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Become A Trailer Mechanic

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Working As A Trailer Mechanic

  • Repairing and Maintaining Mechanical Equipment
  • Getting Information
  • Operating Vehicles, Mechanized Devices, or Equipment
  • Inspecting Equipment, Structures, or Material
  • Evaluating Information to Determine Compliance with Standards
  • Outdoors/walking/standing

  • $44,520

    Average Salary

What Does A Trailer Mechanic Do At Werner Enterprises

* Remove and replace brakes, brake drums, hubs, seals, bearings, races, and associated parts.
* Troubleshoot and repair electrical systems and lighting systems and associated parts.
* Repair or replace chassis components such as, springs, spring hangers, equalizers, complete slider assemblies, axles, sub frames and its associated parts, air bags and air system components.
* Repair or replace ICC's, ICC braces, mud flap brackets, dolly leg assemblies, and any other associated part by means of welding or cutting with oxy-acetylene torch.
* Repair or replace flooring, rub rails, doors and door trim, and minor repairs to roofs, panels, nose panels, lower and upper rails, and all associated parts.
* Service and maintain refrigerated units, such as, changing oil, filters minor engine components, and any associated parts.
* Clean own personal area during and at the end of each shift.
* Assist in performing any task outside those not listed in primary job functions.
* Timely and regular attendance according to the scheduled shift as determined by supervisory personnel.
* Qualifications KNOWLEDGE

What Does A Trailer Mechanic Do At Great Dane

* Responsible for repairs and required preventive maintenance of trailers
* Build, rebuild and repair all parts of trailer equipment, as may be required in the department assigned to
* Inspect, trouble shoot, diagnose, and perform maintenance on equipment
* Must furnish own hand tools
* Must be able to use hand tools and test equipment
* Physical activities include: walking, lifting, twisting, turning, climbing a ladder, etc
* Repair or replace defective parts, components or systems
* Test repaired equipment for proper performance and to ensure that the work meets manufacturer s specifications and legislated regulations

What Does A Trailer Mechanic Do At Jewel-Osco

* Experience with the inspection, maintenance and repair of trailer refrigeration units.
* Perform preventative maintenance on trailers both refrigerated and non.
* Troubleshoot and repair equipment problems.
* Repair any equipment problems and answer drivers’ telephone request for assistance with equipment failure while out on the road.
* Maintain and repair all equipment to include engine, starting and charging, electrical, body, wheels, brakes, suspension and interior.
* Must supply own tools up to 1 ¼ “size with the proper tool box, including air tools.
* Follow company procedures and ensure a safe work environment.
* Responsible for performing all job duties with honesty and integrity

What Does A Trailer Mechanic Do At Isaac Tire & Trailer, Inc.

* Repair all systems on Semi
* TrailersRemove and replace brakes, brake drums, hubs, seals, bearings, races, and associated partsRepair electrical and lighting systemsRepair or replace chassis component such as springs, spring hangers, equalizers, complete slider assemblies, axles, and sub framesRepair mud flap brakes and dolly leg assembliesRepair and replace flooring, rub rails, doors and door trimRepairs to roofs, panels, nose panels, lower and upper rails
* Welding (Stick and Mig)Able to TorchAble to troubleshoot trailer issues including air systems Equal Opportunity

What Does A Trailer Mechanic Do At Dollar General

* Maintain repairs for Class 8 Trailers and Yard Tractors
* Diagnose and repair all aspects of Equipment ( Trailers, Yard Tractors)
* Performs preventative maintenance.
* Perform D
* O.T inspections and compliancy
* Meets and maintains safety, quality and productivity standards

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How To Become A Trailer Mechanic

Most diesel technicians learn informally on the job after a high school education, but employers increasingly prefer applicants who have completed postsecondary training programs in diesel engine repair. Although not required, industry certification can demonstrate a diesel technician’s competence and experience.


