Equip your semi to be Ready for the Road Ahead™, with the Donaldson Duramax® Spin-On Hydraulic Filter, a crucial element that leads to optimal hydraulic fluid performance. This replacement filter captures harmful contaminants in the hydraulic fluid, preventing pressure leaks and corrosion from occurring. Manufactured with a durable body to extend the service life and reduce the frequency of filter changes in semis or tractors. FleetPride is your First Click in Heavy Duty®.