Integrated with the advanced designing experience of marine propulsion gearbox, TORK drive engineers develop out controllable pitch propeller gearbox,fixed pitch propeller gearbox,Dredger gearbox and FI-FI pump gearbox with independent IP right for ships.With the function of speed reduction,clutch-in and off,PTO and PTI,the gearboxes are widely utilized in the main CPP systems driven by the non-reversible medium speed diesel engines.