This unit was released on 12/06/2020 and is still current
https://training.gov.au/Training/Details/TLIC4006
Unrestricted gearbox (18 speed Roadranger)
This unit involves the skills and knowledge required to
drive a multi-combination vehicle safely, including
systematic and efficient control of all vehicle functions,
coupling and uncoupling of dollies, monitoring of traffic
and road conditions, management of vehicle condition and
performance, and effective management of hazardous
situations
Assessment of this unit is conducted by our assessors
within a licensing examination conducted by, or under the
authority of, the relevant state/territory Road Traffic
Authority. Licensing, legislative, regulatory or
certification requirements are applicable to this unit.
Assessments will be recorded as per the WA Department of
Transport policy
It is a Department of Transport requirement that a
training unit of competence must be completed before
assessment can be done. In the event that you are
deemed not yet competent in this unit, assessment will be
postponed until further training is completed.
https://www.transport.wa.gov.au/licensing/multi-combination-licence-mc.asp