International Organization for Standardization (ISO)
Status
Latest
ISO 8704:1991
Scope
This International Standard specifies the strength requirements to be met by mechanical coupling de- vices fitted to trailers or caravans of categories 01 and 02 in the case of ball couplings in accordance with ISO 1103 and a static load within the limits fixed in ISO/TR 4114.
ISO 8704:1991 history
1991ISO 8704:1991 Caravans and light trailers; couplings; strength tests