Tulsa Winch's planetary gear/swing drives have the durability that you need and can depend on. Our planetary gear/swing drives are commonly used in the Infrastructure, Recovery, Energy & Marine markets and can be custom designed for specific applications. With standard output torque ratings from 15,000 in-lbs (1700 Nm) to 250,000 in- lbs (14 kNm) , Tulsa Winch planetary gear drives can handle a wide range of requirements. For optimal life, pair the planetary gear drive with our slewing ring bearing.