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The traction coefficient of the Mobil gear oil series is low, and the low traction coefficient is due to the molecular structure of the base oil. Therefore, the fluid friction of irregular surfaces such as gears and rolling contact bearings in the load area is low. Because the liquid friction is low, the working temperature is also low, thus improving the efficiency of the gear and achieving the result of reducing the power loss. This also makes the life of the parts longer and the design of the equipment more economical. The basic oil used in the Mobil SHC gear oil is excellent in combination with antioxidant additives. Therefore, the properties of antioxidant and anti-oily mud formation are excellent, especially at high temperatures. The additive components used in this series of products also have excellent corrosion resistance, corrosion resistance, excellent wear resistance, emulsification, foam control and air release, and are also compatible with a variety of metals. Mobil SHC gear oil is also compatible with oil seals that are usually lubricated with mineral oil, as well as other structural materials used in equipment.