Wartsila
Wärtsilä 20V34SG Gas Engine Generator Set — 9.4–10.8 MW
New-surplus Wärtsilä 20V34SG gas engine generator set for sale — a 10 MW-class, 20-cylinder medium-speed power-plant engine at up to 48.9% electrical efficiency.
New-surplus Wärtsilä 20V34SG gas engine generator set available through Pantheon — the largest of Wärtsilä’s 34SG lean-burn spark-ignited gas engines. It is rated 9,795 kW at 50 Hz (750 rpm) and 9,388 kW at 60 Hz (720 rpm) at the generator terminals, at 48.9% and 48.8% electrical efficiency. The power-optimised 20V34SG raises output to 10,777 and 10,368 kW at 47.6% and 47.5%. Smaller sets in the same line are the 12V34SG (5,840 / 5,580 kW) and 16V34SG (7,830 / 7,491 kW). Wärtsilä states its ratings at 1.0 power factor with a ±5% tolerance on efficiency. Exact rating and configuration confirmed at quote.
Specifications
| Type | Medium-speed lean-burn gas engine generator set |
|---|---|
| Output, 50 Hz | 9,795 kW at 750 rpm · 10,777 kW power-optimised |
| Output, 60 Hz | 9,388 kW at 720 rpm · 10,368 kW power-optimised |
| Efficiency | 48.9% (50 Hz) · 48.8% (60 Hz) · power-optimised 47.6% / 47.5% |
| Rating basis | At generator terminals · 1.0 power factor · ±5% tolerance on efficiency |
| Fuel | Natural gas |
| 34SG family | 12V34SG 5,840 / 5,580 kW · 16V34SG 7,830 / 7,491 kW (50 / 60 Hz) |
| Condition | New-surplus |
Specifications shown are headline figures. Confirm full configuration details when you request a quote.
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