1. Combined water cooling type
The hydraulic coupling gear reducer shares with the diesel engine one water cooling system which is fitted onto the common chassis. It is easy to install and move, with safe and reliable operation.
Input speed: 600~1500 r/min
Power range: 600~1300 kW
Rated slip: 3%
Rated efficiency: 96%
Reduction ratio: 1.5~2.5 (according to customers\' specific needs)

2. Shared chassis (with the engine) and self-contained wind cooler type
This type of hydraulic coupling gear reducer uses the same chassis with the diesel engine. It comes with a self-contained fan cooling system.
Input speed: 600~1500 r/min
Power range: 600~1300 kW
Rated slip: 3%
Rated efficiency: 96%
Reduction ratio: 1.5~2.5 (according to customers\' specific needs)

3. Separate installation and self-contained wind cooler type
This hydraulic coupling gear reducer uses a separate chassis and a self-contained fan cooling system. It is suitable for various drilling machines.
Input speed: 600~1500 r/min
Power range: 600~1300 kW
Rated slip: 3%
Rated efficiency: 96%
Reduction ratio: 1.5~2.5 (according to customers\' specific needs)

4. 2000 series diesel engine coupling gear box set
Rated speed: 1000~1500 r/min
Rated power: 740~1000 kW

This diesel engine coupling gear box set is widely used in the oil drilling field.
A diesel engine coupling power unit for oil drilling equipment now comes standard with the gear box set.