The Hypro 9006C-O Centrifugal Pump features a one-and-a-half-inch inlet, a one-and-a-quarter-inch outlet and female 1-3/8" six spline 540 rpm PTO shaft. The nylon impeller and cast iron gear-driven housing enable the unit to withstand a maximum fluid temperature of 140 degrees Fahrenheit and a maximum pressure of 78 PSI. Other design highlights include clips that attach the pump to the PTO shield of most tractors.