SAE J849 PDF

Connection and Accessory Locations for Towing Multiple Trailers – Truck and Bus (Stabilized: Jan 2013)
standard by SAE International, 01/04/2013

SAE J849 – Connection and Accessory Locations for Towing Multiple Trailers – Truck and Bus (Stabilized: Jan 2013)

This document has been declared “Stabilized” and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.

This SAE Recommended Practice establishes the recommended locations for the air brake and electrical connections for towing multiple trailers. It applies to all commercial trailers except drop frame and car haul types.