AS 3819.1-1998 View larger

AS 3819.1-1998

M00005167

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AS 3819.1-1998 [ Current ] Heavy duty towing components, Part 1: 70 mm and 110 mm diameter towballs for heavy duty couplings

standard by Standards Australia, 05/05/1998

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Specifies classification, design, interchangeability of dimensions with tolerances, finish, marking requirements for 70 mm and 110 mm towballs, which are used for the towing of trailers above 3.5 t in tension and compression. A dynamic test is given in an appendix.