What Does a Truck Trailer Service Technician Do?

Truck Trailer Service Technicians (310J) service, repair, overhaul, diagnose and inspect truck-trailers and their various related systems and components.

Job Related Skills, Interests and Values

  • Reviewing work orders and discussing work to be performed with the supervisor
  • Inspecting, diagnosing and repairing: electrical systems; landing gear assemblies and trailer frames; hitching/coupling systems; trailer bodies; suspensions systems; tires, wheels, hubs and axles; air and auxiliary systems; braking systems; heating and refrigeration systems as well as ventilation devices and hydraulic systems
  • Using hand tools and various specialized diagnostic equipment to diagnose,  isolate and repair faults
  • Testing and adjusting repaired systems to manufacturer's performance specifications
  • Performing scheduled maintenance service
  • 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 operating manuals and service specifications
  • Keeping up-to-date on technology and upgrading skills as required

You may find additional information about this trade and applicable standards at the Ontario College of Trades (OCOT) website – follow this sector link:http://www.collegeoftrades.ca/membership/resources/training-standards

To view the Essential Skills necessary for someone to work in this occupation, click on the following link for NOC code 7321:


What Preparation and Training Do You Need?

To become a Truck Trailer Service Technician, Grade 12 or the equivalent (GED or ACE) is required under the Ontario College of Trades Apprenticeship Act (2009). It would be beneficial to have credits in math, English and related subjects such as in-school technical programs, coop programs or the OYAP program a definite asset. You must complete a 4000 hour of on-the-job training as well as two 8 week blocks of in-school training for a total of 4480 hours. You may complete your in-school training at a community college such as Centennial College.

What’s Your Future as a Truck Trailer Service Technician?

Most Truck Trailer Service Technicians work full-time, 40 hours per week with a single employer. Some may work in mobile units. The job involves exposure to pollutants such as noise, liquids, fumes and odours, and there is always some risk of injury involved in working around large equipment. Employment in this trade is expected to grow as fast as the average for all occupations through the year 2007 due to a large number of retiring tradespeople. Employers who hire Truck-Trailer Service Technicians include:

  • Trailer Manufacturers
  • Sales and Repair Facilities & Garages
  • Municipally, Provincially or privately owned Trucking, Bus or Transportation Companies

Wage Rate

  • Apprentices generally earn less than fully qualified Journeypeople
  • Wages increase as your ability and productivity increase
  • Fully qualified Truck Trailer Service Technicians can earn in a range of $10.25-$29.00 per hour depending on the geographic area where they work


Ask Yourself: Is Working as a Truck Trailer Service Technician for You?

Can you lift, stoop, bend, kneel and work in confined spaces?

Yes      No

Do you enjoy tinkering and fixing engines and other equipment?

Yes      No

Do you like finding out why something doesn't work, and then fixing it?

Yes      No

Do you like working with your hands, using a variety of tools?

Yes      No

Can you communicate effectively with co-workers, supervisors or customers?

Yes      No

Do you enjoy keeping up with and learning about new technology?

Yes      No

Do you have the physical stamina to be on your feet, standing on concrete flooring, bending down and reaching up frequently? 

Yes      No

If you answered Yes to most of these questions, a career as a Truck Trailer Service Technician may be for You!

You may also want to explore other careers that require similar interests and skills, such as:

  • Automotive Service Technician
  • Transmission Technician
  • Truck & Coach Technician


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