AUR31120 Certificate III in Heavy Commercial Vehicle Mechanical Technology
Train to Become a Heavy Vehicle Mechanic
Course Overview
This qualification equips students with the technical knowledge and practical skills required to maintain and repair heavy commercial vehicles used across transport, construction and logistics industries.
Students learn how to inspect, diagnose and repair diesel engines, braking systems, transmissions, suspension, steering and electrical components in heavy vehicles using industry tools, diagnostic equipment and workshop procedures.
Training focuses on safety, accuracy and real-world workplace performance.
Entry Requirements
There are no formal academic prerequisites for this qualification; however, applicants should:
- Be at least 16–18 years of age (depending on enrolment pathway)
- Possess basic English communication skills
- Demonstrate basic numeracy skills
- Be physically capable of performing workshop tasks
- Undertake a Language, Literacy and Numeracy (LLN) assessment prior to enrolment
Apprenticeship students must be employed in the automotive industry where required.
Delivery & Assessment Methods
Training is delivered through a combination of:
- Face-to-face classroom instruction
- Practical workshop training
- Simulated workplace tasks
- Written assessments and knowledge questions
- Trainer observation and demonstration of practical skills
Assessment methods reflect real industry work practices.
What You Will Learn
During this course, students develop competencies in:
Heavy Vehicle Mechanical Systems
- Servicing and repairing diesel engines
- Maintaining braking and air systems
- Inspecting driveline, steering and suspension systems
- Performing preventative maintenance on heavy vehicles
Electrical & Diagnostic Skills
- Diagnosing electrical and electronic faults
- Testing starting, charging and lighting systems
- Using diagnostic scan tools and workshop equipment
Workshop & Industry Skills
- Following workplace health and safety procedures
- Using heavy vehicle tools and lifting equipment safely
- Interpreting service manuals and technical specifications
- Working effectively in a heavy vehicle workshop environment
Career Outcomes
Graduates of this qualification may seek employment as:
- Heavy Vehicle Mechanic
- Diesel Mechanic
- Truck Service Technician
- Bus or Fleet Maintenance Technician
- Workshop Assistant
This qualification is recognised across Australia’s transport and logistics sectors.
Pathways
After successful completion, students may progress to:
- AUR40216 Certificate IV in Automotive Mechanical Diagnosis
- Specialisation in diesel systems, fleet maintenance or diagnostics
- Workshop supervisory roles with industry experience
COURSE DETAILS
Qualification Code: AUR31120
RTO Code: 45818
Course Name: Certificate III in Heavy Commercial Vehicle Mechanical Technology
Delivery Mode: Face-to-face training with practical workshop and workplace-style learning
Course Duration: 78 weeks
Location: On Campus
Domestic Students: Yes
Course Units
| Code | Title | Core/Elective |
|---|---|---|
| AURAEA002 | Follow environmental and sustainability best practice in an automotive workplace | Core |
| AURASA102 | Follow safe working practices in an automotive workplace | Core |
| AURETR112 | Test and repair basic electrical circuits | Core |
| AURETR122 | Diagnose and repair vehicle dynamic control systems | Core |
| AURETR124 | Diagnose and repair compression ignition engine management systems | Core |
| AURETR125 | Test, charge and replace batteries and jump-start vehicles | Core |
| AURETR129 | Diagnose and repair charging systems | Core |
| AURETR130 | Diagnose and repair starting systems | Core |
| AURHTB101 | Diagnose and repair heavy vehicle air braking systems | Core |
| AURHTD102 | Diagnose and repair heavy commercial vehicle steering systems | Core |
| AURHTD103 | Diagnose and repair heavy commercial vehicle suspension systems | Core |
| AURHTE102 | Diagnose and repair heavy vehicle compression ignition engines | Core |
| AURHTQ103 | Diagnose and repair heavy vehicle drive shafts | Core |
| AURHTZ101 | Diagnose and repair heavy vehicle emission control systems | Core |
| AURTTA006 | Inspect and service hydraulic systems | Core |
| AURTTA104 | Carry out servicing operations | Core |
| AURTTA118 | Develop and carry out diagnostic test strategies | Core |