Most employers require a high school diploma or equivalent. High school or postsecondary courses in automotive repair, electronics, and mathematics provide a strong educational background for a career as a diesel technician.

An increasing number of employers look for workers with postsecondary training in diesel engine repair. Many community colleges and trade and vocational schools offer certificate or degree programs in diesel engine repair.

Programs mix classroom instruction with hands-on training, including the basics of diesel technology, repair techniques and equipment, and practical exercises. Students also learn how to interpret technical manuals and electronic diagnostic reports.


Diesel technicians who begin working without any postsecondary education are trained extensively on the job. Trainees are assigned basic tasks, such as cleaning parts, checking fuel and oil levels, and driving vehicles in and out of the shop.

After they learn routine maintenance and repair tasks and demonstrate competence, trainees move on to more complicated subjects such as vehicle diagnostics. This process can take from 3 to 4 years, at which point a trainee is usually considered a journey-level diesel technician.

Over the course of their careers, diesel technicians must learn to use new techniques and equipment. Employers often send experienced technicians to special training classes conducted by manufacturers and vendors to learn about the latest diesel technology.

Licenses, Certifications, and Registrations

Certification from the National Institute for Automotive Service Excellence (ASE) is the standard credential for diesel and other automotive service technicians and mechanics. Although not required, this certification demonstrates a diesel technician’s competence and experience to potential employers and clients, and often brings higher pay.

Diesel technicians may be certified in specific repair areas, such as drive trains, electronic systems, or preventative maintenance and inspection. To earn certification, technicians must have 2 years of work experience and pass one or more ASE exams. To remain certified, diesel technicians must pass a recertification exam every 5 years.

Many diesel technicians are required to have a commercial driver’s license so they may test-drive buses and large trucks.

Important Qualities

Customer-service skills. Diesel technicians frequently discuss automotive problems and necessary repairs with their customers. They must be courteous, good listeners, and ready to answer customers’ questions.

Detail oriented. Diesel technicians must be aware of small details when inspecting or repairing engines and components, because mechanical and electronic malfunctions are often due to misalignments and other easy-to-miss causes.

Dexterity. Mechanics need a steady hand and good hand-eye coordination for many tasks, such as disassembling engine parts, connecting or attaching components, or using hand tools.

Mechanical skills. Diesel technicians must be familiar with engine components and systems and know how they interact with each other. They often disassemble major parts for repairs, and they must be able to put them back together properly.

Organizational skills. Diesel technicians must keep workspaces clean and organized in order to maintain safety and ensure accountability for parts.

Strength. Diesel technicians often lift heavy parts and tools, such as exhaust system components and pneumatic wrenches.

Troubleshooting skills. Diesel technicians must be able to use diagnostic equipment on engine systems and components in order to identify and fix problems in increasingly complicated mechanical and electronic systems. They must be familiar with electronic control systems and the appropriate tools needed to fix and maintain them.

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Trailer Mechanic jobs

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Trailer Mechanic Demographics


  • Male

  • Female

  • Unknown



  • White

  • Hispanic or Latino

  • Asian

  • Unknown

  • Black or African American

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Languages Spoken

  • Spanish

  • Carrier

  • Dakota


Trailer Mechanic

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Trailer Mechanic Education

Trailer Mechanic

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Top Skills for A Trailer Mechanic


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Top Trailer Mechanic Skills

  1. Semi Trailers
  2. Wheel Seals
  3. Safety Inspections
You can check out examples of real life uses of top skills on resumes here:
  • Performed preventative and general maintenance on Semi Trailers.
  • Install wheel seals and brakes on trailers.
  • Perform safety inspections of equipment and prepare safety documentation.
  • Brake jobs, repair airline, electrical work, body work, weld stainless, aluminum and other metals.
  • Shielded metal arc welding with 7018 rod, (GMAW) MIG mild steel, stainless steel and aluminum.

Top Trailer Mechanic Employers

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