Keep your equipment performing at its best with Castrol SAE 20W-50 Hydrostatic Transmission Fluid. Specially formulated with advanced additives, this fluid provides unparalleled protection for hydrostatic transmissions, ensuring reliability and longevity under demanding conditions. Trust Castrol SAE 20W-50 Hydrostatic Transmission Fluid to keep your equipment running smoothly and efficiently, even in the toughest conditions. -Maximum wear protection for extended transmission life -Superior shear stability designed for severe mowing applications -All season formula protects in both high and low temperatures Specifications: Meets the standard for API GL-4