Historical
SAE J 1729-2008 (SAE J1729-2008)
Parking Brake Drawbar Pull Test Procedure~Truck and Bus
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.
Society of Automotive Engineers [sae]