Niigata 12V28AGS vs Waukesha 275GL+ 16V
The Niigata 12V28AGS and Waukesha 275GL+ 16V are both natural gas generator engines in a similar power class. The Niigata 12V28AGS is the higher-output unit (5,000 kVA vs 4,520 kVA). Displacement is 288 L versus 285 L. The table below compares their full specifications side by side.
| Specification | Niigata 12V28AGS | Waukesha 275GL+ 16V |
|---|---|---|
| Headline rating | 5,000 kVA | 4,520 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 4,000 kWe | 3,616 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 288 L | 285 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 750 RPM | 1,000 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | Japan | United States |