TROPHY Multi-Purpose GL-5 Gear Lube SAE 80W-90 is a high quality, heavy duty, and extreme pressure gear lubricant for automotive differentials, manual transmissions, and final drives on passenger cars, trucks, taxicabs, and contractor and farm equipment. Compounded with a new and state-of-the-art “clean gear” additive package which insures exceptional thermal stability, minimizes gear face and bearing wear, protects against scuffing, provides corrosion protection, and anti-foam properties.