Staffa HMC two speed piston motor 1.Low speed,high torque 2.Completely interchangeable with original ... of HMC080,HMC100,HMC125,HMC200,HMC270,HMC325 two speed hydraulic piston motor1. Low speed, high-torque2. Completely interchangeablw with original3. ... displacement while the motor is running8. Switch option: electromagnetic, manual, automatic. 9. Wide applicable for marine boat, engineering machinery ...