AUR31120 Certificate III in Heavy Commercial Vehicle Mechanical Technology
Get started on your career in heavy machines
On completion of this course, you will have the skills and knowledge to carry out diagnostic procedures and undertake appropriate repairs, identifying and applying safe work practices in the heavy automotive industry.

This course is part of the Lower fees, local skills initiative. From 1 January 2020 through to 31 December 2025 you'll only pay half the course fees, capped at $1,200; or $400 if you're aged 15—24 or eligible for a concession, plus resource fees and other fees that may apply to your course.
For more information click here
Overview
Campus Albany | Esperance | Bunbury
When All year round
Study Mode Apprenticeship
When you complete this course, you will be ready for a career in the heavy automotive sector. You will have the skills and knowledge to carry out diagnostic procedures and undertake appropriate repairs, identifying and applying safe work practices in the heavy automotive industry. This course will expand your knowledge and practical skills specific to heavy commercial vehicles, including steering, braking and hydraulic systems. (NB. You will need to be employed and registered as an apprentice/trainee before you can undertake this course).
- You are seeking a hands-on trade career servicing and fixing all things in the heavy automotive and plant machinery industries - trucks, dozers, excavators, cranes, loaders, drilling rigs.
- You want to gain qualifications as a Heavy Diesel Motor Mechanic.
Then this is the course for you.
To make an informed choice about the suitability of this course, please consider the essential skills and knowledge below. You must:
- Demonstrate technical and mechanical aptitude.
- Enjoy manual hands-on work and have a good level of physical fitness.
- Show your ability to communicate with others and interact with customers.
- Have ability to work independently as well as in a team environment.
- Be able to follow instructions and Work Health and Safety procedures.
- Have good analytical and problem-solving skills.
- Display good hand-eye coordination.
- Have good vision and hearing.
- Have basic reading, writing and mathematical skills.
When you complete this course, you will have skills and knowledge in heavy automotive diagnostic procedures and undertake appropriate repairs, identifying and applying safe work practices. You will ensure that all parts are fully functional, from the mechanical equipment, engine, cooling systems, steering and suspension systems, and even electrical circuits.
Time Commitment – You will need to allocate appropriate time to complete this course. This includes attending classes on campus as outlined in your training plan; and undertake independent study outside of class hours, including private study, assessment preparation, research, and complete assessment requirements.
Below are some of the important personal skills you will be required to develop and demonstrate during training. These skills are highly valued by industry:
- Respectful Communication - Interact with people from different backgrounds, share ideas effectively and build trust.
- Teamwork – Collaborate with others, show them respect, and be open to feedback.
- Problem Solving - There is always a solution. How do you respond to a challenge? If you spot a problem, we encourage you to ask questions, clarify as needed, and respond appropriately within your training.
- Initiative - Stay motivated, take proactive steps, and seek help when necessary.
- Planning - Manage time well. Knowing how to prioritise and completing your tasks efficiently are crucial for your success.
- Self-Management - Reflect on your performance. Reflection is a powerful tool for growth and success as a student at South Regional TAFE. Being a professional in the workplace can mean learning when to accept responsibility for your failures as often as your successes. This is how we learn!
- Learning – Recognise what your strengths already are. Then embrace all the new knowledge and experience from your South Regional TAFE journey to grow as a student. Some of the skills you will learn include:
- Workplace safety and environmentally sustainable work practices
- Use and maintain tools and equipment in an automotive workplace
- Select and use bearings, seals, gaskets, sealants and adhesives
- Test and repair basic electrical circuits
- Test, charge and replace batteries and jump-start vehicles
- Diagnose and repair many heavy vehicle systems including charging, starting, ignition, braking, steering, clutches, suspension, cooling, engines, drive shafts and emission control.
- Service heavy vehicles
- Inspect and service engines, final drive assemblies, diesel fuel injection and hydraulic systems
- Carry out welding
- Technology - Adapt to new tools, access digital resources, and integrate technology into your learning.
Select your preferred campus and apply
All year round, 2026
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURAFA103 | Communicate effectively in an automotive workplace |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTJ103 | Remove, inspect and refit heavy vehicle wheel and tyre assemblies |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURKTA111 | Diagnose and repair mobile plant hydraulic systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
AURVTW109 | Carry out basic gas metal arc welding |
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURETK002 | Use and maintain electrical test equipment in an automotive workplace |
AURETR132 | Diagnose and repair automotive electrical systems |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTD104 | Carry out heavy vehicle wheel alignment operations |
AURHTE001 | Remove and install heavy vehicle engine assemblies |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURAFA103 | Communicate effectively in an automotive workplace |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTJ103 | Remove, inspect and refit heavy vehicle wheel and tyre assemblies |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURKTA111 | Diagnose and repair mobile plant hydraulic systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
AURVTW109 | Carry out basic gas metal arc welding |
All year round, 2025
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURETK002 | Use and maintain electrical test equipment in an automotive workplace |
AURETR132 | Diagnose and repair automotive electrical systems |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTD104 | Carry out heavy vehicle wheel alignment operations |
AURHTE001 | Remove and install heavy vehicle engine assemblies |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURAFA103 | Communicate effectively in an automotive workplace |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTJ103 | Remove, inspect and refit heavy vehicle wheel and tyre assemblies |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURKTA111 | Diagnose and repair mobile plant hydraulic systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
AURVTW109 | Carry out basic gas metal arc welding |
Details
Units
Not all units and study modes are offered at all campuses. Please check with your local campus.
Core
National ID | Unit title |
---|---|
AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace |
AURASA102 | Follow safe working practices in an automotive workplace |
AURETR112 | Test and repair basic electrical circuits |
AURETR122 | Diagnose and repair vehicle dynamic control systems |
AURETR124 | Diagnose and repair compression ignition engine management systems |
AURETR125 | Test, charge and replace batteries and jump-start vehicles |
AURETR129 | Diagnose and repair charging systems |
AURETR130 | Diagnose and repair starting systems |
AURHTB101 | Diagnose and repair heavy vehicle air braking systems |
AURHTD102 | Diagnose and repair heavy vehicle steering systems |
AURHTD103 | Diagnose and repair heavy vehicle suspension systems |
AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines |
AURHTQ103 | Diagnose and repair heavy vehicle drive shafts |
AURHTZ101 | Diagnose and repair heavy vehicle emission control systems |
AURTTA006 | Inspect and service hydraulic systems |
AURTTA104 | Carry out servicing operations |
AURTTA118 | Develop and carry out diagnostic test strategies |
AURTTC103 | Diagnose and repair cooling systems |
AURTTF102 | Inspect and service diesel fuel injection systems |
AURTTF105 | Diagnose and repair engine forced-induction systems |
AURTTK102 | Use and maintain tools and equipment in an automotive workplace |
AURTTQ001 | Inspect and service final drive assemblies |
Elective
National ID | Unit title |
---|---|
AURAFA103 | Communicate effectively in an automotive workplace |
AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems |
AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems |
AURHTJ103 | Remove, inspect and refit heavy vehicle wheel and tyre assemblies |
AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies |
AURHTX101 | Diagnose and repair heavy vehicle manual transmissions |
AURHTX104 | Diagnose and repair heavy vehicle clutch systems |
AURKTA111 | Diagnose and repair mobile plant hydraulic systems |
AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives |
AURTTE104 | Inspect and service engines |
AURTTK001 | Use and maintain measuring equipment in an automotive workplace |
AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting |
AURVTW101 | Carry out manual metal arc welding on components |
AURVTW109 | Carry out basic gas metal arc welding |