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Free CDL inspection checklist

Free CDL vehicle inspection checklist (PDF-ready). FMCSA 49 CFR 383 pre-trip inspection skills test for commercial driver licence. Download free.

Updated 10 Aug 2026

CDL Pre-Trip Inspection Checklist

Commercial driver's licence pre-trip vehicle inspection report

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0 of 25 checks

Engine Compartment

1Engine oil level within operating range
2Coolant level satisfactory, no leaks
3Power steering fluid level adequate
4Belts and hoses free from cracks, proper tension

Cab/Interior

5Seatbelt present and functional
6All gauges and warning lights operational
7Windshield clean, wipers operational on all speeds
8Mirrors adjusted and undamaged

External Walk-Around

9Tyre tread depth meets minimum requirements
10Tyre pressure within specification, no damage
11Lug nuts tight, none missing or cracked
12No fluid leaks visible under vehicle

Coupling System

13Fifth wheel plate greased and jaws locked
14Kingpin engagement verified (tug test)
15Air and electrical lines connected and secure

Brakes

16Air pressure builds to governor cut-out
17Low air pressure warning activates correctly
18Service brakes stop vehicle in a straight line
19Parking brake holds on grade

Lights and Reflectors

20Headlights (low and high beam) operational
21Tail lights, brake lights, and turn signals operational
22Clearance and marker lights operational
23Reflectors clean and undamaged

In-Cab Checks

24Horn operational
25Fire extinguisher present, charged, and accessible

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Jarrod Milford

Jarrod Milford

Co-Founder & Commercial Director

Updated 10 August 2026
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Short answer

A CDL inspection checklist walks through the pre-trip vehicle inspection in the CDL skills test: engine compartment, cab, steering, suspension, brakes, wheels, sides, rear and, on air brake vehicles, the low pressure warning and air supply checks. 49 CFR Part 383 sets the test. Drivers keep using it: under 49 CFR 396.13 the driver must be satisfied the vehicle is safe before driving.

Checked against 49 CFR 383 (Current eCFR text, up to date as of 2026-10-22 (read 2026-10-26)) on by the MapTrack templates team. How we check templates

Key takeaways

  • The MapTrack CDL inspection checklist contains 25 checks across 7 sections. Sections covered: Engine Compartment, Cab/Interior, External Walk-Around, Coupling System, Brakes, Lights and Reflectors, In-Cab Checks.
  • 49 CFR 392.7: before driving, be satisfied brakes, steering, lights, tyres, horn, wipers, mirrors, couplings, wheels and emergency equipment work.
  • Under 49 CFR 396.11, covered drivers report safety or breakdown defects in a written end-of-day DVIR, kept 3 months; one-vehicle and some other carriers are exempt.
  • Tread depth: at least 4/32 inch on front wheels of buses, trucks and tractors, and 2/32 inch elsewhere (49 CFR 393.75).
  • Each vehicle also needs a periodic inspection at least every 12 months, with proof carried on the vehicle (49 CFR 396.17).
  • On air brake test vehicles, the skills test includes checking the low pressure warning and that the system keeps an adequate air supply.

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Saunders InternationalMineral ResourcesSupagasHacer GroupMetro TunnelUltrabuilt

What is a CDL inspection checklist?

A CDL (Commercial Driver Licence) inspection checklist is a structured document used to perform the pre-trip vehicle inspection component of the CDL skills test as required by the Federal Motor Carrier Safety Administration (FMCSA) under 49 CFR 383. During the CDL skills test, the applicant must demonstrate the ability to perform a thorough pre-trip inspection of a commercial motor vehicle, identifying and explaining the function and condition of safety-critical components. The checklist covers the engine compartment (oil level, coolant, belts, hoses, power steering, air compressor, water pump, leaks), cab interior (gauges, controls, mirrors, seatbelt, emergency equipment, air brake check), vehicle exterior (tyres, wheels, lug nuts, suspension, brakes, lights, reflectors, coupling devices, exhaust, frame, mud flaps), and in-cab brake tests (applied pressure test, static leakage test, low air warning, spring brake pop-out). Beyond the CDL skills test, this checklist serves as a comprehensive pre-trip inspection guide for commercial motor vehicle operators, who must be satisfied their vehicle is in safe operating condition before driving under FMCSA 49 CFR 396.13. A systematic pre-trip inspection helps detect brake, tyre, steering and lighting defects before the vehicle enters service, reducing the risk of roadside breakdowns, out-of-service orders, and accidents. The pre-trip inspection skill is one of three components of the CDL skills test defined in 49 CFR 383.113, alongside the basic vehicle control test and the on-road driving test. Mastering the inspection sequence not only helps applicants pass the CDL exam but also builds the habits that keep drivers compliant throughout their careers.

