This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.

This SAE Recommended Practice has been adopted by SAE to specify: a. a basis for net engine retarder power rating; b. reference inlet air test conditions; c. a method for correcting observed engine retarder power to reference conditions; and d. a method for determining net engine retarder power with a dynamometer.