Drop in equivalent to Parker TE0050MS090AAAB hydraulic motor. Low speed, high torque. 3.13 cubic inch displacement. Magneto mount. 1" shaft with woodruff key with .40 cross hole. 7/8-14 SAE ports. 755 RPM maximum speed. 885 inch lbs. of torque. 15.8 GPM maximum flow rate. 2576 PSI maximum pressure differential. 1 year warranty.