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Benefits of using this CDL inspection checklist

  • CDL test preparation: the checklist mirrors the pre-trip inspection component of the FMCSA CDL skills test, helping applicants practise and pass.
  • Regulatory compliance: support the FMCSA 49 CFR 392.7 and 396.13 pre-trip duties for commercial motor vehicle operators.
  • Defect detection: systematic walk-around and cab inspection identifies brake, tyre, steering, lighting and coupling defects before the vehicle enters service.
  • Reduced out-of-service orders: catching defects before a DOT roadside inspection reduces the risk of out-of-service violations and fines.
  • Driver accountability: the signed checklist confirms the driver has personally inspected the vehicle and certified its condition.
  • Audit trail: completed checklists provide documented evidence for DOT audits, safety investigations and insurance claims.

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  • Schedule services by odometer, engine hours or date for every vehicle.
  • Keep fuel receipts and service records with each vehicle's inspections.
  • Record repair costs on each work order against the vehicle.

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What to include in a CDL inspection checklist

This CDL inspection checklist covers 8 key areas:

  • Vehicle and driver details: date, driver name, CDL number, vehicle unit number, VIN, odometer, trailer number (if combination vehicle).
  • Engine compartment: oil level and condition, coolant level, power steering fluid, air compressor condition, water pump, belts (alternator, air compressor, water pump), hoses, leaks (oil, coolant, fuel, air).
  • Cab interior: gauges (oil pressure, coolant temp, voltmeter, air pressure), controls (wipers, washers, heater, defroster), mirrors (left, right, convex), seatbelt, fire extinguisher, warning triangles, spare fuses.
  • Air brake check (in-cab): build air to governor cut-out, applied pressure test (hold brake, check for drop), static leakage test (less than 3 psi per minute single, 4 psi combination), fan brake valve, low air warning device (activates below 60 psi), spring brake pop-out (between 20 and 45 psi).
  • Exterior walk-around: tyres (tread depth minimum 4/32 steer, 2/32 drive, inflation, damage), wheels and lug nuts, suspension (springs, air bags, shock absorbers), brake components (shoes, pads, drums, rotors, slack adjusters, push rod travel, air lines), lights and reflectors (headlights, turn signals, clearance, marker, tail, brake, reverse), exhaust system, frame and cross members, mud flaps.
  • Coupling devices (combination vehicles): fifth wheel, kingpin, locking jaws, release handle, air and electrical lines, slider pins.
  • Overall condition: clean cab, no loose objects, all access panels and covers secure, no fluid leaks underneath.
  • Sign-off: driver signature, date, time, pass/fail for each section, defects noted, corrective action taken.

How to use this CDL inspection checklist

  1. Begin in the engine compartment with the engine off. Check oil level, coolant level, power steering fluid, belts, hoses and the air compressor. Look for any leaks underneath.: Pull the dipstick and verify oil is between the minimum and maximum marks. Check coolant in the overflow reservoir without opening a hot radiator cap. Squeeze belts to check tension and inspect for cracks. Look under the vehicle for drips of oil, coolant or fuel.
  2. Move to the cab interior. Check all gauges, controls, mirrors and seatbelt. Verify the fire extinguisher is charged and warning triangles are present.: Confirm the oil pressure gauge, coolant temperature gauge and voltmeter read within normal range. Check that both side mirrors and the convex mirror are secure and adjusted. Verify the seatbelt latches and retracts properly. The fire extinguisher must be rated, charged and accessible.
  3. Perform the in-cab air brake tests: build air to governor cut-out, conduct the applied pressure test, static leakage test, fan brake valve test, low air warning test and spring brake pop-out test. Record all readings.: Build air to governor cut-out (typically 120 to 145 psi) and record the cut-out pressure. Apply the brake pedal firmly and hold for one minute. The drop must not exceed 3 psi (single) or 4 psi (combination). Drain air slowly and confirm the low air warning activates below 60 psi and spring brakes pop out between 20 and 45 psi.
  4. Conduct the exterior walk-around starting at the driver door and moving clockwise. Check tyres, wheels, suspension, brakes, lights, reflectors, exhaust, frame and coupling devices at each position.: At each wheel position, check tire tread depth (minimum 4/32 inch steer, 2/32 inch drive), inflation and sidewall condition. Verify all lug nuts are present and tight. Inspect suspension springs or air bags for damage. Check brake components including shoes, drums, hoses and slack adjuster travel.
  5. For combination vehicles, inspect the fifth wheel, kingpin, locking jaws, release handle, and all air and electrical line connections between the tractor and trailer.: Verify the fifth wheel plate is greased and free of cracks. Confirm the locking jaws are fully closed around the kingpin and the release handle is in the locked position. Check air line glad hand seals for cracks, confirm connections are secure, and inspect the electrical pigtail for bent or corroded pins.
  6. Return to the cab, start the engine and verify all gauges read within normal range. Test lights (headlights, turn signals, brake lights, hazards) with a walk-around or a helper.: With the engine running, confirm oil pressure stabilizes, coolant temperature rises normally and the voltmeter shows charging. Activate headlights (low and high beam), turn signals left and right, four-way hazards and brake lights. Walk around or have a helper confirm each light is working.
  7. Complete the checklist, note any defects, record corrective actions taken, and sign off. Do not operate the vehicle until all safety-critical defects are corrected.: List each defect with a description and the action taken (repaired, reported, or deferred). Sign and date the checklist to certify the inspection is complete. For CDL test purposes, be prepared to explain the function of each component you inspected.

