Mitsubishi S12U-PTA vs MTU MTU 20V4000 G24F
The Mitsubishi S12U-PTA and MTU MTU 20V4000 G24F are both diesel generator engines in a similar power class. Both are rated at roughly 2,993 kVA. Displacement is 141.15 L versus 95.4 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S12U-PTA | MTU MTU 20V4000 G24F |
|---|---|---|
| Headline rating | 2,990 kVA | 2,995 kVA |
| Standby (50 Hz) | 2,392 kWe | 2,396 kWe |
| Prime (50 Hz) | 2,308 kWe | 2,178 kWe |
| Standby (60 Hz) | 2,568 kWe | — |
| Prime (60 Hz) | 2,447.2 kWe | — |
| Displacement | 141.15 L | 95.4 L |
| Configuration | V12 | V20 |
| Cylinders | 12 | 20 |
| Rated speed | 900 / 1,080 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 15500 kg | — |
| Origin | Japan | Germany |
Choosing between Mitsubishi S12U-PTA and MTU MTU 20V4000 G24F
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 MTU MTU 20V4000 G24F has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.