Northern Territory Consolidated Regulations

AUSTRALIAN VEHICLE STANDARDS RULES - REG 168

A drawbar-type coupling, or drawbar eye, used in a road train must:

        (a)     be a 50 millimetre pin type; and

        (b)     have a D-value complying with Australian Standard AS 2213-1984 50mm Pin Type Couplings and Drawbar Eyes for Trailers ; and

        (c)     be built to the dimensions mentioned in the standard; and

        (d)     not be worn away more than is recommended in the standard.