Mitsubishi S12H-PTA vs VMAN D30AP
The Mitsubishi S12H-PTA and VMAN D30AP are both diesel generator engines in a similar power class. Both are rated at roughly 1,225 kVA. Displacement is 37.11 L versus 29.235 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S12H-PTA | VMAN D30AP |
|---|---|---|
| Headline rating | 1,211 kVA | 1,238 kVA |
| Standby (50 Hz) | 968.8 kWe | 990 kWe |
| Prime (50 Hz) | 883.2 kWe | 900 kWe |
| Standby (60 Hz) | 1,064 kWe | — |
| Prime (60 Hz) | 968.8 kWe | — |
| Displacement | 37.11 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 | 4450 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S12H-PTA and VMAN D30AP
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 D30AP has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.