| AURTTC103 | Diagnose and repair cooling systems | Core |
| AURTTF102 | Inspect and service diesel fuel injection systems | Core |
| AURTTF105 | Diagnose and repair engine forced-induction systems | Core |
| AURTTK102 | Use and maintain tools and equipment in an automotive workplace | Core |
| AURTTQ001 | Inspect and service final drive assemblies | Core |
| AURAFA103 | Communicate effectively in an automotive workplace | Elective |
| AURAMA001 | Work effectively with others in an automotive workplace | Elective |
| AURETR120 | Diagnose and repair network electronic control systems | Elective |
| AURETR132 | Diagnose and repair automotive electrical systems | Elective |
| AURETR143 | Diagnose and repair electronic body management systems | Elective |
| AURETR144 | Diagnose and repair integrated engine and transmission management systems | Elective |
| AURETU103 | Service air conditioning and HVAC systems | Elective |
| AURETU104 | Diagnose and repair air conditioning and HVAC components | Elective |
| AURETU105 | Retrofit automotive air conditioning and HVAC systems | Elective |
| AURHTB002 | Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systems | Elective |
| AURHTB107 | Diagnose and repair heavy commercial vehicle electronic braking systems | Elective |
| AURHTD104 | Carry out heavy vehicle wheel alignment operations | Elective |
| AURHTE001 | Remove and install heavy vehicle engine assemblies | Elective |
| AURHTF102 | Diagnose and repair heavy vehicle diesel fuel injection systems | Elective |
| AURHTJ103 | Remove, inspect and refit heavy vehicle wheel and tyre assemblies | Elective |
| AURHTJ106 | Remove, inspect, repair and refit heavy vehicle tyres and tubes | Elective |
| AURHTL101 | Inspect, diagnose and repair alternative fuel systems in heavy vehicle engines | Elective |
| AURHTQ102 | Diagnose and repair heavy commercial vehicle final drive assemblies | Elective |
| AURHTX002 | Inspect, test and replace heavy vehicle automatic transmissions | Elective |
| AURHTX104 | Diagnose and repair heavy vehicle clutch systems | Elective |
| AURHTY001 | Inspect and service mechanical connections of heavy vehicles and trailers over 4.5 tonnes | Elective |
| AURHTY102 | Diagnose and repair mechanical connections of heavy vehicles and trailers over 4.5 tonnes | Elective |
| AURTTA014 | Assemble and install pneumatic system components | Elective |
| AURTTA105 | Select and use bearings, seals, gaskets, sealants and adhesives | Elective |
| AURTTA113 | Diagnose and repair hydraulic systems | Elective |
| AURTTB004 | Inspect and service air braking systems | Elective |
| AURTTB006 | Inspect, service and repair auxiliary braking systems | Elective |
| AURTTB101 | Inspect and service braking systems | Elective |
| AURTTC002 | Repair radiators | Elective |
| AURTTD002 | Inspect and service steering systems | Elective |
| AURTTD004 | Inspect and service suspension systems | Elective |
| AURTTE104 | Inspect and service engines | Elective |
| AURTTK001 | Use and maintain measuring equipment in an automotive workplace | Elective |
| AURTTL003 | Install CNG fuel systems | Elective |
| AURTTL009 | Install LPG fuel systems | Elective |
| AURTTL104 | Inspect and service LNG fuel systems | Elective |
| AURTTL105 | Diagnose and repair LNG fuel systems | Elective |
| AURTTX102 | Inspect and service manual transmissions | Elective |
| AURTTX103 | Inspect and service automatic transmissions | Elective |
| AURTTZ102 | Diagnose and repair exhaust systems | Elective |
| AURVTW018 | Carry out oxyacetylene welding, thermal heating and cutting | Elective |
| AURVTW101 | Carry out manual metal arc welding on components | Elective |
| AURVTW103 | Carry out advanced gas metal arc welding on vehicle body sections | Elective |
| AURVTW104 | Carry out tungsten inert gas welding | Elective |
| AURHTX101 | Diagnose and repair heavy vehicle manual transmissions | Elective |
| AURHTX103 | Diagnose and repair heavy vehicle automatic transmissions | Elective |
Why Study With Us
01
Industry-experienced trainers
02
Practical training facilities and equipment
03
Small class sizes for personalised support
04
Real project-based learning
05
Career guidance and job preparation support
06
Industry connections & apprenticeship pathways
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