Cummins KTA38-G2B vs VMAN D22.2
The Cummins KTA38-G2B and VMAN D22.2 are both diesel generator engines in a similar power class. Both are rated at roughly 889 kVA. Displacement is 38 L versus 21.927 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA38-G2B | VMAN D22.2 |
|---|---|---|
| Headline rating | 888 kVA | 889 kVA |
| Standby (50 Hz) | 710 kWe | — |
| Prime (50 Hz) | 640 kWe | — |
| Standby (60 Hz) | 830 kWe | 711 kWe |
| Prime (60 Hz) | 750 kWe | 646 kWe |
| Displacement | 38 L | 21.927 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between Cummins KTA38-G2B and VMAN D22.2
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 D22.2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.
