Heavy Vehicle (Vehicle Standards) National Regulation (NSW)

A fifth wheel coupling used in a vehicle built after June 1991 forming part of a B-double or road train must be clearly and permanently marked, in a way complying with AS 1773-1990‘Articulated Vehicles—Fifth Wheel Assemblies’, with—

the name or trademark of the coupling’s manufacturer; and

the coupling’s D-value rating; and

the coupling’s nominal size.

A turntable used in a vehicle built after January 1999 forming part of a B-double or road train must be—

clearly and permanently marked with the name or trademark of the turntable’s manufacturer; and

clearly and permanently marked with the turntable’s D-value rating in a way complying with AS 1773-1990‘Articulated Vehicles—Fifth Wheel Assemblies’.