Kick Mineral Gear Oil SAE 140 API GL-4 & GL-5 is a high performance, heavy duty gear lubricant formulated from high performance base oils and an advanced additive system. Kick Mineral Gear Oil SAE 140 is a unique fuel efficient, long life transmission and axle oil, designed to provide ultimate protection to the latest heavy duty manual transmissions and axles. Kick Mineral Gear Oil SAE 140 gives improved lubrication of the drive train, lowers the operating temperature and helps promote longer life for the equipment.