Description:Cat® Piston Pump Group generate fluid flow within hydraulic systems. Hydraulic pumps are designed precisely to work in a hydraulic system to meet the prime product requirements for machine performance, reliability, durability, operating costs and productivity.Pressure Angle : 30°Spline Pitch : 16/32No. of Teeth : 15Rotation : ClockwiseDisplacement/Rev : 63 ccMargin Pressure : 1800 kPa (261 psi)Pressure Port Thread Size in : 1 5/16 - 12UN - 2BSuction Port Thread Size in : 2Case Drain Port Thread Size in : 7/8 - 14UNF - 2BPilot Press Port Thread Size in : 7/16 - 20UNF - 2B Application:Cat® Piston Pump Group are designed for specific machine requirements. Consult your owner's manual or contact your local Cat Dealer for more information.