Australian Standard AS 2174-1978 Recommendations for Positions and Heights of Fifth Wheel for Articulated Vehicles 1978 - Australian Government

Service summary

You may be required to comply with this standard if you intend to design or manufacture prime movers or semi trailers.

This standard has been superseded and is referred to in the Catalogue of Australian Standard as AS 2174.2-2006 Heavy Road Vehicles - Mechanical Coupling Between Prime Movers and Semi Trailers - Interchangeability Requirements - Dedicated Vehicle Combinations.

It specifies the requirements for the location of fifth wheels and kingpins on vehicles used in dedicated combinations operating normally on both sealed and unsealed roads.

Please consult the Contact Officer for more information and to ascertain the level of compliance (if any) 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

Department of Infrastructure and Regional Development
Surface Transport Policy

Act(s) name

Motor Vehicle Standards Act 1989 (Australian Government)

Regulation(s) name

Interstate Road Transport Regulations 1986 (Australian Government)

Contact details

General Enquiries
Department of Infrastructure and Regional Development
Surface Transport Policy

Operating address:
111 Alinga Street
Australian Capital Territory 2600




02 62747111


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