Wärtsilä 20V34SG
Wärtsilä 20V34SG — 726.5 L V20 four-stroke lean-burn spark-ignited gas engine generating set (Wärtsilä 34SG), for power plants. 9795 kWe at 750 rpm / 50 Hz, 9388 kWe at 720 rpm / 60 Hz; electrical efficiency 48.9%.
Production StatusIn Production
34SG
- Configuration
- V20
- Displacement
- 726.5 L
- Fuel
- Natural Gas
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz750 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 9,795 |
| Apparent power kVA | 12,243.8 |
60 Hz900 RPM
| Rating | Prime |
|---|---|
| Electrical output kWe | 9,388 |
| Apparent power kVA | 11,735 |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Wärtsilä |
| Model | 20V34SG |
| Series | 34SG |
| Configuration | V20 |
| Cylinders | 20 |
| Displacement | 726.5 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Finland |
Check your engine model
The Wärtsilä 20V34SG is a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, rated at 12,244 kVA / 9,795 kWe / prime rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
20v34sgWärtsilä 20V34SG
20V34SG repair parts
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Frequently asked questions
What is the power output of the Wärtsilä 20V34SG?
The Wärtsilä 20V34SG is rated at 12,244 kVA prime at 50 Hz (750 rpm); and 11,735 kVA prime at 60 Hz (900 rpm).
Does the 20V34SG run at 50 Hz or 60 Hz?
The Wärtsilä 20V34SG is available for both 50 Hz (750 rpm) and 60 Hz (900 rpm).
What fuel does the Wärtsilä 20V34SG use?
The Wärtsilä 20V34SG is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the 20V34SG?
The Wärtsilä 20V34SG is a V20 (20-cylinder) engine with a displacement of 726.5 L.
What is the catalog status of the Wärtsilä 20V34SG?
The Wärtsilä 20V34SG is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the 20V34SG?
This page links reference documents for the Wärtsilä 20V34SG. Check each document's title, model coverage, revision and rating conditions before using it for selection.