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Planetary Gearboxes for Slewing – EXV

The EXV range of Planetary Gearboxes are specifically designed for slewing applications. Therefore the output pinion is designed based on your slew ring details.


  • Planetary Gearbox for slewing
  • Ratios up to 3000:1
  • Output torque up to 300,000 Nm

The design for these gearboxes is with slewing applications in mind, such as pitch and yaw drives on wind turbines and also rotating tower cranes. Therefore the output pinion is dictated by your slew ring or gear design.

Available with electric and hydraulic motor inputs in addition to hydraulic brakes.

If you are looking for planetary gearboxes for slewing, get in touch today to see what STM UK can do for you!

Essential data:

  • Gear type: Planetary
  • Efficiency: 90–98%
  • Ratios: 12–3,000
  • Max torque: 300,000 N


For further information including Catalogues, Installation Manuals, Parts Lists or 2D/3D drawings please follow the links below:

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Planetary Gearboxes for Slewing

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