Staffa HMC two speed piston motor 1.Low speed,high torque 2.Completely ... ,HMC100,HMC125,HMC200,HMC270,HMC325 two speed hydraulic piston motor1. Low speed, high-torque2. Completely interchangeablw with ... range option of displacement7. Switchable displacement while the motor is running8. Switch option: electromagnetic, manual, automatic ... ,HMC125,HMC200,HMC270,HMC325 two speed hydraulic piston motor