This product is formulated with imported base oil + imported additives, in a harsh working environment, it can still maintain a layer of oil film on the surface of the gear, strong anti-wear performance, prevent the wear of gears and bearings; It has oxidation stability at high temperature, and is specially used for imported and domestic special lubricating oil for heavy construction machinery and vehicle equipment to ensure the exhaust gas load of four countries and five emission standards. It is suitable for special lubricating oil for imported and domestic heavy construction machinery and vehicle equipment. Net content L 18L