The D-I hydraulic marine gearboxes have been marketed as Dong-I so far. The name has changed, but the quality has not. The most important features of the D-I hydraulic gearboxes:

• Reasonable price
• High quality
• Reliability
• Same ratio in both directions
• Same load capacity in both directions
• Hydraulic reversing gear
• Easy maintenance
• Can be mounted on a motor or fixed independently of the motor
• The engine versions are equipped with an anti-vibration clutch
• Also available with electrical remote control