Caterpillar G3520C vs Cummins HSK78G
The Caterpillar G3520C and Cummins HSK78G are both biogas generator engines in a similar power class. Both are rated at roughly 2,490 kVA. Displacement is 84.2 L versus 78 L. The table below compares their full specifications side by side.
| Specification | Caterpillar G3520C | Cummins HSK78G |
|---|---|---|
| Headline rating | 2,480 kVA | 2,500 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 1,984 kWe | 2,000 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | 1,950 kWe | — |
| Displacement | 84.2 L | 78 L |
| Configuration | V20 | V12 |
| Cylinders | 20 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Biogas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | United States |