Cummins C30N6 vs Weichai WP4D44E201NG
The Cummins C30N6 and Weichai WP4D44E201NG are both natural gas generator engines in a similar power class. Both are rated at roughly 38 kVA. Displacement is 2.4 L versus 4.1 L. The table below compares their full specifications side by side.
| Specification | Cummins C30N6 | Weichai WP4D44E201NG |
|---|---|---|
| Headline rating | 38 kVA | 38 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 30 kWe |
| Standby (60 Hz) | 30 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 2.4 L | 4.1 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| 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 C30N6 and Weichai WP4D44E201NG
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.