This International Standard lays down the essential dimensions of two types of hitches on self-propelled forestry machinery for the attachment of towed implements f itted with drawbars having ring type hitches. Outline requirements for those drawbars, which are necessary to ensure compatibility, are also specified.
DS/ISO 6815:1986 history
1986DS/ISO 6815:1986 Machinery for forestry. Hitches. Dimensions