SWEPCO 714 Heavy Duty TO-4/C4 Transmission Fluid is a high-performance lubricant designed for a broad range of applications including mining, construction, trucking, and marine industries. Formulated with high VI base stocks and advanced additives, it ensures superior protection against common issues like overheating, oxidation, and varnish formation. It improves shift quality, extends drain intervals, and enhances overall equipment life.