Mitsubishi S12A2-PTA2 vs VMAN D30A2
The Mitsubishi S12A2-PTA2 and VMAN D30A2 are both diesel generator engines in a similar power class. Both are rated at roughly 994 kVA. Displacement is 33.93 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S12A2-PTA2 | VMAN D30A2 |
|---|---|---|
| Headline rating | 998 kVA | 990 kVA |
| Standby (50 Hz) | 798.4 kWe | 792 kWe |
| Prime (50 Hz) | 725.6 kWe | 716 kWe |
| Standby (60 Hz) | 902.4 kWe | — |
| Prime (60 Hz) | 820.8 kWe | — |
| Displacement | 33.93 L | 29.235 L |
| Configuration | V12 | V16 |
| Cylinders | 12 | 16 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 3400 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S12A2-PTA2 and VMAN D30A2
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 Mitsubishi S12A2-PTA2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.