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


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This standard has been superseded and is referred to in the Catalogue of Australian Standard as AS 2174.2-2006 Heavy Road Vehicles - Mechanical Coupling Between Prime Movers and Semi Trailers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

Motor Vehicle Standards Act 1989 Australian Government

Regulation(s) name

Interstate Road Transport Regulations 1986 Australian Government

Administering agency

Department of Infrastructure, Transport, Cities and Regional Development

Surface Transport Policy

Contact details

Contact Email, Phone and Address Details for this service in simple two column table format, header then data.

Please use these contact details for help or more information:

General Enquiries

Surface Transport Policy

Department of Infrastructure, Transport, Cities and Regional Development

Operating address: 111 Alinga Street
Canberra, Australian Capital Territory 2601
Toll Free: 1800 075 001
Phone: 02 6274 7111