Mobilube HD 80W-90 is a high-performance, heavy-duty gear lubricant that is formulated from high-quality base oils and an advanced additive system. It is engineered to provide superior protection for gears and other drivetrain components in a wide range of applications, including: Heavy-duty trucks and buses Construction equipment Agriculture machinery Mining equipment Off-road vehicles Mobilube HD 80W-90 provides excellent wear protection, even under extreme conditions such as high temperatures, high loads, and shock loading. It also helps to improve fuel economy and extend the life of drivetrain components. Features and Benefits Superior wear protection Excellent thermal and oxidation stability High shear stability Improved fuel economy Extended component life API GL-5 performance Recommended Applications Heavy-duty trucks and buses Construction equipment Agriculture machinery Mining equipment Off-road vehicles Packaging Mobilube HD 80W-90 is available in a variety of packaging