Aqua Lube synthetic blend Trailer Axle Lubricant is formulated from a superior high viscosity base oil stock and fortified with a highly effective anit-wear, anti-scuff extreme pressure synthetic package. A special tackiness additive makes the oil cling tenaciously to bearings and gears to assure full lubrication under the most severe conditions. It will also help improve seal seating and prevent metal to metal contact, reduce friction while guarding against oxidation, rust and corrosion, improve transmission of applied power. It is certified to exceed GL-4, GL-5, and GL-6 standards. It also exceeds military standards for MIL-2105 - MIL2105C.