Cummins HSK78G vs Jenbacher J612
The Cummins HSK78G and Jenbacher J612 are both natural gas generator engines in a similar power class. Both are rated at roughly 2,505 kVA. Displacement is 78 L versus 74.9 L. The table below compares their full specifications side by side.
| Specification | Cummins HSK78G | Jenbacher J612 |
|---|---|---|
| Headline rating | 2,500 kVA | 2,509 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 2,000 kWe | 2,007 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 78 L | 74.9 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | United States | Austria |