SAE Standards Works
Truck and Bus Brake Systems Committee
J1729 - Parking Brake Drawbar Pull Test Procedure--Truck and Bus
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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, tractor, trailer, and bus.