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Manufacturers and turbines
XEMC-Darwind XD137-4000
| XEMC-Darwind XD137-4000 |  |
4 MW turbine - Class IEC  - Old model |
4 MW
⌀ 137 m
Onshore
IEC 
271 W/m²
General data 
| Manufacturer | XEMC-Darwind |
| Name | XD137-4000 |
| Product range | |
| Rated power | 4 MW |
| Rotor diameter | 137 m |
| IEC class | |
| Market | Onshore |
| Swept area | 14,742 m² |
| Specific power | 271 W/m² |
| Specific area | 3.69 m²/kW |
| Number of blades | 3 |
| Power control | Pitch |
Availability
| Market availability | No more available |
| Start of production | |
| End of production | |
Weights
| Nacelle | |
| Tower | |
| Rotor + hub | |
| Total | |
Rotor
| Maximum rotor speed | |
| Maximum blade tip speed | |
| Cut-in wind speed | |
| Rated wind speed | |
| Cut-off wind speed | |
| Manufacturer | |
Gear box
| Drivetrain type | Direct drive |
Generator
| Type | PM |
| Number | |
| Maximum speed | |
| Voltage | |
Tower
| Minimum hub height | |
| Maximum hub height | |
Databases  Manufacturers (229 entries) Turbines (2,091 entries) Power curves (901 entries) All databases |
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PDF Summary
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Legend #ND: no data #NA: not applicable |
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Update for this sheet 19 June 2026 |
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