Cummins C175N6B vs Yuchai YC6MK315N-D30
The Cummins C175N6B and Yuchai YC6MK315N-D30 are both natural gas generator engines in a similar power class. Both are rated at roughly 222 kVA. Displacement is 8.9 L versus 10.338 L. The table below compares their full specifications side by side.
| Specification | Cummins C175N6B | Yuchai YC6MK315N-D30 |
|---|---|---|
| Headline rating | 218 kVA | 225 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 180 kWe |
| Standby (60 Hz) | 175 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 8.9 L | 10.338 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Stationary | Unregulated |
| Dry weight | — | — |
| Origin | United States | China |
Choosing between Cummins C175N6B and Yuchai YC6MK315N-D30
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 Yuchai YC6MK315N-D30 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.