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How often should you complete this checklist?

Before every trip or driving shift, the driver must be satisfied the vehicle is in safe operating condition under FMCSA 49 CFR 396.13, and a pre-trip inspection is the practical way to confirm it. The CDL inspection checklist is also used during CDL skills testing. A written Driver Vehicle Inspection Report (DVIR) is required at the end of each working day when a defect or deficiency is found or reported (49 CFR 396.11); no DVIR is required for each trip. If defects are found, they must be corrected before the vehicle is operated. Annual periodic inspections under 49 CFR 396.17 are a separate, more detailed requirement performed by a qualified inspector. Completed pre-trip inspection checklists should be retained for a minimum of three months, though many fleets retain them for 12 months or longer for audit purposes.

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Frequently asked questions

The CDL pre-trip inspection covers the engine compartment (oil, coolant, belts, hoses, power steering, air compressor, leaks), cab interior (gauges, controls, mirrors, seatbelt, emergency equipment), in-cab air brake tests (governor cut-out, applied pressure, static leakage, low air warning, spring brake pop-out), and exterior walk-around (tyres, wheels, suspension, brakes, lights, reflectors, exhaust, frame, coupling devices). The applicant must identify and explain each component during the CDL skills test.

During the CDL skills test and daily pre-trip inspection, the driver must perform several air brake tests: build air pressure to the governor cut-out point (typically 120-145 psi), conduct an applied pressure test (hold the brake pedal and check the air pressure gauge does not drop more than 3 psi in one minute for a single vehicle or 4 psi for a combination), test the low air pressure warning device (must activate below 60 psi), and confirm the spring brakes engage (pop out) between 20 and 45 psi. All readings must be recorded on the checklist.

Under FMCSA regulations, the driver must be satisfied the vehicle is in safe operating condition before driving (49 CFR 396.13), which in practice means a pre-trip inspection before every trip or shift. A written post-trip Driver Vehicle Inspection Report (DVIR) is required at the end of each working day when a defect or deficiency is found or reported (49 CFR 396.11). An annual periodic inspection under 49 CFR 396.17 must be performed by a qualified inspector every 12 months. States may impose additional inspection requirements. Defects identified during any inspection must be corrected before the vehicle is operated.

FMCSA minimum tyre tread depth requirements are 4/32 of an inch (approximately 3.2 mm) for steer tyres and 2/32 of an inch (approximately 1.6 mm) for all other positions (drive and trailer). Tyres must not have exposed cord, sidewall damage, or cuts deep enough to expose ply or belt material. During the CDL pre-trip inspection, the driver should check tread depth, inflation, and condition of every tyre, including the spare if accessible.

Yes, this CDL inspection checklist is completely free to download as a PDF. No account or signup is required. For teams wanting to move beyond paper-based inspections, MapTrack offers a digital version that schedules each inspection, emails the assigned person in the week before it falls due, and stores completed records in the cloud for instant retrieval during DOT audits.

Applicable regulatory standards

This template is a starting point. Check the current requirements that apply to your equipment, work and location. The template alone does not establish compliance.

  • 49 CFR Part 383, Commercial Driver's License Standards; Requirements and Penalties

    Edition: Current eCFR text, up to date as of 2026-10-22 (read 2026-10-26)

    Sets the CDL knowledge and skills tests; 383.113 lists the pre-trip inspection skills this checklist rehearses.

