This SAE Recommended Practice provides a road test procedure for truck-tractors, to evaluate their compliance with Federal Motor Vehicle Safety Standard (FMVSS) 121. Units of measure are English in lieu of metric to be consistent with FMVSS 121. This document has been revised to correct a couple of grammatical errors (punctuation) and to clarify Mu in 9.2.1.1.
Recommended Practice for Braking, Stability, and Control Performance Test Procedure for Air Brake-Equipped Truck-Tractors
2023-03-23
Conference paper
English