Dynamic Fluid Components BMPH series low speed, high torque hydraulic motor. 19.0 cu. in. / rev displacement. Maximum pressure 1625 PSI continuous, maximum pressure 2060 PSI inttermittent. Torque 3575 in-lb. continuous, torque 4470 in-lb. intermittent. Maximum speed 190 RPM continuous. Flow rate 15.8 GPM. 1" diameter 6B splined shaft. 1/2" NPT ports. 4 Bolt SAE mounting flange. Dynamic Fluid Dynamics part number BMPH315H4SP. Interchanges with Char-Lynn model 101-1055. 1 year warranty.