A multi-purpose sulfur/phosphorus type gear lubricant designed for API Service classification GL-5 and MT-1 capabilities for non-synchronized manual transmissions in heavy duty systems. Compounded with highly refined paraffinic base stocks and additives to ensure extreme pressure characteristics, anti-wear, limited slip, corrosion inhibition, rust prevention, low pour point, and anti-foaming tendencies Recommended for differentials and conventional transmissions in passenger cars and trucks where GL-5 type lubricant is specified. Recommended for gear units and axles where sulfur/phosphorus controlled chemically-active additive package is designated. Meets the requirements of the U.S. Military specification MIL-L-2105D, MIL-L-2105E and Mack GO-G, GO-H, GO-J. These are Alma EP Grades 5 and 7. 85W-140 is for heavy duty equipment, both on and off-highway fleets, as well as many industrial and commercial mechanical applications.