Champion HTS Manual Transmission Fluid is a 100% synthetic fluid blended with the latest state of the art additives. This specially blended oil is recommended for use in Eaton, Rockwell and Meritor transmissions and features a high viscosity index for use whenever a SAE 50 CD Fluid is recommended for use. Part# 4316D 5 Gal. Part# 4316AN 55 Gal.