
Specific marine applications include main propulsion, centrifuges, deck machinery such as winches, windlasses, cranes, turning gears, pumps, elevators, and rudder carriers.
Worm gears - They offer corrosion protection.
Bevel gears - They are used as special reduction gears for cruise. They are also used for transportation task.
Helical gears - Transmit power and motion between parallel axis.
Planetary gears - These are used foT co-axial drive.