    • 383.113: Required skills for CDL applicants: pre-trip vehicle inspection, including air brake checks on air brake vehicles, basic vehicle control and safe on-road driving.

    US Federal Motor Carrier Safety Administration (text via eCFR)

  • 49 CFR Part 396, Inspection, Repair, and Maintenance

    Edition: Current eCFR text, up to date as of 2026-10-22 (read 2026-10-26)

    Driver's pre-drive check and DVIR review, the end-of-day defect report, and the annual periodic inspection.

    • 396.13: Before driving, the driver must be satisfied the vehicle is safe, review the last report if one was required, and sign it acknowledging the repair certification.
    • 396.11: After each day, drivers report in writing defects affecting safety or risking breakdown; carriers repair safety defects, certify repair or that none is needed, keep 3 months. One-vehicle carriers excepted.
    • 396.17: Each vehicle must pass a periodic inspection of the Appendix A components at least every 12 months, with proof carried on the vehicle.

    US Federal Motor Carrier Safety Administration (text via eCFR)

  • 49 CFR Part 392, Driving of Commercial Motor Vehicles

    Edition: Current eCFR text, up to date as of 2026-10-22 (read 2026-10-26)

    Lists the parts a driver must be satisfied are working before driving.

    • 392.7: A driver must not drive unless satisfied that brakes, steering, lights, tyres, horn, wipers, mirrors, coupling devices, wheels and emergency equipment work.

    US Federal Motor Carrier Safety Administration (text via eCFR)

  • 49 CFR Part 393, Parts and Accessories Necessary for Safe Operation

    Edition: Current eCFR text, up to date as of 2026-10-22 (read 2026-10-26)

    Tyre condition and minimum tread depth rules checked in the walk-around.

    • 393.75: Tyre rules: no exposed ply or belt, separation, flats or audible leaks; 4/32 inch tread on front wheels of buses, trucks and tractors, 2/32 inch elsewhere.

    US Federal Motor Carrier Safety Administration (text via eCFR)

Each source was read at its publisher and the page checked on 26 October 2026. The publisher's current text is the authority.

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<div style="max-width:480px;font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;border:1px solid #E5E7EB;border-radius:12px;padding:20px;background:#ffffff;">
  <p style="font-size:12px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:#071D49;margin:0;">Free template</p>
  <p style="font-size:18px;font-weight:700;color:#071D49;margin:6px 0 0;">CDL Inspection Checklist</p>
  <ul style="margin:12px 0 0;padding-left:18px;color:#374151;font-size:14px;line-height:1.6;">
    <li style="margin:4px 0;">Vehicle and driver details: date, driver name, CDL number, vehicle unit number, VIN, odometer, trailer number (if combination vehicle).</li>
    <li style="margin:4px 0;">Engine compartment: oil level and condition, coolant level, power steering fluid, air compressor condition, water pump, belts (alternator, air compressor, water pump), hoses, leaks (oil, coolant, fuel, air).</li>
    <li style="margin:4px 0;">Cab interior: gauges (oil pressure, coolant temp, voltmeter, air pressure), controls (wipers, washers, heater, defroster), mirrors (left, right, convex), seatbelt, fire extinguisher, warning triangles, spare fuses.</li>
    <li style="margin:4px 0;">Air brake check (in-cab): build air to governor cut-out, applied pressure test (hold brake, check for drop), static leakage test (less than 3 psi per minute single, 4 psi combination), fan brake valve, low air warning device (activates below 60 psi), spring brake pop-out (between 20 and 45 psi).</li>
    <li style="margin:4px 0;">Exterior walk-around: tyres (tread depth minimum 4/32 steer, 2/32 drive, inflation, damage), wheels and lug nuts, suspension (springs, air bags, shock absorbers), brake components (shoes, pads, drums, rotors, slack adjusters, push rod travel, air lines), lights and reflectors (headlights, turn signals, clearance, marker, tail, brake, reverse), exhaust system, frame and cross members, mud flaps.</li>
    <li style="margin:4px 0;">Coupling devices (combination vehicles): fifth wheel, kingpin, locking jaws, release handle, air and electrical lines, slider pins.</li>
  </ul>
  <p style="font-size:13px;color:#6B7280;margin:14px 0 0;padding-top:12px;border-top:1px solid #E5E7EB;">Free <a href="https://www.maptrack.com/templates/cdl-inspection-checklist" style="color:#071D49;font-weight:600;text-decoration:none;">CDL Inspection Checklist</a> by MapTrack</p>
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The MapTrack CDL inspection checklist contains 25 checks across 7 sections.

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