Cummins KTA38G3 vs VMAN D30B3
The Cummins KTA38G3 and VMAN D30B3 are both diesel generator engines in a similar power class. Both are rated at roughly 1,022 kVA. Displacement is 38 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38G3 | VMAN D30B3 |
|---|---|---|
| Headline rating | 1,020 kVA | 1,024 kVA |
| Standby (50 Hz) | 816 kWe | — |
| Prime (50 Hz) | 741 kWe | — |
| Standby (60 Hz) | 909 kWe | 819 kWe |
| Prime (60 Hz) | 833 kWe | 743 kWe |
| Displacement | 38 L | 29.235 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | India | China |
Choosing between Cummins KTA38G3 and VMAN D30B3
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 VMAN D30B3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.