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Product Code:SAE J225
Title:Brake Force Distribution Field Test Procedure for Truck and Bus
Issuing Committee:Truck And Bus Brake Systems Committee
Scope:This SAE Recommended Practice provides a field test procedure and instructions for:Instrumentation and EquipmentVehicle PreparationTest of air-braked single and combination vehiclesCalculation of brake force distributionThis test procedure is intended to be used as a field procedure. If a more refined method, utilizing laboratory equipment, is required, refer to SAE J1505.PurposeThis procedure provides a method to determine the brake force distribution (brake system effectiveness) for trucks and buses with a GVWR greater than 4536 kg (10 000 lb).