Cummins KTA38-G4B vs Weichai 12M33D1210E200
The Cummins KTA38-G4B and Weichai 12M33D1210E200 are both diesel generator engines in a similar power class. Both are rated at roughly 1,337 kVA. Displacement is 38 L versus 39.6 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38-G4B | Weichai 12M33D1210E200 |
|---|---|---|
| Headline rating | 1,313 kVA | 1,361 kVA |
| Standby (50 Hz) | — | 1,089 kWe |
| Prime (50 Hz) | — | 990 kWe |
| Standby (60 Hz) | 1,050 kWe | 1,188 kWe |
| Prime (60 Hz) | 950 kWe | 1,080 kWe |
| Displacement | 38 L | 39.6 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage II / Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins KTA38-G4B and Weichai 12M33D1210E200
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 Weichai 12M33D1210E200 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.