Description:Cat® Pump Shaft is a device that transfers rotational motion and torque from the motor to the pump. A pump shaft used in the hydraulic system of a excavator machine is a special type of pump shaft that is designed to deliver high performance and efficiency. It is made of high-quality steel that is strong and durable. It has a precise and smooth surface that can reduce friction and wear. It has a balanced and symmetrical design that can prevent vibration and noise. It has a high resistance to heat, pressure, and corrosion that can withstand the harsh conditions and long hours of the construction site. It has a high compatibility and interchangeability that can fit different pumps. Cat® Parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact and reuse.Spline Shaft Size : 25.4 mm (1 in)No. of teeth : 15Pressure Angle : 30°Spline Pitch : 16/32Spline Type : Flat Root, Side FitApplication:Cat® Pump Shaft is used in hydraulic motor to pump the hydraulic fluid. Consult your owner's manual or contact your local Cat® Dealer for more information.