Diesel Mechanic

Job Description

Diesel mechanics are responsible for maintaining and repairing vehicles and other machinery that run on diesel fuel. These machinery differ from petrol powered engines–including carrying out inspections, repairs, servicing and overhauls. Their duties include running diagnostic tests on vehicles, test driving vehicles to gauge performance and maintaining detailed records of the vehicles they have serviced.

Careers Ladder


Being mechanically inclined is a good start for those who want to learn how to become a diesel mechanic.

No formal qualification are required but, employers generally prefer it.

Consider enrolling in a pre-apprenticeship course such as the Certificate II in Automotive Servicing Technology.

Other options to supplement your on-the-job training, including:

  • Certificate III in Automotive Diesel Engine Technology and
  • Certificate III in Heavy Commercial Trailer Technology
  • Diploma of Automotive Technology


  • Autonomy
  • Communicator
  • Dedicated
  • Precise
  • Problem Solving
  • Reliability
  • Team Player
  • Versatile

Key Skills

  • Vehicle Servicing
  • Dismantling
  • Diagnose & Testing
  • Heavy Vehicle
  • Forklift
  • Maintenance

Future Prospects

Career advancement in this field can lead to other roles such as: