This unit describes the performance outcomes required to service and repair trailers with an aggregate trailer mass (ATM) of up to 4.5 tonnes. It involves servicing the suspension, brakes, axles, couplings and electrical systems, and completing workplace processes and documentation, including any associated recommendations for further action.

It applies to those working in the automotive service and repair industry. The trailers include those of agricultural machinery, heavy commercial vehicles, light vehicles, marine vessels, mobile plant machinery or outdoor power equipment.

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of publication.