Prescribes the dimensions necessary for the compatibility of mechanical coupling devices between light trailers or caravans and towing vehicles when the latter are fitted with a coupling ball. Replaces the second edition.
ISO 1103:1996 history
2007ISO 1103:2007 Road vehicles - Coupling balls for caravans and light trailers - Dimensions
1996ISO 1103:1996 Road vehicles - Coupling balls for caravans and light trailers - Dimensions