Cotton Ginning Machine Oil Immersed Gear Box Low Friction Minimum wear & Tear, High Durability of Moving Parts and Bearings.All Parts are provided with bearing to reduce friction for optimum efficiency. Heavy Duty Helical Gears. High Contact Ratio, Longer Contact between Gears, Wider Gear Teeth, Graducal Teeth Loading, Substantially Less Vibrations, Noiseless Running, Longer working Life, Remarkably Low Consumption of Electric Power.