-in checklist in the Motive Driver app, indicate the severity of the issue, and upload photos. Fleet managers get pre-trip inspection reports in real time. Plus, the technology provides advanced reports to help managers analyze health and maintenance trends for all fleet vehicles. 

Ensure smooth fleet operations with Motive’s fleet safety software. Learn more today. Contact us to request a free demo. 

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6 Effective Tips to Remember CDL Pre-trip Inspection quickly

CDL Pre-trip inspection is a part that you must be through to make your CDL complete. However, most people fear and fail this test because it is too complicated to remember and study as well as perform for the examiner. Hence, people also wonder how to remember pre-trip inspection CDL effectively. In this article, we will provide you with detailed information about the CDL Pre-trip Inspection Study Guide as well as useful tips to help you ace the test!

cdl pre trip inspection

1. What is CDL pre-trip inspection?

First and foremost, a pre-trip inspection is a daily comprehensive checkup of your truck to ensure that everything is in a well-ness position. Completing your pre-trip inspection checklist guard not only your vehicle but also your own safety on the road and avoid any concerns or unexpected situations before taking the wheel. The process of pre-trip inspection takes about 15 minutes. You will be required to follow a pre-trip checklist and document on a report (Driver Vehicle Inspection Report). If you want to be a truck driver, this is an essential part of your job every day, do not ignore it for your own security. It is the reason why to get your CDL, you must pass the CDL Pre-trip Inspection Test.

2. What does the CDL Pre-trip Inspection Test cover?

As mentioned above, to get your CDL, you must pass the pre-trip inspection test. This test is considered one of the most challenging factors of the CDL test. 

You will have 50 minutes to complete a pre-trip inspection test with an examiner. Your responsibility is to identify parts of the truck and how to operate them. There are several points that can be covered on your test, such as Approach, Engine, Steering System, Coupling, Trailer Side, and so on) depending on which class are you taking.

There are some main contents that can be listed: 

  • Checking your truck’s undercarriage for leaks
  • Checking to see if the brakes are in excellent working order
  • Checking fluid levels under the hood
  • Ensure that all lights can be turned on
  • Examining the condition and depth of the tread on the tires

cdl pre trip insection study guide

3. How to study for CDL Pre-trip Inspection?

The key to learning the pre-trip inspection is to practice constantly . To remember some things, the best way is to repeat them over and over. The more you practice, the more you memorize. Let’s look at some method we provide you here to find out which one suit you most.

3.1. Watch someone record

You may watch a video of someone taking a pre-trip inspection on YouTube, and they usually work very well (more about YouTube later). Or else, you can request someone (such as an instructor or a friend) to perform a pre-trip and record it. Try to use the zoom option on your camera while they’re doing it so you can see what’s going on and what’s being checked. This method is supposed to function well because the video and audio are of high quality. Simply watch your recording over and over until it becomes ingrained in your mind. Just make sure the person you’re recording knows exactly what they’re doing and is showing you everything. You don’t want to view a video that skips over any material that will be covered in the exam.

3.2. Break the content into smaller parts

To make the pre-trip less stressful, break it down into manageable units . It will be a hard job if you try to memorize everything all at once. For example, you learn the air brakes first, then the cab interior, the engine compartment, and finally the remainder of the vehicle. You are free to choose any order you wish as long as it is helpful to you. Memorize each section before putting it all together. You will discover that learning the CDL pre-trip inspection in this manner is considerably easier.

3.3. Find a real truck

Having access to a truck is quite beneficial. Pictures are still insufficient. Most of you received your education at a private school, through company-sponsored training, or at a community college. All of them will provide you with access to a real truck, and you should practice the pre-trip every day. Use this time with the truck to get as much experience as possible for your CDL pre-trip inspection. Try to stay after class to get some extra practice in, it could mean the difference between passing and failing.

