Cummins KTA38-G1B vs MAN D2840
The Cummins KTA38-G1B and MAN D2840 are both diesel generator engines in a similar power class. Both are rated at roughly 790 kVA. Displacement is 38 L versus 18.3 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38-G1B | MAN D2840 |
|---|---|---|
| Headline rating | 788 kVA | 792 kVA |
| Standby (50 Hz) | 630 kWe | 633.6 kWe |
| Prime (50 Hz) | 570 kWe | 542.4 kWe |
| Standby (60 Hz) | 770 kWe | — |
| Prime (60 Hz) | 700 kWe | — |
| Displacement | 38 L | 18.3 L |
| Configuration | V12 | V10 |
| Cylinders | 12 | 10 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage II |
| Dry weight | — | — |
| Origin | China | Germany |
Choosing between Cummins KTA38-G1B and MAN D2840
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 MAN D2840 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.