Shell Spirax S6 AXRME 75W-90 is a fuel efficient axle fluid, designed to provide ultimate protection to the latest heavy-duty axles that call for an API GL-5 type product. Specially formulated with synthetic base oils and additive technology that provide improved lubrication of the drive train, lowers the operating temperature and helps promote longer life for the equipment. Shell Spriax S6 AXRME 75W-90 is capable of extended oil drain and is approved by several OEMs for their extended drain specifications.