Fifth Wheel or Turntable Assemblies in Heavy Vehicles - Australian Capital Territory

Service summary

You must comply with these standards if you intend to manufacture or modify a heavy vehicle that will be used in a B-double or road train. Specifically, these standards refer to the testing and installation requirements of fifth wheel and turntable assemblies.

Australian Standard AS 1773-1990 Articulated Vehicle - Fifth Wheel Assemblies specifies the functional and testing requirements of fifth wheel or turntable assemblies.

Australian Standard AS 1771-1987 Installation of Fifth Wheel and Turntable Assemblies specifies the requirements for mounting or installing a fifth wheel or turntable assembly.

Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required.

Service type

Code of Practice

A code of practice can be either a legal requirement or non-legal requirement. Legal codes of practice are defined as a result of legislation. Non-legal codes of practice are defined by industry regulators and bodies.

Administering agency

National Heavy Vehicle Regulator

Act(s) name

Heavy Vehicle National Law (ACT) Act 2013 (Australian Capital Territory)

Contact details

General Enquiries
National Heavy Vehicle Regulator

Operating address:
Level 9, Green Square North Tower
515 St Pauls Terrace
Fortitude Valley
Queensland 4006
Mailing address:
PO Box 492
Fortitude Valley
Queensland 4006




07 33098777


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