Cert III AUR31820 Govt Funded

Certificate III in Heavy Commercial Trailer Technology

Trailer Technician — Nationally Recognised Training

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Duration 3–4 years (apprenticeship)
Delivery Workplace-based apprenticeship
Pathway Apprenticeship
Intake Rolling enrolments
Funded States SA · QLD

About this qualification

The Certificate III in Heavy Commercial Trailer Technology covers the service, repair and maintenance of semi-trailers, b-trains and heavy transport trailer assemblies. Suitable for apprentices working at trailer manufacturers, fleet repair depots and heavy transport specialists.

Trailer technicians are a specialist niche within the heavy transport industry. Qualified practitioners are in consistent demand from trailer manufacturers, transport fleet operators and specialised repair workshops.

How it's delivered

Workplace-based training and assessment at your trailer workshop or depot.

What you'll learn

  • Service trailer brake and air systems
  • Service and repair trailer suspension components
  • Inspect and repair trailer structural components
  • Service electrical and lighting systems on trailers
  • Apply coupling and landing gear service procedures

Career outcomes

→ Trailer Technician
→ Heavy Transport Maintenance Technician

Earnings potential

Qualified trailer technicians typically earn $70,000–$95,000 per year. Specialised heavy transport and fleet repair roles earn at the higher end.

Entry requirements

No formal entry requirements. You must be employed (or able to secure employment) as an apprentice at a trailer manufacturer, fleet repair depot or heavy transport specialist.

Funding options

  • Career Start — Apprenticeship Pathway (QLD)
  • Skills SA Subsidised Training — SA

Contact us for a personalised eligibility check.

Student fees

Government-subsidised fees (student contribution only):

SA$1,600

Fee for Service: $10,800

Fees may vary. Contact us to confirm your eligibility and exact fee.

Units of Competency

Units listed below are from the current AUR31820 training package release. Elective units are selected to best match industry needs and employer requirements.

Core Units

AURAMA001 Follow safe working practices in an automotive workplace
AURAEA002 Protect the environment in an automotive workplace
AURACD101 Read and interpret technical information
AURTTS102 Work in an automotive service and repair context
AURTTK102 Use and maintain tools and equipment in an automotive workplace
AURTTO101 Service heavy vehicle air brake systems

Elective Units (indicative selection)

AURETR011 Install and repair vehicle lighting systems
AURTTO103 Service heavy vehicle suspension systems

Unit selection is confirmed in your Training Plan at enrolment. Elective choices may vary based on your employer, workplace and career pathway. All units are delivered and assessed in your workplace.

Government Funded Training

Certificate III in Heavy Commercial Trailer Technology is available as government-subsidised training in the following states. Eligibility conditions apply — contact our team for a personalised funding assessment before you enrol.

Funded training available in SA and QLD. Contact us to discuss eligibility.

South Australia View funding details → Queensland View funding details →
Important: Funding eligibility depends on your residency, citizenship, prior qualifications, age and current training contract status. Do not assume you are eligible without confirming with our team. Government funding rules change — always verify current conditions before commencing.

Employers — we do the heavy lifting

Mechanist manages the entire training and assessment process. We visit your site, assess in real work conditions, handle all compliance paperwork and keep you informed at every step. You focus on running your workshop — we focus on the qualification.

✓We customise your apprentice's Training Plan with you in person — not a generic template
✓Theory and practical assessment is delivered at your workplace, not a TAFE campus
✓We coach you on supervision ratios, workplace requirements and compliance obligations
✓Dedicated trainer/assessor assigned to your apprentice — direct contact, no call centres
✓Funding eligibility checks, paperwork and claiming — we handle it for you
✓Performance management support available if issues arise with your apprentice

Ready to take on a trainee or apprentice?

Talk to our team about how we can support your training needs.

Enquire Now Call 1300 304 867
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