Prepare your semi truck to be Ready for the Road Ahead™, with the Chelsea Power Take-Off Air Shift Valve that enables the connection of the PTO to various auxiliary tools. By connecting the power from the engine to the auxiliary equipment, this valve allows operators to utilize various hydraulic tools such as pumps, attachments, and other key items. Built with a compact and lightweight design to fit in tight spaces. FleetPride is your First Click in Heavy Duty®.