Caterpillar C13 vs Cummins NTA855-G3
The Caterpillar C13 and Cummins NTA855-G3 are both diesel generator engines in a similar power class. Both are rated at roughly 438 kVA. Displacement is 12.5 L versus 14 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C13 | Cummins NTA855-G3 |
|---|---|---|
| Headline rating | 438 kVA | 438 kVA |
| Standby (50 Hz) | 350 kWe | — |
| Prime (50 Hz) | 320 kWe | — |
| Standby (60 Hz) | 400 kWe | 350 kWe |
| Prime (60 Hz) | 365 kWe | 315 kWe |
| Displacement | 12.5 L | 14 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | Unregulated |
| Dry weight | — | — |
| Origin | USA | China |