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Comprehensive Trailer Mechanic Job Description, Duties, Responsibilities, Requirements, and Qualifications

Comprehensive Trailer Mechanic Job Description, Duties, Responsibilities, Requirements, and Qualifications
September 27, 2025

Delve into the fundamental qualifications, critical tasks, primary responsibilities, and essential skills that should be highlighted in a detailed Trailer Mechanic job description.

What does a Trailer Mechanic do?

A trailer mechanic is someone who is trained in repairing and maintaining large vehicles used for hauling goods, such as trailers and tractors. They are skilled in identifying and fixing mechanical and electrical issues in these vehicles.

Job Description

We are looking for an experienced trailer mechanic to join our team. The main responsibilities of this role include inspecting and maintaining the mechanical and electrical parts of our trailers. This involves servicing and repairing trailer parts, creating inspection reports, and ensuring that our trailers are safe to use on the road.

To be successful in this role, you should have good communication and people skills. The best trailer mechanics have extensive knowledge of trailer parts and are able to apply this knowledge effectively in their work.

Job Duties and Responsibilities

  • Inspect, troubleshoot, and repair semi-truck and trailer bodies, systems, and components
  • Perform regular maintenance on semi-trucks and trailers
  • Take apart and put together vehicle engines and clean fuel tanks
  • Maintain and replace hubs and axles as needed
  • Inspect, service, and replace trailer parts, including tires
  • Check and repair brake, electrical, and hydraulic systems
  • Test all vehicle systems and equipment for any issues
  • Ensure that trailers meet the safety requirements set by the U.S. Department of Transportation
  • Create inspection reports, document repairs, and report findings to management
  • Respond promptly to any client inquiries

Requirements and Qualifications

  • National Institute for Automotive Service Excellence (ASE) certification
  • Associate's degree in heavy truck technology
  • At least 1 year of experience as a trailer mechanic
  • A valid driver's license
  • Extensive knowledge of vehicle systems, such as hydraulics, air brakes, and electrical systems
  • Familiarity with vehicle diagnostic equipment
  • Excellent understanding of mechanical and technical information
  • Strong verbal and written communication skills
  • Great interpersonal skills
  • Ability to use hand tools and perform physically demanding tasks

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