What does a Truck Trailer Service Technician (310J) do?

Truck-Trailer Service Technicians service, repair, overhaul, diagnose, and inspect truck-trailers and the related systems and components.

Job Related Skills, Interests and Values

  • Reviewing work orders and discussing work to be performed with supervisor
  • Inspecting, diagnosing, and repairing:
    • Electrical systems
    • Landing gear assemblies and trailer frames
    • Hitching/coupling systems
    • Trailer bodies
    • Suspension systems
    • Tires, wheels, hubs, and axles
    • Air and auxiliary systems, braking systems, heating and refrigeration systems, hydraulic systems, and ventilation devices
  • Using hand tools and specialized diagnostic equipment to diagnose, isolate, and repair faults
  • Performing scheduled maintenance service
  • Testing and adjusting repaired systems to manufacturer performance specifications
  • Advising customers on work performed, general trailer condition, and future work required
  • Communicating effectively with co-workers, customers, and service managers
  • Reading and interpreting owner/operator/manufacturer manuals and service specifications
  • Keeping up-to-date on technology and upgrading skills as required

What Preparation and Training Do You Need?

  • Secondary school diploma or equivalent; math and English credits an asset
  • Co-op, pre-apprenticeship, or technical courses would be helpful
  • Completion of 4,480-hour apprenticeship, including on-the-job and in-school training
  • Exam to obtain Certificate of Qualification

What's Your Future as a Truck Trailer Service Technician (310J)?

  • Full-time, year-round work with single employer; some may work in mobile units
  • Exposure to pollutants like noise, liquids, fumes, and odours; risk of injury from heavy equipment
  • Employers include trailer manufacturers; sales and repair facilities or garages; and municipally, provincially, or privately owned trucking, bus, and transportation companies

Wage Rate

Apprentice wage increases with skill and experience. Fully qualified workers earn up to $29.00 per hour, depending on location.

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