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Heavy Commercial Trailer Technician

Working as a Heavy Commercial Trailer Technician you would carry out diagnostic procedures, servicing and repairing systems including brakes, suspension, tyres and mechanical connections.

Summary of Training

  • Follow environmental and sustainability best practice in an automotive workplace
  • Follow safe working practices in an automotive workplace
  • Install vehicle lighting and wiring systems
  • Test and repair basic electrical circuits
  • Diagnose and repair vehicle dynamic control systems
  • Diagnose and repair heavy vehicle air braking systems
  • Diagnose and repair heavy commercial vehicle suspension systems
  • Remove, inspect and refit heavy vehicle wheel and tyre assemblies
  • Diagnose and repair mechanical connections of heavy vehicles and trailers over 4.5 tonnes
  • Inspect and service hydraulic systems
  • Carry out diagnostic procedures
  • Use and maintain tools and equipment in an automotive workplace
  • Respond to customer needs and enquiries in an automotive workplace
  • Read, interpret and apply engineering drawings
  • Install basic ancillary electrical systems and components
  • Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems
  • Select heavy vehicle tyres, wheels and rims for specific applications
  • Remove, inspect, repair and refit heavy vehicle tyres and tubes
  • Diagnose and repair heavy commercial trailer electronically controlled roll stability systems
  • Carry out servicing operations
  • Install hydraulic systems to specified applications
  • Assemble and fit braking system components
  • Inspect, service and repair auxiliary braking systems
  • Inspect and service suspension systems
  • Balance wheels and tyres
  • Carry out basic gas metal arc welding
  • Carry out oxyacetylene welding, thermal heating and cutting
  • Install vehicle components

Please note that this Job & Training Description provides an example of the selection of non-core units. Alternative combinations of units may be selected and in some cases prerequisite units may need to be completed. For advice contact Apprenticeship Network providers or an approved Registered Training Organisation.

This Australian Apprenticeship occupation may attract incentives under the Australian Government Australian Apprenticeships Incentives Program. For more information contact an Apprenticeship Network provider, call the Australian Apprenticeships referral line on 13 38 73, or look at the National Skills Needs List.

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Employment and wage data for this industry

Commencements Change

The change in Australian Apprenticeships commencements in this overall industry in the past two years. Commencements in 18/19: 11401

Source: VOCSTATS, extracted on 3/07/2020. AATIS analysis.

Graduate Employment

Australian Apprentice graduates from this overall industry in employment (in any industry).

Source: NCVER National Student Outcomes Survey, 2017, unpublished. AATIS analysis.

Graduate Wage

Average wage of Australian Apprentice graduates from this overall industry employed full-time after training.

Source: NCVER National Student Outcomes Survey, 2017, unpublished. AATIS analysis.

Industry Growth

Growth in employment in this overall industry in the past 5 years.

Source: Department of Education, Skills and Employment, 2019. AATIS analysis.

Industry Size

The number of employees in this overall industry compared with other Australian industries.

Source: Department of Education, Skills and Employment, 2019. AATIS analysis.

Industry Wage

Average wage of employees in this overall industry.

Source: Department of Education, Skills and Employment, 2019. AATIS analysis.

Availability Information

Heavy Commercial Trailer Technician - AUR31816
Full Time

(Nominal Duration)

36 mths 48 mths 48 mths 48 mths 48 mths 48 mths 48 mths
Part Time
Commencements 0 5 5 0 0 0 0 0
Availability of Australian Apprenticeships and Nominal Duration (in months)

A Qualification registered by a State or Territory as available as an Australian Apprenticeship may not be eligible for public funding support, check with the relevant State or Territory Training Authority.

Nominal durations listed are for full time occupations, stated in months. In some cases nominal durations provided may not include the completion of pre-requisites. This data is sourced from State and Territory Training Authorities and is provided for information only and must be confirmed with these authorities.


Commencement data source: National Apprentices and Trainees collection, VOCSTATS, extracted 24/06/2020, rounded estimates for Jan 2019 to Dec 2019. This data is for general information purposes only.

Australian School-based Apprenticeships (ASbA)

This information generally reflects availability of ASbAs that may contribute to study scores. In some cases full-time or part-time ASbAs allow an individual to start training in a qualification that can be completed after they leave secondary school. Please note that applicable industrial arrangements must allow for ASbAs. Visit our Australian School-based Apprenticeships page for more detailed information.

Next Steps

Who to contact next ...

Search for an Apprenticeship Network provider or Group Training Organisation in your area to ask for more information about apprenticeships and traineeships.

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Where to ask wages questions ...

The Fair Work Ombudsman is the source of information on wages across industries and occupations. The FWO provides apprenticeship and traineeship specific information.

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Training provider and incentives information

Each state and territory lists Registered Training Organisations they approve to deliver apprenticeships and traineeships. Access these sites here, as well as information on incentives.

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