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Heavy Vehicle (Vehicle Standards) National Regulation
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Heavy Vehicle (Vehicle Standards) National Regulation
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A drawbar-type coupling, or drawbar eye, used in a road train must— be a 50mm pin type; and have a D-value complying with AS 2213-1984 ‘50 mm Pin-Type Couplings and Drawbar Eyes for Trailers’; and be built to the dimensions mentioned in the standard; and not be worn away more than is recommended in the standard.