Description:Cat® Pilot Valve Group are designed to regulate, direct or control the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing various passageways. It controls the high pressure of the hydraulic fluid as it passes through the machine, and regulates the functioning of the other valves.This pilot valve allows the machine operator to control machine work tools and functions with a joystick. Joystick controlled pilot valve group and standard SAE PortsApplication:Cat® Pilot Valve Group are used in control valve groups of Cat machines. Consult your owner's manual or contact your local Cat Dealer for more information.