Australian Standard AS 1773-1990 Articulated Vehicles-Fifth Wheel Assemblies - Australian Government


Note that this standard has been updated and you will need to meet the requirements set out in AS/NZS 4968:2023 Heavy-Road Vehicles - Mechanical Coupling Between Articulated Vehicle Combinations.

You may be required to comply with this standard if you operate a long distance interstate road transport business and you intend to use a B-doubles.

A B-double's fifth wheels (including turn-table bases if they are used) must comply with the rating and functional dimensional requirements in this Standard.


Service type

Code of Practice

A code of practice is a set of rules which details how people in a certain industry should behave. A code of practice can be defined as a result of legislation or by industry regulators and bodies.

Act(s) name

Road Vehicle Standards Act 2018 Australian Government

Regulation(s) name

Vehicle Standard (Australian Design Rule 62/00 - Mechanical Connections Between Vehicles) 2006 Australian Government

Administering agency

Department of Infrastructure, Transport, Regional Development, Communications and the Arts

Contact details

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