Mobilube HD 80W-90 is a high-performance transmission oil designed for heavy-duty operating conditions. Formulated with premium mineral base oils and advanced additives, it provides superior protection for transmissions, axles, and differentials under extreme pressures and shock loads. It meets API GL-5 specifications, ensuring excellent thermal stability, wear protection, and resistance to high-temperature oxidation. Suitable for all-season use, it enhances gear and bearing life, reduces maintenance costs, and performs effectively at low temperatures. This oil is compatible with typical automotive seals and gaskets, minimizing leaks and reducing contamination.