You may be required to comply with this standard if you intend to operate a B-double or road train. You must ensure that any kingpin in your vehicle has dimensions, a D value and markings that comply with this standard. You must also ensure it is attached in accordance 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 specific version of this standard you are required to comply with is AS 2175-1990 Articulated Vehicles - Kingpins. Please consult the Contact Officer for more information and to ascertain the level of compliance (if any) that may be required by your business.
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)
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