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The slewing drive DAT 250 wind is part of the Liebherr series-production for wind turbines. The gearbox size 250 can be designed with a short output shaft (design 1) or long output shaft (design 2) and is suitable for use as a pitch gearbox.

metricimperial
  • Reference output torque, dynamic - 8,500 Nm

  • Output torque Tmax - 21,900 Nm

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Reference output torque, dynamic
8,500 Nm
Output torque Tmax
21,900 Nm
Areas of application
Wind energy
Gear transmission ratios (pitch)
105.5 / 120.9 / 127.4 / 132.6 / 150.3 / 164.9 / 188.7 / 194.8

Variants

TypeDesign 1Design 2
Diameter of centering seat (mm)220190 / 210
External diameter (mm)280270
Pitch circle diameter (mm)250245
Number of bolts1212
Diameter of bolts (mm)17.514.0
Installation depth (mm)68185
Height of centering seat (mm)20.015.0 / 45.0
Gearbox height (mm)400325
Flange height (mm)25113
Number of teeth (output pinion)1514
Gear module of output pinion1210
Height of output pinion (mm)110105
Weight (three-stage model) (kg)115110
Diameter of output pinion (mm)215170