our latest product STFD series' dual speed hydraulic motor is an upgrade of the STFC series low-speed and high torque hydraulic motors.
It inherits the STFC series hydrostatic balance structure, and featured with high efficiency, high starting torque,high volumetric efficiency,etc.
The STFD series' dual speed hydraulic motor enables users to select the required displacement in a wide range for special working conditions.
Users can switch the displacement by using a remote control or manual control,with control valve mounted on the motor.The displacement can be changed easily while the motor is running.

Main characterstics:
1.Low speed, high-torque;
2.High effciency;
3.Stable performance;
4.Wide-range option of displacement;
5.Switchable displacement while the motor is running;
6.Switch option: electromagnetic, manual, automatic.