This SAE Recommended Practice provides the test procedure and instructions for air braked combination vehicles. It also provides recommendations for: instrumentation and equipment, Vehicle preparation, and calculating distribution of brake force. This code provides a method to determine the brake force distribution and threshold pressures for commercial vehicles.
SAE J1505-1995 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