3.4. Use the CDL Pre-trip Inspection Checklist

Using a checklist is perhaps one of the most popular strategies to remember pre-trip information. There’s a good chance that wherever you’re getting your training already has a checklist for you to use. To revise all the major parts of your truck before heading out on the road, a CDL pre-trip inspection checklist was designed. Besides, you should remember this checklist to perform at the CDL Pre-trip inspector test. There are many sources that you can look for on a checklist, they might differ in order but the content is nearly the same.

3.5. Use pictures/diagrams

There are numerous image resources available to assist you in memorizing the test. You can discover a lot of information by searching for “CDL pre-trip inspection photographs.” Most of them are clear, with unambiguous arrows pointing to each component. There’s a description of what to look for and say for each segment, as well as photographs.

cdl pretrip

3.6. Practice by online practice test

Nowadays, there are several online websites that you can use to practice. The online website brings you opportunities to practice with flashcards and multiple-choice questions that can appear on the actual test. Besides, watching and reading only may not be a good way to learn, because you might forget what is a key factor to remember, using online practice website can help you with this.  You can check on the CDL Practice Test to know more about it!

In conclusion, remembering and understanding all the needed information for the CDL Pre-trip Inspection test is not an easy task, and it is even harder when you are in front of the examiner. We hope that our suggestion above will help you get over it. 

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What is a Pre-Trip Inspection Checklist for Class A CDL

October 22, 2021

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Key Takeaways

Drivers who have a class A commercial driver’s license (CDL) usually have to complete a pre-trip inspection on their non-passenger commercial vehicles. Having a pre-trip inspection checklist handy helps driver’s know what to expect when they pass their CDL examination and what parts of their vehicle the will need to inspect before heading out on the road.

What is a CDL pre-trip inspection checklist?

A pre-trip inspection checklist helps truck drivers remember all the major systems and parts to inspect before heading out on a route. Knowing how to complete a pre-trip vehicle inspection is an important part of trucking. 

Pre-trip inspections for class A licensees

The class A commercial driver’s license (CDL) typically covers non-passenger commercial vehicles . These might include tractor-trailers, tankers, livestock carriers, flatbeds, and more.

The Department of Transportation (DOT) requires drivers to perform a pre-trip inspection before driving a commercial vehicle. Similar to Class B CDL holders, the actual daily pre-trip inspection takes about 15 minutes or less. Typically, the inspection includes the following, with some employers making their own variations.

Brakes and air system

Steering mechanism

Lights and reflectors

Tires, wheels, and rims

Windshield wipers

Rearview mirrors

Emergency equipment

Drivers complete a driver vehicle inspection report (DVIR) recording the completed inspection.

Class A CDL pre-trip inspection checklist

When getting a CDL, drivers need to pass a  pre-trip inspection test. It’s more intensive than the inspection drivers perform daily. This pre-trip inspection checklist for a Class A CDL gives drivers an overview of performing an inspection. Check your state’s CDL manual for a complete list of inspection requirements.

Click here for a Class B pre-trip inspection list.

Engine compartment

Fluids - coolant, oil, and power steering : Reservoirs and tanks should not leak. Check hoses for splits or cuts and that they are securely mounted on both ends. Verify proper fluid levels with a dipstick.

Belts - alternator, pumps, compressor : All belts should be securely mounted without cracks or frays. Belt should have no more than 1/2" to 3/4" of play. 

Hoses (passenger and driver’s sides) : All hoses, including power steering and coolant hose, should be secured on both ends. They should not have splits, cuts, or leaks.

Air compressor: May be difficult to see. Ensure it’s securely mounted, not broken, cracked or leaking.

Alternator : All wires are properly connected.

Water pump : All hoses are properly connected and not leaking. 

Front of tractor/truck

Steering gearbox and hoses : No damage or leaks. Hose should be secured on both ends. They should not have splits, cuts, or leaks.

Steering shaft/steering column : Not bent or broken.

