Cummins KTA38G3 vs SDEC 6KTAA25-G320.1
The Cummins KTA38G3 and SDEC 6KTAA25-G320.1 are both diesel generator engines in a similar power class. Both are rated at roughly 1,018 kVA. Displacement is 38 L versus 25 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38G3 | SDEC 6KTAA25-G320.1 |
|---|---|---|
| Headline rating | 1,020 kVA | 1,015 kVA |
| Standby (50 Hz) | 816 kWe | — |
| Prime (50 Hz) | 741 kWe | — |
| Standby (60 Hz) | 909 kWe | 812 kWe |
| Prime (60 Hz) | 833 kWe | 738 kWe |
| Displacement | 38 L | 25 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | India | China |
Choosing between Cummins KTA38G3 and SDEC 6KTAA25-G320.1
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 Cummins KTA38G3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.