Bonfiglioli Yaw & Pitch drives

700 tw Series - electric

Bonfiglioli products are used in the latest state-of-the-art wind turbines to control the necessary functions of pitch and yaw drive systems. 700TW series planetary speed gearboxes (wind turbine yaw control gear motors) are used by a number of leading wind turbine manufacturers due to their advanced technical features, ensuring the highest level of performance.


  • Key benefits
    High transmissible torque
    High radial/trust load capacity
    High shock resitance
    Compact dimensions
    Low weight
    Low cost
  • Torque range
    2,500 … 300,000 Nm
  • Gear ratios
    60 … 3,000
  • Applicable motors
    Electric motors

key features

  • Flange mounted
  • Output shaft: splined or with integral pinion
  • Rugged construction
  • High torque capacity
  • Output shafts supported by heavy-duty bearings