Pitman arm : All caste nuts and cotter pins are present and tight.

Drag link : Rubber is not split and properly greased.

Upper and lower control arms and tie rod : Tie rod should be secure, not cracked or bent.

Front suspension

Spring mounts/spring hanger : Not cracked or broken.

Leaf springs : None are cracked, broken, or shifted.

U-bolts : All accounted for.

Shock absorber : No visible leaks. Leaks will show at the point where the top and bottom of the shock meet. Rubber is not split or shows signs of dry rot.

Airbag : Check rubber for abrasions, cuts or audible leaks plus any missing mounting bolts.

Driver door and fuel area

Mirrors and bracket: Hardware attached properly. Mirror should be clean and not broken.

Door and hinges : Demonstrate door operations, latching properly, hinges intact. Door seals should not be torn or rotten. 

Steps : Mounted properly and can hold weight.

Fuel tank: Not leaking; cap is tight with seal intact.

Rear of tractor/truck

Drive shaft : Not twisted, U-joints not broken and free of debris.

Exhaust system: Not loose, no sign of leaks (exterior soot).

Frame : Nothing broken or unauthorized welds.

Catwalk and steps : Properly mounted and clear of loose objects.

Mudflap : Secured, not missing or broken. At the right height.

Coupling area

Air connector: Secure on both ends, no abrasions, cuts, or audible leaks. Connectors should not drag or tangle.

Electric lines : Secure on both ends, no abrasions or cuts. Safety latches in place. Lines should not drag on the catwalk or tangle.

Glad hands : Seals should be in good condition with no cracks, signs of rotting, or leaking air.

Fifth wheel platform : Secure to frame, not cracked, bent or broken. No unauthorized or illegal welds.

Mounting bolts : No missing bolts and mounted tight.

Skid plate: Properly greased.

Release arm : Secure in fully locked position.

King pin : Mounted and secure. No cracks, bends, and breaks.

Locking jaw : Fully locked around the king pin. 

Apron : Mounted and secure. No cracks, bends, and breaks.

Sliding 5th wheel locking pins : Pin must be in the fully locked position.

Brake system (both tractor and trailer)

Brake hose : Securely mounted on both ends. No splits, cuts, and not audibly leaking air.

Brake chamber : Not audibly leaking air.

Slack adjuster and push rod : When brakes are released and pulled by hand, the push rod should have no more than 1” of play. It should stay at a 90° angle to the brake chamber.

Brake drum :  No bluing from excessive heat.

Brake pads/brake lining : Check for oil and debris on the lining. Minimum brake pad thickness is ¼.” 

Wheel system (both tractor and trailer)

Wheel rims : No unauthorized or illegal welds.

Steer tires : Look for cuts, bulges, and abrasions on the tread and sidewalls. Tread depth should be a minimum of 4/32”. Tread should be evenly worn. Check inflation levels on tires with an air gauge, filled to manufacturer’s specifications.

Drive tires : Look for cuts, bulges, and abrasions on the tread and sidewalls. Tread depth should be a minimum of 2/32”. Tread should be evenly worn. Check inflation levels on tires with an air gauge, filled to manufacturer’s specifications.

Valve stem . Properly secured, metal cap in place. Not audibly leaking air.

Lug nuts : All accounted for. Check for rust or cracks.

Hub seal/axle seal : Should not be loose. No visible leaks.

Spacing : If equipped with duals, there must be proper spacing between the tires.

Frame and cross members : Secure, not cracked, bent or broken and none missing.

Header board : Secure and not excessively damaged. No holes or missing rivets. 

Landing gear : Must be fully raised and the cradle handle secured. Not cracked, bent or broken.

Doors and hinges: Secured and should open, close and latch properly. Door seals have no separation, no rubber tubing sticking out.

Tandem release :  Release handle and locking pins should be fully locked.

Trailers airbag : Check rubber for abrasions, cuts or audible leaks, plus any missing mounting bolts.

