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Parking Brake Drawbar Pull Test Procedure - Truck and Bus
- Ground Vehicle Standard
- J1729_201910
- Revised
Sector:
Issuing Committee:
Language:
English
Scope
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.
Rationale
Added requirement for recording tire static loaded radius (SLR) and to report drawbar peak force as a moving average.
Data Sets - Support Documents
No Datasets Available
Issuing Committee
Truck and Bus Brake Systems Committee
The Truck and Bus Brake Systems Committee of the Truck and Bus Brake and Stability Control Steering Committee is responsible for developing, reviewing, and approving recommended practices, standards, and information reports related to brake systems of trucks, tractor-trailer combinations and buses over 10,000 lbs (4500 Kg) GVWR designed primarily for highway use.
Reference
| Number | Title |
|---|---|
| 49CFR571.105 | This document is not part of the subscrption. |
| 49CFR571.121 | This document is not part of the subscrption. |
| J1452_201811 | Trailer Grade Parking Performance Test Procedure |
| J1626_201205 | Braking, Stability, and Control Performance Test Procedures for Air-and Hydraulic-Brake-Equipped Trucks, Truck-Tractors and Buses |
| J2503_201205 | Drawbar Pull Performance Criteria |
| J360_201106 | Truck and Bus Grade Parking Performance Test Procedure |