Cummins C1800N6CD vs Waukesha VHP P9394GSI
The Cummins C1800N6CD and Waukesha VHP P9394GSI are both natural gas generator engines in a similar power class. Both are rated at roughly 2,243 kVA. Displacement is 78 L versus 153.9 L. The table below compares their full specifications side by side.
| Specification | Cummins C1800N6CD | Waukesha VHP P9394GSI |
|---|---|---|
| Headline rating | 2,250 kVA | 2,236 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,800 kWe | 1,789 kWe |
| Displacement | 78 L | 153.9 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 1,800 RPM | 1,440 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | — | Unregulated |
| Dry weight | — | — |
| Origin | United States | United States |
Choosing between Cummins C1800N6CD and Waukesha VHP P9394GSI
Use this comparison as an engineering shortlist, then confirm the complete generator package against load profile, voltage, 50/60 Hz frequency, duty class, emissions rules, cooling margin, altitude, ambient temperature, enclosure design, controller features, and alternator sizing. The Cummins C1800N6CD has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.