This SAE Recommended Practice provides a test method and instructions for measuring performance of parking brakes on air- or hydraulic-braked vehicles equipped with in-wheel or drive-line parking brakes. This procedure applies to truck-tractors, trailers, trucks and buses. This document establishes a uniform procedure for determining retardation force capability of the parking brakes of new truck-tractors, trailers, trucks and buses.
SAE J1729-2008 Referenced Document
SAE J1452-1995 Trailer Grade Parking Performance Test Procedure
SAE J1626-1999 Braking, Stability, and Control Performance Test Procedures for Air-and Hydrualic-Brake-Equipped Trucks, Truck-Tractors and Buses
SAE J2115-2006 Brake Performance and Wear Test Code Commercial Vehicle Inertia dynamometer