Cummins QSK38-G5 vs Weichai 12M33D1240E310
The Cummins QSK38-G5 and Weichai 12M33D1240E310 are both diesel generator engines in a similar power class. Both are rated at roughly 1,398 kVA. Displacement is 37.7 L versus 39.6 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK38-G5 | Weichai 12M33D1240E310 |
|---|---|---|
| Headline rating | 1,401 kVA | 1,395 kVA |
| Standby (50 Hz) | 1,121 kWe | 1,116 kWe |
| Prime (50 Hz) | 1,020 kWe | 1,017 kWe |
| Standby (60 Hz) | 1,162 kWe | — |
| Prime (60 Hz) | 969 kWe | — |
| Displacement | 37.7 L | 39.6 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | United States | China |