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. It has standard SAE Ports.SAE Ports SizePilot Supply : 9/16 - 18Pilot Pressure : 3/4 - 16Differential Lock Pilot Out : 9/16 -18Implement Pilot Out : 9/16 -18Clutch Supply : 9/16 -18Tank 1 : 9/16 -18Tank 2 : 9/16 -18Tank 3 : 9/16 -18Pilot Gage : 9/16 -18Max Supply Pressure : 5000 kPa (725 psi)Max. Particle Size : 600 µmApplication: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.