ISO 11407
Commercial road vehicles - Mechanical coupling between towing vehicles, with coupling mounted forward and below, and centre-axle trailers - Interchangeability
Nutzkraftfahrzeuge - Mechnische Kupplungen zwischen Anhängern mit vorn und unten angebrachten Kupplungen und Zentralachsanhängern - Austauschbarkeit
Responsible national committee
NA 052-00-35-02 AK - Interchangeability of components of commercial vehicles and buses
Responsible international committee
ISO/TC 22/SC 40 - Specific aspects for light and heavy commercial vehicles, busses and trailers