Kawasaki KG-18 vs Wärtsilä 20V34SG
The Kawasaki KG-18 and Wärtsilä 20V34SG are both natural gas generator engines in a similar power class. The Wärtsilä 20V34SG is the higher-output unit (12,244 kVA vs 9,750 kVA). Displacement is 610.7 L versus 726.5 L. The table below compares their full specifications side by side.
| Specification | Kawasaki KG-18 | Wärtsilä 20V34SG |
|---|---|---|
| Headline rating | 9,750 kVA | 12,244 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 7,800 kWe | 9,795 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 7,500 kWe | 9,388 kWe |
| Displacement | 610.7 L | 726.5 L |
| Configuration | V18 | V20 |
| Cylinders | 18 | 20 |
| Rated speed | 750 / 900 RPM | 750 / 900 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Japan | Finland |