Certificate III in Heavy Commercial Vehicle Mechanical Technology
AUR31120
Trades & constructionCertificate IIINationally recognised
Level 3AQF level
36Units to complete
1 to 2 yearsAQF length guide
46Training providers
Jul 2026Latest release
Source: training.gov.au · AQF
Qualification details and status from training.gov.au, the national register of vocational education (AUR31120, current release). Typical length is the Australian Qualifications Framework volume-of-learning guide for a Certificate III; actual course length varies by provider and recognition of prior learning.More about our sources: How we check our factsOccupations and industries on the national register
Occupations
Heavy Commercial Vehicle Technician
Industries
Automotive Service and Repair
Source: training.gov.au
As listed for AUR31120 on training.gov.au, the national register of vocational education: the occupations and industry areas in the register's own taxonomy, shown exactly as written. They describe the course on the register; they are not a promise of a job or a pay level.More about our sources: How we check our factsWhat you learn
To finish you complete 36 units: 22 core plus 14 electives. Units come from the official list for this course on the national register.
See all 74 units in the official listHide the unit list
AURAEA002Follow environmental and sustainability best practice in an automotive workplace
AURAFA103Communicate effectively in an automotive workplace
AURAMA001Work effectively with others in an automotive workplace
AURASA102Follow safe working practices in an automotive workplace
AURETH017Work safely with hydrogen in the automotive industry
AURETH018Inspect and maintain hydrogen fuel cell system
AURETH101Depower and reinitialise battery electric vehicles
AURETR052Apply knowledge of Advanced Driver Assistance Systems (ADAS)
AURETR054Diagnose and repair Advanced Driver Assistance Systems (ADAS) and components in vehicles
AURETR112Test and repair basic electrical circuits
AURETR120Diagnose and repair network electronic control systems
AURETR122Diagnose and repair vehicle dynamic control systems
AURETR124Diagnose and repair compression ignition engine management systems
AURETR125Test, charge and replace batteries and jump-start vehicles
AURETR129Diagnose and repair charging systems
AURETR130Diagnose and repair starting systems
AURETR132Diagnose and repair automotive electrical systems
AURETR143Diagnose and repair electronic body management systems
AURETR144Diagnose and repair integrated engine and transmission management systems
AURETR249Scan and calibrate Advanced Driver Assistance Systems (ADAS)
AURETU103Service air conditioning and HVAC systems
AURETU104Diagnose and repair air conditioning and HVAC components
AURETU105Retrofit automotive air conditioning and HVAC systems
AURHTB002Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems
AURHTB101Diagnose and repair heavy vehicle air braking systems
AURHTB107Diagnose and repair heavy commercial vehicle electronic braking systems
AURHTD102Diagnose and repair heavy vehicle steering systems
AURHTD103Diagnose and repair heavy vehicle suspension systems
AURHTD104Carry out heavy vehicle wheel alignment operations
AURHTE001Remove and install heavy vehicle engine assemblies
AURHTE102Diagnose and repair heavy vehicle compression ignition engines
AURHTF102Diagnose and repair heavy vehicle diesel fuel injection systems
AURHTJ203Remove, inspect and refit heavy vehicle wheel and tyre assemblies
AURHTJ206Remove, inspect, repair and refit heavy vehicle tyres
AURHTL101Inspect, diagnose and repair alternative fuel systems in heavy vehicle engines
AURHTQ102Diagnose and repair heavy commercial vehicle final drive assemblies
AURHTQ103Diagnose and repair heavy vehicle drive shafts
AURHTX002Inspect, test and replace heavy vehicle automatic transmissions
AURHTX101Diagnose and repair heavy vehicle manual transmissions
AURHTX103Diagnose and repair heavy vehicle automatic transmissions
AURHTX104Diagnose and repair heavy vehicle clutch systems
AURHTY001Inspect and service mechanical connections of heavy vehicles and trailers over 4.5 tonnes
AURHTY102Diagnose and repair mechanical connections of heavy vehicles and trailers over 4.5 tonnes
AURHTZ101Diagnose and repair heavy vehicle emission control systems
AURTTA006Inspect and service hydraulic systems
AURTTA014Assemble and install pneumatic system components
AURTTA104Carry out servicing operations
AURTTA105Select and use bearings, seals, gaskets, sealants and adhesives
AURTTA113Diagnose and repair hydraulic systems
AURTTA118Develop and carry out diagnostic test strategies
AURTTB004Inspect and service air braking systems
AURTTB006Inspect, service and repair auxiliary braking systems
AURTTB101Inspect and service braking systems
AURTTC002Repair radiators
AURTTC103Diagnose and repair cooling systems
AURTTD002Inspect and service steering systems
AURTTD004Inspect and service suspension systems
AURTTE104Inspect and service engines
AURTTF102Inspect and service diesel fuel injection systems
AURTTF105Diagnose and repair engine forced-induction systems
AURTTK001Use and maintain measuring equipment in an automotive workplace
AURTTK102Use and maintain tools and equipment in an automotive workplace
AURTTL003Install CNG fuel systems
AURTTL009Install LPG fuel systems
AURTTL104Inspect and service LNG fuel systems
AURTTL105Diagnose and repair LNG fuel systems
AURTTQ001Inspect and service final drive assemblies
AURTTX102Inspect and service manual transmissions
AURTTX103Inspect and service automatic transmissions
AURTTZ102Diagnose and repair exhaust systems
AURVTW018Carry out oxyacetylene welding, thermal heating and cutting
AURVTW101Carry out manual metal arc welding on components
AURVTW103Carry out advanced gas metal arc welding on vehicle body sections
AURVTW104Carry out tungsten inert gas welding
Source: training.gov.au
Unit list from the AUR31120 unit grid on training.gov.au, the national register of vocational education, current release. Core and elective packaging rules are set by the course; your provider confirms which electives they offer.More about our sources: How we check our factsWho offers it
46 registered training providers can deliver this course. Pick your state to see local providers first, with everyone who can deliver there below. Or search a name. Each arrow opens the provider's page here, which links to their own website.
Providers are listed alphabetically. A listing is not a recommendation or an endorsement, and providers do not pay to appear. Based-in shows each provider's registered head office; most providers deliver online Australia-wide. The → link opens the provider's page on this site, which links to their own website. Contact the provider for current intakes, fees and study modes.