Mitsubishi S12R-PTA3-C vs VMAN DE58B5
The Mitsubishi S12R-PTA3-C and VMAN DE58B5 are both diesel generator engines in a similar power class. Both are rated at roughly 1,703 kVA. Displacement is 49.03 L versus 57.2 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S12R-PTA3-C | VMAN DE58B5 |
|---|---|---|
| Headline rating | 1,697 kVA | 1,708 kVA |
| Standby (50 Hz) | 1,357.6 kWe | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | — | 1,366 kWe |
| Prime (60 Hz) | — | 1,242 kWe |
| Displacement | 49.03 L | 57.2 L |
| Configuration | V12 | V12 |
| Cylinders | 12 | 12 |
| 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 Mitsubishi S12R-PTA3-C and VMAN DE58B5
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 DE58B5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.