SDEC 6KTAA25-G320 vs VMAN D30B3
The SDEC 6KTAA25-G320 and VMAN D30B3 are both diesel generator engines in a similar power class. Both are rated at roughly 1,020 kVA. Displacement is 25 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | SDEC 6KTAA25-G320 | VMAN D30B3 |
|---|---|---|
| Headline rating | 1,015 kVA | 1,024 kVA |
| Standby (50 Hz) | 812 kWe | — |
| Prime (50 Hz) | 738 kWe | — |
| Standby (60 Hz) | — | 819 kWe |
| Prime (60 Hz) | — | 743 kWe |
| Displacement | 25 L | 29.235 L |
| Configuration | L6 | V16 |
| Cylinders | 6 | 16 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | China |
Choosing between SDEC 6KTAA25-G320 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.