Skip to main content
Menu Menu

AUR31120 Certificate III in Heavy Commercial Vehicle Mechanical Technology

National ID: AUR31120 State ID: BGA2
Share this course on your social media page

Interested in a career in the heavy automotive industry?

Undertaken as part of a 4 year apprenticeship, this qualification enables participants to become a heavy diesel mechanic, servicing and repairing trucks, buses and earthmoving equipment in the automotive industry.

Throughout this course, participants will apply their practical skills, while gaining an understanding of how to inspect and service engines, test, use and maintain equipment, and diagnose and repair a range of mechanical problems. You will gain the knowledge to ensure the smooth operation of heavy vehicles and heavy machinery.

Training is delivered in a modern workshop facilities with industry standard tools and equipment, on actual vehicles.

Throught the course you will gain skills in:

  • Workplace safety fundamentals 
  • Communication skills 
  • Repair electrical circuits, charging and ignition systems 
  • Repair steering, hydraulic braking, suspension, cooling systems and engines in heavy vehicles 
  • Servicing operations 
  • Diagnostic test strategies 
  • Heavy vehicle tyres and tubes repairs, drive assemblies
  • Heavy vehicle transmissions, clutch, drive shafts 

You want to specialise in the heavy automotive industry, enjoy working with machinery, and like hands on, practical work.


This qualification is directly aligned with priority industry areas where jobs are today, and into the future. As part of the state government Lower fees, local skills initiative, from 1 January 2020 through to 31 December 2025 you'll only pay half the tuition fees (plus resource fee) capped at $1,200; or $400 if you're aged 15—24 or eligible for a concession. For full details see our Half price courses page.

^ You will pay half price for the course fees on the Lower fees, local skills courses, however other fees may apply such as for resources that are specifically needed for your training.

Not all units and study modes are offered at all campuses. Please check with your local campus.

This qualification can only be obtained by fulfilling the obligations of an apprentice under a training contract, or a person seeking recognition of prior learning (RPL) under s60I of the VET Act.

For information on becoming an apprentice click here(opens in a new tab) ; for information on RPL click here(opens in a new tab) .

Learners are required to attend the face-to-face classes and practical workshops in blocks over 3 years.


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


National ID Unit title
AURHTB002 Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems
AURHTF102 Diagnose and repair heavy vehicle diesel fuel injection systems
AURHTJ106 Remove, inspect, repair and refit heavy vehicle tyres and tubes
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
AURHTY001 Inspect and service mechanical connections of heavy vehicles and trailers over 4.5 tonnes
AURTTA113 Diagnose and repair hydraulic systems
AURTTE104 Inspect and service engines
AURTTK001 Use and maintain measuring equipment in an automotive workplace
AURTTX103 Inspect and service automatic transmissions
AURTTZ102 Diagnose and repair exhaust systems
AURVTW018 Carry out oxyacetylene welding, thermal heating and cutting
AURVTW101 Carry out manual metal arc welding on components

This qualification prepares you for roles such as:

  • Heavy Duty Mechanical
  • Mine work
  • Civil Mechanic

Job titles and qualification requirements may vary between organisations.

For more information about job and career pathways, visit Labour Market Insights(opens in a new tab) or Jobs and Skills WA(opens in a new tab) .



Tuition fee*

Resource fee

Total fee









Our estimated fees are based on:

  • Full time study in 2023
  • A selection of elective units designed to meet local industry demand for skills (different unit selections will attract different fees)
  • For more information regarding eligibility and fees, please visit DTWD website 

These fees are estimates only and depend on your eligibility for government funding, concession rates, the units you choose to study or seek to be recognised under Recognition of Prior Learning (RPL). Additional resource, material and/or equipment costs may apply. Visit our Fees and Charges page for more information, including on consumer rights.

Delivery locations and study options

Duration 3 years
When Date: 2023
Where Pundulmurra Campus

Register your interest now