This International Standard specifies the test conditions and strength requirements to be met by drawbar couplings (see ISO 3584) and the corresponding drawbar eyes (see ISO 1102 and ISO 8755) for rigid drawbars, which are provided for use with centre-axle trailers with a technical maximum mass C exceeding 3,5t (tonnes).
ISO 12357:1999 Referenced Document
ISO 1102 Commercial road vehicles - 50 mm drawbar eye - Interchangeability*, 2001-10-01 Update
ISO 1176 Road vehicles; masses; vocabulary and codes