ECHESA Series GE850PL

Reliability & excellent performance

The 850kW ECHESA GE850PL gearbox, that has been proven through the reliable operation of over 5000MW of Gamesa’s G5X turbines, and still continues to create customer value which each delivered unit by means of the most robust and cost-efficient bearing arrangement.

The main features of the ECHESA GE850PL gearbox are:

modular 3-stage architecture with torque arms to the main frame
spur and helical gearing¹ made from high grade alloy steels
structural castings made from high quality spheroidal graphite iron
lubrication by splash and electrical and mechanical pump injection

The ECHESA GE850PL gearbox, fitted nowadays to Gamesa’s G52 Class IA and G58 Classes IIA/IIB wind turbines, assures optimum performance for low, medium and high winds, making it one of the most reliable and profitable solutions available in the market today.

General details
- Rated power
  
  [kW]
  
  850
- Ratio
  
  –
  
  61.764:1
  
  74.470:1
- Input torque
  
  [kNm]
  
  340.6
  
  342.1
- Input speed
  
  [rpm]
  
  26.22
  
  26.10
- Oil type
  
  –
  
  ISO VG 320
- Oil fill quantity
  
  [litre]
  
  110
- Dry mass
  
  [kg]
  
  5750
- Overall dimensions²
  
  [mm]
  
  1910/1240/1664 (standard breather)
Bearing arrangement³
- Low-speed shaft
  
  Two spherical roller bearings
- Planet shaft
  
  Two integrated cylindrical roller bearings
- Low-speed intermediate shaft
  
  Two spherical roller bearings
- High-speed intermediate shaft
  
  Two cylindrical roller bearings
- High-speed shaft
  
  Cylindrical roller bearing and two tapered roller bearings in X-configuration

1Planetary (1^st stage) & parallel axis (2^nd & 3^rd stages)

2Width/Height/Length

3Shaft designations according to IEC61400-4

60Hz version

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