Course Info

Certificate III in Heavy Commercial Vehicle Mechanical Technology

National Course Code: AUR31116


Love the sound of a revving engine and to get your hands dirty? Then the nationally accredited Certificate III in Heavy Commercial Vehicle Mechanical Technology is for you. Learn to repair, maintenance and replace parts and become a trade qualified heavy diesel mechanic.


Through a mix of theory and practical coursework, learn to:

  • Identify charging systems, starting systems and electrical systems
  • Manage ignition engines and other systems
  • Diagnose brake, steering and suspension systems
  • Repair clutches, transmissions and drivelines


Develop the attributes to help you get ahead:

  • Strong technical and mechanical aptitude
  • Interpersonal skills
  • Sharp problem-solving skills
  • A keen eye for detail


Completing this course provides you with:

  • A nationally recognised trade qualification at Certificate III level
  • Eligibility to apply for your tradesperson certificate (licence) through Service NSW

Career opportunities:

  • Heavy diesel mechanic
  • Heavy diesel technician


This course qualifies you to work as an automotive mechanic tradesperson. Expand your opportunities with these further study options:

  • Certificate IV in Automotive Mechanical Diagnosis
  • Certificate IV in New Small Business

This course is superseded. You can still enrol in this course, and you will be contacted if you need to transition into the next version when it is available.

Course details

People who are successful in this industry have:

  • A keen interest in mechanical operations
  • Good problem solving abilities
  • An attention to detail
  • A curious nature
  • The ability to work as part of a team
  • Good communication skills

Assessments give you the opportunity to demonstrate what you have learned and to identify the knowledge or skills that may need further development. In this course you will undertake:

  • Written assessments: written or computer based knowledge assessments and project assignments
  • Practical assessments: workshop based skills assessments

Skills gained in the workplace may be recognised as evidence to contribute towards skills assessments.

The Certificate II in Automotive Vocation is an entry level qualification that provides no exposure to simulated or real world. It does cover your foundational skills for the mechanics industry, and will give you a taste of what an automotive career could be like.

This course, the Certificate III in Heavy Commercial Vehicle Technology, is where youll gain all your underpinning experience in heavy vehicle mechanics. It is a trade level course and provides real world exposure where you will apply what youre learning in real and simulated environments.

The Certificate IV in Automotive Mechanical Diagnosis doesnt cover the underpinning experience gained in the Certificate III. This course focuses on diagnostics at an advanced level, and depending on your location, management and supervisory skills. You do need to complete the Certificate III before enrolling into the Certificate IV.

Your employment as an apprentice in the heavy vehicle industry provides you with daily behind the scenes experience, while working on a variety of tasks with skilled industry trade people.

You will gain hands-on experience in:

  • Using hand and power tools
  • Using workshop tools and equipment
  • Diagnosing and repairing automotive mechanical, pneumatic and electrical systems
  • Critical thinking
  • Multi-tasking
  • Working independently and collaboratively

TAFE NSW is known for delivering theory along with practical, hands-on learning. You will work on real world projects in a simulated work environment. These include:

  • Carrying out tasks that you will be doing in your job role
  • Work health and safety

You will learn in TAFE NSW classrooms and train in state-of-the-art simulated purpose-built workshops that have the facilities, equipment, resources and tooling to replicate the conditions and pressures of a real workplace.

The motor industry is calling out for heavy vehicle mechanics to take the wheel and excel in servicing, maintaining and repairing heavy vehicles that have new and emerging technologies. The ever evolving industry means you will always have employment vacancies and the opportunity to push yourself further.

This course focuses on meeting todays rapidly evolving technology advances while preparing for the future. Changing industry, government and environmental standards and ongoing technological advancement mean that you need to be skilled to meet what the future has in store. Heavy vehicles are getting longer and are now carrying more weight than ever. This has seen the increase in electronic controls to ensure this can be done safely and without damage to roadways or interfering with other road users.

  • Nationally Recognised Training
  • Apprenticeship Allowed

This course is superseded

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