PUMA UniSynth Gear Oil 80W-140 is a Next Generation, fully Synthetic EP (Extreme Pressure) gear oil designed for highly loaded gears and axles. It is formulated using a synthetic base stock, which has a high viscosity index and an exceptionally low pour point. These lubricants contain extreme pressure additives, as well as rust, oxidation and corrosion inhibitors to protect gears and bearings operated under a wide variety of load conditions. The high and low temperature performance of this product exceeds those of conventional SAE 80W-90, SAE 90, and 85W-140 hypoid gear lubricant.