How to become a Heavy Vehicle Motor Mechanic

Heavy vehicle motor mechanics repair, maintain and test heavy vehicles, other engines and related mechanical components.

Personal requirements of a Heavy Vehicle Motor Mechanic

  • Enjoy practical and manual activities
  • Mechanical aptitude
  • Good at mathematics
  • Able to cope with the physical demands of the job

Education & Training for a Heavy Vehicle Motor Mechanic

To become a heavy vehicle motor mechanic, you usually have to complete an apprenticeship. Entry requirements may vary, but employers generally require Year 10.

Duties & Tasks of a Heavy Vehicle Motor Mechanic

Heavy Vehicle Motor Mechanics:

  • diagnose, overhaul, repair, tune, maintain and test diesel, petrol and gas-powered vehicles
  • detect mechanical and electrical faults by using instruments that check charging and starting circuitry, batteries, ignition and ignition timing, fuel injection systems and speed control, cylinder compression, engine condition, braking efficiency, and wheel balance and alignment
  • repair and maintain the hydraulic components of diesel, petrol and gas engines that are used to power attachments such as hoists, booms, scrapers, buckets and augers
  • use oxy, ARC, TIG and MIG welding, hand-fitting or machining processes to replace or repair faulty parts.

Working conditions for a Heavy Vehicle Motor Mechanic

Heavy vehicle motor mechanics may work on trucks, buses, agricultural machinery, earthmoving equipment, and stationary engines, including generators, pumps, compressors and drilling rigs. They may have to work in regional areas when repairing agricultural, earthmoving and heavy transport machinery.

Employment Opportunities for a Heavy Vehicle Motor Mechanic

Heavy vehicle motor mechanics are employed mainly by machinery dealers, some service stations, heavy vehicle repairers, road transport firms, bus companies and the minerals industry. Public and privatised authorities, such as those concerned with defence, communications, energy supply, public works and transport, also employ heavy vehicle motor mechanics. Some heavy vehicle motor mechanics may establish their own business.

Avg. weekly wage:


Future growth:


Employment by state:

ACT ACT 1.3%


NT NT 1.5%

QLD QLD 17.8%

SA SA 8.9%

TAS TAS 2.4%

VIC VIC 30.9%

WA WA 13.2%

Hours worked:



Lower unemployment

Gender split:

Male 98.9%

Female 1.1%

Education level:

Not completed Year 12: 12.7%

Highest qualification is secondary school: 7%

Highest qualification is a Certificate 3 or 4: 72.5%

Highest qualification is a Diploma or Advanced Diploma: 5.7%

Highest qualification is a Bachelor degree: 2.1%

Age brackets:

15-19 - 5.6%

20-24 - 15.4%

25-34 - 25%

35-44 - 18%

45-54 - 18.2%

55-59 - 9.9%

60-64 - 5.4%

65 and Over - 2.5%

*The data above is sourced from the Department of Employment’s Job Outlook website.

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