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18-wheeler pre-trip inspection checklist

18-wheeler pre-trip inspection checklist

Make your 18-wheeler inspections faster and more reliable with this practical checklist template. Customize it and tackle all essential checks before hitting the road.

Use this template
or download pdf
18-wheeler pre-trip inspection checklist

Make your 18-wheeler inspections faster and more reliable with this practical checklist template. Customize it and tackle all essential checks before hitting the road.

Use this template
or download pdf

About the 18-wheeler pre-trip inspection checklist

This 18-wheeler pre-trip inspection checklist offers a straightforward, comprehensive way for logistics managers, fleet operators, and drivers to streamline safety checks and keep trucks running smoothly. With this template, you and your team get a clear, actionable guide that covers everything from tire inspections to brake tests, ensuring each trip starts off on the right track. Use this checklist to stay on top of safety protocols and boost operational efficiency.

Key elements of the 18-wheeler pre-trip inspection checklist

Here’s how each section in the checklist works to support a smooth journey:

  1. Exterior inspection: This section prioritizes visibility and safety by covering all lights (headlights, turn signals, brake lights) and checks tire health and inflation, wheel lugs, and mirrors. A well-lit, well-checked truck is crucial for safe travel, especially for night hauls or harsh weather.
  2. Under hood inspection: Engines need thorough pre-trip care, so this section helps track levels for oil, coolant, power steering, and wiper fluid, as well as any visible signs of belt or hose wear. This is key to preventing roadside breakdowns that could cost valuable hours.
  3. Cab inspection: Monitoring the cab’s systems like gauges, wipers, defrosters, and fire extinguishers keeps you ready for the unexpected. This section also helps you verify seat adjustments, mirrors, and essential paperwork, making sure your setup is comfortable and compliant.
  4. Trailer inspection: Finally, you’ll review the trailer’s connection, parking brake, and landing gear, all critical for stability and security. This reduces risks, from costly cargo damage to unsafe stops.

Why you should use the 18-wheeler pre-trip inspection checklist

An 18-wheeler pre-trip inspection checklist makes it easier to conduct safety checks, helping you keep vehicles compliant and road-ready with minimal hassle. This template serves as a systematic guide to prevent oversights—from tire pressure to fluid levels—so you can feel confident that every inspection is thorough and complete.

Using a pre-trip checklist also reduces time spent on inspections while making sure all critical points are covered. This attention to detail both improves safety and reduces repair costs, helping avoid expensive breakdowns and delays.

Plus, by organizing each check in a clear format, the template makes it easy for teams to track and log vehicle condition over time, giving you reliable data for future maintenance decisions.

Download Lumiform’s 18-wheeler pre-trip inspection checklist today

Use this customizable checklist to keep your 18-wheeler safe on the road and compliant with regulations. With structured sections for each key assessment, such as cab inspections and trailer coupling, the checklist keeps your workflow smooth and organized. Streamline your inspection process now and stay one step ahead of potential issues.

Related categories

  • Health and safety management templates
  • Logistics and transportation templates
  • Maintenance templates
  • Safety templates
Preview of the template
Page 1
Exterior Inspection
Check all lights (headlights, turn signals, brake lights, marker lights) for proper operation
Inspect all tires for proper inflation, tread depth, and any visible damage
Check wheel lugs for proper tightness
Inspect all mirrors for proper adjustment and visibility
Check for any fluid leaks under the vehicle
Under Hood Inspection
Check engine oil level and top up if necessary
Check coolant level in overflow tank and top up if necessary
Check power steering fluid level and top up if necessary
Check windshield wiper fluid level and top up if necessary
Inspect all belts and hoses for wear, cracks, or damage
Cab Inspection
Check operation of all gauges, warning lights, and indicators
Inspect the seat, seatbelt, and mirrors for proper adjustment
Test the horn, windshield wipers, and defroster/heater for proper operation
Ensure all necessary paperwork (registration, insurance, log book) is present
Check that the fire extinguisher is fully charged and accessible
Trailer Inspection
Check that the fifth wheel coupling is properly secured
Inspect the landing gear for proper operation and that it is fully raised
Check that the electrical connection between the tractor and trailer is secure and all lights are functioning
Inspect the trailer tires for proper inflation, tread depth, and any visible damage
Ensure the emergency brake and parking brake are functioning properly

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Related resources

Access a complete set of resources aimed at maximizing safety, quality, and operational excellence, including detailed guides, related templates, and real-world use cases.

Topic guides

Read in-depth guides covering key topics related to this article.

Vehicle inspection: A comprehensive guideVehicle maintenance: Essential tips for every driverPreventive maintenance: Your comprehensive guide to equipment maintenanceCommercial vehicle maintenance: The ultimate guide for transporters and fleet managers
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Template collections

See comprehensive collections of best practice templates related to this topic.

21 free pre-trip inspection checklists4 free vehicle pre start checklistsBest 15 free vehicle inspection forms9 free truck pre-trip inspection templates
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Use cases

Check out how the Lumiform software can be utilized for related use cases.

Vehicle inspection softwarePre-Trip Inspection App for DriversFleet safety softwareVehicle maintenance software
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Other resources

Explore all the additional resources we offer to assist you in mastering this topic.

3 Types of vehicle inspectionsVehicle Maintenance App: 4 Key FeaturesHow to perform safety inspectionsRoad Safety: A Guide to Responsible and Safe Driving

Frequently asked questions

How can I identify early signs of wear on an 18-wheeler’s tires?

Check tire tread depth regularly using a gauge—anything below 6/32 inch for steer tires might signal it’s time for a replacement. Look for uneven wear patterns, which can mean alignment issues, or excessive sidewall wear, a sign of under-inflation. Also, spot-check for cracks, bulges, or cuts that might compromise safety over time.

Are there specific warning signs of fluid leaks that every driver should know?

Yes, pay close attention to puddles or wet spots under the vehicle, as they indicate leaks. Different fluids show distinct colors: in general, red for transmission, green for coolant, and dark brown for engine oil. If you notice a strong burning smell or your fluid levels drop quickly, investigate immediately—it could mean a serious leak.

What’s the most overlooked part of an 18-wheeler during a pre-trip inspection?

The fifth wheel coupling often goes overlooked, yet it’s vital for trailer security. Regularly check that the locking jaws are secure and the kingpin is properly seated to avoid trailer detachment. Also, inspect for rust buildup or loose bolts, which can lead to dangerous wear and potential breakdowns.


This template, developed by Lumiform employees, serves as a starting point for businesses using the Lumiform platform and is intended as a hypothetical example only. It does not replace professional advice. Companies should consult qualified professionals to assess the suitability and legality of using this template in their specific workplace or jurisdiction. Lumiform is not liable for any errors or omissions in this template or for any actions taken based on its content.
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