This SAE Recommended Practice provides the test procedure and instructions for air braked single unit trucks, buses, and combination vehicles. Brake force distribution testing with systems post-reduced stopping distance changes is still appropriate; however, vehicles with electrononically controlled braking systems are not covered in this document and may need to be addressed in the future. It also provides recommendations for: a Instrumentation and equipment. b Vehicle preparation. c Calculating distribution of brake force.
SAE J1505-2022 history
2022SAE J1505-2022 Brake Force Distribution Test Procedure - Trucks and Buses
2011SAE J1505-2011 Brake Force Distribution Test Procedure Trucks and Buses
2004SAE J1505-2004 Brake Force Distribution Test ProcedureTrucks and Buses
1995SAE J1505-1995 (R) Brake Force Distribution Test Code - Commercial Vehicles, Recommended Practice April 1995
1985SAE J1505-1985 Brake Force Distribution Test code - Commercial Vehicles