Monarch Syngear Plus SAE 75W90 and 80W140 are heavy duty, extreme pressure, GL-5 gear lubricants. They are compounded 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 these oils exceeds those of conventional SAE 80W-90, SAE 90 and 85W-140 hypoid gear lubricants. Code #8630, 8640 ,8650, 8660, 8670