Trailer spring mounts/spring hanger : Not cracked or broken

Trailer leaf springs : None are cracked, broken, or shifted.

Trailer u-bolts : All accounted for.

Trailer shock absorber : No visible leaks. Leaks will show at the point where the top and bottom of the shock meet. Rubber is not split or shows signs of dry rot.

Torque arm/radius rod : Secure mounting, bushings intact.

Check all lights on the front, both sides of tractor, truck rear, both sides of trailer, and trailer rear. Turn on to ensure lights and reflectors are working.

Running lights : Walk around the truck and trailer to examine all.

High beams/low beams: Walk around the truck and trailer to examine all.

Turn signals : Signal both right turn and left turn. Walk around the truck and trailer to examine all.

Hazards/4-way flashers : Walk around the truck and trailer to examine all.

Brake lights : Ask the examiner to watch brake lights. Confirm they worked using the side mirror. 

License plate lights : Walk around the truck and trailer to examine all.

Reflector tapes : Clean and not worn. Walk around the truck and trailer to examine all.

In-cab inspection and air brake test

Seat belt: No rips or frays and should adjust and latch properly.

Lighting indicators : See lights and reflectors section

Oil pressure indicator : Demonstrate normal operating range.

Water temperature gauge : Demonstrate normal operating range.

Air pressure gauges : Build to governor cut out.

Ammeter/voltmeter : Charging between 13 and 14 volts.

Mirrors : Secure, not cracked or broken. No obstructions and properly adjusted.

Windshield : No more than a 1” crack is permitted. Clean and free of debris.

Windshield wipers and washers: Turn on to show they are working properly.

Horns (city and air) : Show they are working properly.

Heater/defroster : Turn on to show they are working properly.

Safety/emergency equipment : Must have a fire extinguisher, three red reflective triangles and spare electrical fuses. Extinguisher must be fully charged and secured.

Steering wheel : Secured to steering column.

Foot pedals : Free of grease and debris. No obstructions. 

Hydraulic brake check : Pump the brake pedal several times. Apply pressure to the pedal and hold for five seconds. The pedal should not move.

Air brake check : Air brake devices vary. Drivers must test three components of the air brake check correctly: applied pressure, warning lights and buzzers, and valve pop-outs.

Parking brake: 

Trailer parking brake : Set the trailer brake, release the tractor brake. Put truck in low gear and tug. 

Tractor parking brake : Set the tractor brake, release the trailer brake. Put truck in low gear and tug.

Service brake : Release both the tractor and trailer brakes. Drive 3 – 5 mph. Apply the service brake and come to a complete stop. Ensure steering does not pull to the left or right when applying the brakes.

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IMAGES

  1. CDL Pre-Trip Inspection Guide

    cdl pre trip pictures

  2. 5 Tips to Memorize the CDL Pre Trip Inspection

    cdl pre trip pictures

  3. CDL PRE TRIP

    cdl pre trip pictures

  4. Pre-Trip Inspection

    cdl pre trip pictures

  5. How to perform a Class A CDL Pre-Trip inspection. Demonstrated by a

    cdl pre trip pictures

  6. The ultimate guide to a CDL pre-trip inspection

    cdl pre trip pictures

VIDEO

  1. CDL Pre trip/Coupling 2023

  2. CDL PRE TRIP INSPECTION FORM A

  3. CDL Pre Trip 2024

  4. CDL PRE TRIP 1

  5. “CDL A Pre-Trip Guide”

  6. CDL Pre trip inspection coupling

COMMENTS

  1. CDL Pre-Trip Inspection Test and How To Memorize It

    1. REPETITION! The only way to memorize the pre-trip is to repeat it over and over. Start with the engine area and work your way around the truck and finally inside the cab. There is no way around consistent repetition. The more you do it the more you will memorize it. It's just that simple.

