Special Gearboxes for Petrochemical

The winch gearbox is the main gearbox for the drilling rig ,which is with high precision and high load capacity as well as the hardened gear tooth. With the gearbox gives the compact design, less weight, stable operation, low noise and high efficiency. The automatic shifting gearbox utilizes an electromagnetic valve to pneumatically shift and control for energy-savings, and consumption reduction. 

Internationally applied, including the United States, Russia, Brazil, Venezuela, and the Middle East. The automatic gearbox shifts pneumatically, applied in Oman.