You may be required to comply with this standard if you intend to operate a B-double or road train. Fifth wheel couplings and turntables used in your B-double or road train must comply with this standard.
This standard sets out the attachment design forces for fifth wheel assembly and equations to determine the required D-value of components for various combinations. This standard applies to fifth wheel assemblies used with 50 mm, 75 mm and 90 mm kingpins, and associated equipment for articulated vehicle combination, used in heavy road vehicles, B-doubles and road trains, in normal use on both sealed and unsealed roads.
The particular version of the standard you must comply with is AS 1773-1990 Articulated Vehicles - Fifth Wheel Assemblies. Please consult the Contact Officer for more information and to ascertain the level of compliance (if any) that may be required.
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.
Department of Transport
Driver and Vehicle Services
Road Traffic (Vehicles) Act 2012 (Western Australia)
Road Traffic (Vehicles) Regulations 2014 (Western Australia)
The information contained on the Australian Business Licence and Information Service
(ABLIS) web site, or via packages or other sources is intended for general guidance
To the full extent permitted by law, the Federal, State, Territory and Local Governments
make no representations or warranties (expressed or implied) in relation to the
information, including its accuracy, currency or completeness.
The business information provided does not constitute professional or legal advice,
nor is the use of any third party resource an endorsement of the information contained,
the associated organisation, product or service. It is recommended that you obtain
appropriate professional and /or independent legal advice to ensure that the material
provided here is relevant to your particular circumstances.
To the full extent permitted by law the Federal, State, Territory and Local Governments,
their employees and agents do not accept any liability for any reason, including
without limitation, liability in negligence, to any person for the general information
which is provided herein, or in respect of anything, including the consequences
of anything done, or not done, by any such person in whole or partial reliance upon