Cummins C250N6 vs Jichai JC15Z1
The Cummins C250N6 and Jichai JC15Z1 are both natural gas generator engines in a similar power class. Both are rated at roughly 313 kVA. Displacement is 14 L versus 15.2 L. The table below compares their full specifications side by side.
| Specification | Cummins C250N6 | Jichai JC15Z1 |
|---|---|---|
| Headline rating | 312 kVA | 313 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 250 kWe |
| Standby (60 Hz) | 250 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 14 L | 15.2 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Biogas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | China III (GB20891) |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between Cummins C250N6 and Jichai JC15Z1
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 Jichai JC15Z1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.