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Products > Gearboxes & Geared Motors > Slew Drives > Planetary Slew Drives

Planetary Slew Drives

Planetary slew drives integrate planetary gears with slewing bearings for high torque density and dynamic load capacity in cranes and excavators.

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STM EX V Slewing Planetary Gearbox

Planetary slew drives deliver precise rotation for heavy-duty applications. These compact units combine high torque with reliable load handling.

Key Features

  • High output torque from 9 kNm to over 400 kNm for demanding tasks.
  • Planetary gear design ensures efficiency, minimal backlash, and compact size.
  • Superior axial, radial, and tilting moment capacity for stability.​

Top Applications

  • Solar trackers and wind energy pitch/yaw systems to boost efficiency.
  • Construction gear like tower cranes and aerial platforms.​
  • Industrial machinery, mixers, and military equipment needing 360° rotation.

Featured Products

STM EX-V - Slewing Planetary Gearbox

EX/V Slewing Planetary Gearboxes

Designed for cranes and wind systems, these slewing gearboxes minimise weight and size.
Reggiana Riduttori Slewing Gears

Reggiana Riduttori Slewing Gears

The planetary series dedicated to slewing applications boasts 13 different sizes with peak torque ranging between 1200 and 210000 Nm.

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