Cummins K38N-G7 vs Mitsubishi GS12R-PTK
The Cummins K38N-G7 and Mitsubishi GS12R-PTK are both natural gas generator engines in a similar power class. Both are rated at roughly 875 kVA. Displacement is 37.8 L versus 49.03 L. The table below compares their full specifications side by side.
| Specification | Cummins K38N-G7 | Mitsubishi GS12R-PTK |
|---|---|---|
| Headline rating | 875 kVA | 875 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | 700 kWe | 700 kWe |
| Standby (60 Hz) | — | 750 kWe |
| Prime (60 Hz) | 700 kWe | — |
| Displacement | 37.8 L | 49.03 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Natural Gas | Natural Gas |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Stationary |
| Dry weight | — | 5350 kg |
| Origin | China | Japan |
Choosing between Cummins K38N-G7 and Mitsubishi GS12R-PTK
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.