This SAE Recommended Practice specifies a dynamometer test procedure to be used for the measurement of automotive service brake linings and disc brake pads wear. Special motor vehicles and motorcycles are excluded from the application. Trailers with nominal Gross Combination Weight Rating exceeding 40 tons are also excluded from this Recommended Practice.
New data from customer usage in different regions of the world, and new engine and powertrain technologies, points to the need of revising the procedure to include sections with lower initial brake temperatures. Also, there are opportunities to improve the clarity and the structure of the document to make it easier to understand and to follow at the laboratory level.