This SAE Recommended Practice is intended as the definition of a standard test, but may be subject to frequent change to keep pace with experience and technical advances. This should be kept in mind when considering its use. The SAE No. 2 Friction Test Machine is used to evaluate the friction characteristics of automatic transmission plate clutches with automotive transmission fluids. It can also be used to conduct durability tests on wet friction systems. The specific purpose of this document is to define a 3600 r/min Stepped Power Test for the evaluation of wet friction system performance variation as a function of power level. This procedure uses an initial engagement speed of 3600 r/min and is intended as a standard procedure for common use by both suppliers and end users. The only variables selected by the supplier or user of the friction system are: a. Friction Material; b. Fluid; and c. Reaction Plates. These three variables must be clearly identified when reporting the results of using this test. If any of the test parameters or system hardware as described in this document are changed, other than the friction material, test fluid, or reaction plates, the data may not be reported as having been obtained using this document. This procedure is not intended to evaluate the initial coefficient or break-in characteristics. For this information, refer to SAE J2490 SAE No. 2 Friction Test Machine µPVT Test.
SAE J2487-2012 Referenced Document
SAE J1499-2012 SAE Band Friction Test Machine Guidelines
SAE J1646-2012 Glossary of Terms - Lubricated Friction Systems@ Recommended Practice (July 1996)
SAE J2488-2006 SAE No. 2 Friction Test Machine 6000 r/min Stepped Power Test
SAE J2489-2012 SAE No. 2 Friction Test Machine Durability Test
SAE J2490-2000 SAE No. 2 Friction Test Machine μPvt Test
SAE J286-2012 SAE No. 2 Clutch Friction Test Machine Guidelines
SAE J2487-2012 history
2019SAE J2487-2019 SAE No. 2 Friction Test Machine 3600 rpm Stepped Power Test
2012SAE J2487-2012 SAE No. 2 Friction Test Machine 3600 r/min Stepped Power Test
2007SAE J2487-2007 SAE No. 2 Friction Test Machine 3600 r/min Stepped Power Test
2000SAE J2487-2000 SAE No. 2 Friction Test Machine 3600 r/min Stepped Power Test