Qualification Outline

Date retreived
22/07/2026 5:59 PM AWST

Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.

Certificate III in Heavy Commercial Trailer Technology

Certificate III in Heavy Commercial Trailer Technology

Qualification
National Code:
AUR31812
State Code:
J406
TGA Status:
Replaced
DTWD Status:
Replaced
National Endorsed, State Implementation and Classification
Field of Education
0305 - Automotive Engineering And Technology
Original TGA Release Date
17/01/2013
Approved Date
07/08/2013
Stream of Study
Initial Vocational (3100 - 3600)
VET Act Classifier
C
Nominal Hours
740
Duration
2 Semesters
Current Release Number
1.00
Current Release Date
17/01/2013
VET Act Conditions
—
Releases
Release Version Release Date TGA Status DTWD Status
1.00 17/01/2013 Current Approved
Description

This qualification covers the skills and knowledge required to repair trailers and associated systems within the automotive service and repair sector.

Job roles and employment outcomes
The Certificate III in Heavy Commercial Trailer Technology is intended to prepare new employees or recognise and develop existing workers performing mechanical work in the automotive heavy vehicle service and repair sector.
Employment outcomes targeted by this qualification include:
heavy commercial trailer technicians

Application
This qualification is suitable for an Australian Apprenticeship pathway.

Schedule
Packaging Rules
To be awarded this qualification, competency must be demonstrated in twenty eight (28) units of competency, consisting of:
- twelven (12) core units, plus
- sixteen (16) elective units, of which:
- up to sixteen (16) elective units may be chosen from the elective units list
- up to ive (5) elective units may be chosen from a Certificate II qualification or above in this Training Package or another endorsed Training Package or accredited course, provided that the units chosen contribute to the vocational outcome of this qualification and do not duplicate the outcome of another unit chosen for the qualification.
1. Core Units

All twelve (12) units must be completed.

State Code National Code Title Hours Type
WF032 AURASA2002 Apply safe working practices in an automotive workplace 20 Unit of competency
WF385 AURTTA3018 Carry out diagnostic procedures 30 Unit of competency
WF172 AURHTY3002 Diagnose and repair mechanical connections of heavy vehicles and trailers over 4.5 tonnes 10 Unit of competency
WF104 AURETR3022 Diagnose and repair vehicle dynamic control systems 50 Unit of competency
WF089 AURETR2009 Install, test and repair vehicle lighting and wiring systems 20 Unit of competency
WF008 AURAEA3003 Monitor environmental and sustainability best practice in the automotive mechanical industry 20 Unit of competency
WF156 AURHTJ2003 Remove, inspect, and refit heavy vehicle wheel assemblies 20 Unit of competency
WF136 AURHTB3001 Repair air braking systems 40 Unit of competency
WF145 AURHTD3003 Repair suspension systems (heavy vehicle) 40 Unit of competency
WF374 AURTTA2006 Service hydraulic systems 30 Unit of competency
WF092 AURETR2012 Test and repair basic electrical circuits 30 Unit of competency
WF421 AURTTK2002 Use and maintain workplace tools and equipment 20 Unit of competency
2. Elective Units

Up to sixteen (16) units may be chosen from the elective units list.
Please refer to the packaging rules for the full details of available options.

State Code National Code Title Hours Type
WF398 AURTTB3005 Assemble and fit braking systems and components 30 Unit of competency
WF382 AURTTA3014 Assemble and install pneumatic systems and components 30 Unit of competency
WF418 AURTTJ2001 Balance wheels and tyres 10 Unit of competency
WF577 AURVTW2003 Carry out gas metal arc welding procedures 30 Unit of competency
WF575 AURVTW2001 Carry out manual metal arc welding procedures 20 Unit of competency
WF581 AURVTW2008 Carry out oxy acetylene welding, thermal cutting and thermal heating procedures 30 Unit of competency
WF372 AURTTA2004 Carry out servicing operations 40 Unit of competency
WF012 AURAFA2003 Communicate effectively in an automotive workplace 20 Unit of competency
WF164 AURHTR3005 Diagnose and repair heavy trailer electronically controlled roll stability systems 20 Unit of competency
WF138 AURHTB3007 Diagnose and repair heavy vehicle electronic braking systems 35 Unit of competency
WF137 AURHTB3002 Diagnose and repair heavy vehicle hydraulic braking systems 30 Unit of competency
WF003 AURACA2001 Establish relations with customers 20 Unit of competency
WF090 AURETR2010 Fabricate, test and repair wiring harnesses and looms 55 Unit of competency
WF397 AURTTB2004 Inspect and service air braking systems 20 Unit of competency
WF394 AURTTB2001 Inspect and service braking systems 20 Unit of competency
WF171 AURHTY2001 Inspect and service mechanical connections of heavy vehicles and trailers over 4.5 tonnes 5 Unit of competency
WF406 AURTTD2004 Inspect and service suspension systems 20 Unit of competency
WF399 AURTTB3006 Inspect, service and repair auxiliary braking systems 30 Unit of competency
WF091 AURETR2011 Install and test basic ancillary electrical components 20 Unit of competency
WF379 AURTTA3011 Install hydraulic systems to specified applications 30 Unit of competency
WF380 AURTTA3012 Manufacture and install fluid power hose assemblies 30 Unit of competency
WF034 AURATA2002 Read and interpret engineering drawings 20 Unit of competency
WF158 AURHTJ2006 Remove, inspect, repair and fit tyres and tubes (heavy) 20 Unit of competency
WF381 AURTTA3013 Repair hydraulic systems 40 Unit of competency
WF155 AURHTJ2002 Select heavy vehicle tyres and rims for specific applications 25 Unit of competency
Replaces
State Code National Code Title Type
D790 AUR30611 Certificate III in Automotive Specialist Qualification
Replaced By
State Code National Code Title Type
BAE3 AUR31816 Certificate III in Heavy Commercial Trailer Technology Qualification
No information
Entry Requirements

This qualification may be accessed by direct entry.

Traineeships and Apprenticeships
No information