LUBRIGUARD GL-5 Gear Lubricants are multi-purpose sulfur/phosphorous gear lubricants designed for API Service Classification “GL-5” and “MT-1”. They are compounded with highly refined base stocks and additives to ensure extreme pressure characteristics, anti-wear, corrosion inhibition, rust prevention, low pour point, and anti-foaming performance. It is fully formulated for limited slip differentials. Meet the requirements of U.S. Military Specification MIL-L-2105D, MIL-L-2105E, SAE J2360, and Mack GO-J. And are recommended for use in limited slip and conventional differentials of cars, pick up trucks, sport utility vehicles, and heavy duty trucks.