  2. Pre-Trip Inspection Study Guide

    Our Pre-Trip Inspection Study Guide has everything you need to prepare for the Class A CDL Pre-Trip Inspection Exam. Our study guide will cover the pre-trip inspection terminology as well as a thorough list of all of the parts you will be inspecting on the vehicle. For each part you will be inspecting there will also be a list of items you will ...

  3. Class A Pre-Trip Inspection Study App

    Rubber Parts: no abrasions, bulges, or cuts. Parts that hold a Fluid or Air: cannot be leaking. Example: the engine air compressor (a metal part) is securely mounted, not cracked, gear-driven, and has no audible leaks. • The Pre-Trip Inspection is a verbal test. • Say at least 2 things about every item you inspect.

  4. Pre-Trip Inspection

    This is based off of Prime Inc.'s Pre-Trip Inspection procedure. Your companies Pre-Trip might vary slightly. Here are our sections: Engine Compartment. Drivers Door Fuel Area. Coupling System. Trailer (Please note in the type of suspension your trailer has) Light Check. In-Cab Inspection and Brake Tests.

  5. PDF Daniel B.'s CDL PRE-TRIP INSPECTION GUIDE

    This is my Pre-Trip Inspection , done my way! This Pre-Trip is done on my truck and trailer. It is a complete Pre-Trip Inspection and features everything you'll need to know. I've been working on this for a long time and my hometime finally gave me the chance to finish it all up. This is based off of Prime Inc.'s Pre-Trip Inspection pro ...

  6. CDL Pre-Trip Inspection Checklist + Free PDF (2024)

    Printable Pre Trip Inspection Checklist (PDF) CDL Manual. CDL General Knowledge Practice Test. Pre Trip Inspection Practice Test. CDL HAZMAT Endorsement Practice Test. Edited for 2024 on 12/5/23. Complete CDL pre-trip inspection checklist with online reference and study guide plus a free PDF pre trip inspection checklist to print.

  7. Mastering the CDL Pre-Trip Inspection Exam: A Complete Guide

    Quick summary: The Pre-Trip Inpection is one of the three parts of your CDL Skills test, You will be required to demonstrate a thorough pre-trip inspection of your vehicle to ensure it is safe to drive. This includes checking the engine compartment, brake system, fuel system, and more. The CDL Pre-Trip Inspection Exam is an integral part of ...

  8. PDF Class A CDL Pre-Trip Inspection Simplified

    Engine Compartment + 1 Axle. 3 L's. Leaks, Leans, and Lights. Before opening the hood, check for LEAKS on the ground, under the engine. Check that the truck is not LEANING. to one side or the other. Check the LIGHTS on the top and front of the truck. They must be the proper color and not cracked, broken, or dirty.

  9. Complete pre-trip inspection checklist for truck drivers

    A pre-trip should be completed before the operation of a vehicle: At the beginning of a driver's shift. Any time a new trailer is picked up. After a 10-hour break. A thorough inspection usually takes anywhere from 30 minutes to one hour and should be logged as on-duty, not driving (line 4). How to complete a CDL pre-trip inspection

  10. The Pre-Trip Inspection: A Practical Guide For the Truck Driver

    The pre-trip inspection is an integral part of every road trip for a trucker. It's probably the most disliked and most often overlooked part of the job of the professional truck driver in the trucking industry. This inspection is meant to be a thorough check of the truck, trailer and load. The check is to ensure that everything is in correct ...

  11. Class A CDL Pre-Trip Inspection Checklist & Guide

    CDL Pre-Trip Inspection List. While the DOT isn't explicit with which items drivers are required to inspect during their pre-trip inspection, it is important to take a look at the following items: Service brakes, including trailer brake connections. Parking (hand) brake. Steering mechanism.

  12. How To Study For the CDL Pre-Trip Inspection

    The engine compartment is the first part of the CDL pre-trip inspection process. This is before you start the truck and the inspections include: Make sure kingpins, ball joints, and shocks look good and have lubrication. Check fluid levels including windshield washer fluid, coolant, and oil. Look at steering axle tires for uneven wear.

