Dynamic Fluid Components BMPH series low speed, high torque hydraulic motor. 4.74 cu. in./rev displacement. 1840 PSI continuous pressure, 2425 maximum pressure. Torque 1140 in. lbs. continuous, 1514 in. lbs. intermittent. Maximum speed 740 RPM continuous. 15.8 GPM flow rate. 1" diameter 6B splined shaft. 1/2" NPT ports. 2 Bolt SAE mounting flange. Dynamic Fluid Components part number BMPH80H2SP.