Cummins C1100N6C vs Perkins 4012-46TWG2A
The Cummins C1100N6C and Perkins 4012-46TWG2A are both natural gas generator engines in a similar power class. Both are rated at roughly 1,380 kVA. Displacement is 60.2 L versus 45.8 L. The table below compares their full specifications side by side.
| Specification | Cummins C1100N6C | Perkins 4012-46TWG2A |
|---|---|---|
| Headline rating | 1,375 kVA | 1,385 kVA |
| Standby (50 Hz) | — | 1,108 kWe |
| Prime (50 Hz) | — | 1,000 kWe |
| Standby (60 Hz) | — | 1,108 kWe |
| Prime (60 Hz) | 1,100 kWe | 1,002 kWe |
| Displacement | 60.2 L | 45.8 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | — | Unregulated |
| Dry weight | — | — |
| Origin | United States | United Kingdom |
Choosing between Cummins C1100N6C and Perkins 4012-46TWG2A
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 Perkins 4012-46TWG2A has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.