  13. Pre-Trip Inspection Study Guide

    You need to complete a pre-trip inspection test to pass your CDL exam. The pre-trip is often viewed as one of the most challenging aspects of getting a CDL. However, like anything, practice makes perfect. You will have up to 50 minutes to complete a pre-trip vehicle inspection for the state examiner. During the exam, you should identify each ...

  14. CDL Pre Trip Inspection: Step by Step Guidelines

    Any issues detected must be addressed before departing. A thorough vehicle pre-trip is required by law and takes approximately 30 minutes. The Pre-Trip Vehicle Inspection Test. To obtain your CDL exam, you need to complete a pre-trip inspection test. You will have no more than 50 minutes to complete a pre-trip vehicle inspection for the state ...

  15. CDL Class A Pre-Trip Inspection (UPDATED 2023)

    This video will explain the full pre-trip inspection on your Class A truck for the new CDL road test. Watch the whole thing to learn the new pre-trip.Our Web...

  16. Truck Driver Pre-Trip Inspection

    The purpose of the Pretrip Inspection is to be able to do a thorough safety inspection on a commercial vehicle before heading out onto the highway. Our free Pre-Trip Inspection cdl practice questions are designed to help test your knowledge of the CDL Manual and sharpen your skills for taking the CDL permit and endorsement exams.

  17. How to Pass CDL Pre-Trip Inspection

    Learn how to pass your CDL pre trip test, and complete a pre-trip inspection as part of your licence test. Get Your INSPECTION CHECKLIST: https://www.smartdr...

  18. The Ultimate Guide to a Pre-trip Inspection

    Class A Pre-trip Inspection. CDL Class A includes a combination of vehicles with a gross vehicle weight rating (GVWR) of 26,000 pounds if the towed vehicle weighs over 10,000 pounds.This includes tractor and trailer combinations, truck and trailer combinations, double and triple trailers, livestock carriers, tractor-trailer buses, flatbed trucks, and any vehicle that falls under Class B and C.

  19. CDL pre-trip inspection checklist.

    A CDL pre-trip inspection checklist helps drivers confirm all the right parts and systems to set out on the road safely. Learn more about this DOT requirement. ... and upload photos. Fleet managers get pre-trip inspection reports in real time. Plus, the technology provides advanced reports to help managers analyze health and maintenance trends ...

  20. PDF CDL Pre-Trip Inspection manual

    CDL Skills Test PRE-TRIP Inspection 7505 Dahlia St. Commerce City, CO 80022 303-227-7841 Engine Compartment +1 Axle Side and Back of Truck +1 Axle Connections and Trailer +1 Axle External Light Check In-Cab with Brake Check. Leaks, Leans, Lights (3 L's) 3 Components Look for FINS!

  21. PDF PRE-TRIP TEST STUDY GUIDE

    it. This guide offers a Wording section and parts A, B and C of the Pre-Trip. For your skills test, you may get one of these 3 or you may get part D, which means you must do the ENTIRE Pre-trip. Use your "free-time" to study. There is no down time in truck driving. Your commitment to the program reflects your success.

  22. 6 Effective Tips to Remember CDL Pre-trip Inspection quickly

    You will discover that learning the CDL pre-trip inspection in this manner is considerably easier. 3.3. Find a real truck. Having access to a truck is quite beneficial. Pictures are still insufficient. Most of you received your education at a private school, through company-sponsored training, or at a community college.

  23. What is a pre-inspection checklist?

    Class A CDL pre-trip inspection checklist. When getting a CDL, drivers need to pass a pre-trip inspection test. It's more intensive than the inspection drivers perform daily. This pre-trip inspection checklist for a Class A CDL gives drivers an overview of performing an inspection. Check your state's CDL manual for a complete list of ...