SAE J 1626
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 provides a test procedure for trucks, truck-tractors, and buses to evaluate their compliance with Federal Motor Vehicle Safety Standards (FMVSS) 105 and 121; Hydraulic and Air Brake Systems. Units of measure are English in lieu of metric to be commensurate with FMVSS 105 and 121.