Mitsubishi S8U-PTA vs MTU MTU 12V4000 G84F
The Mitsubishi S8U-PTA and MTU MTU 12V4000 G84F are both diesel generator engines in a similar power class. Both are rated at roughly 1,981 kVA. Displacement is 94.1 L versus 57.2 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S8U-PTA | MTU MTU 12V4000 G84F |
|---|---|---|
| Headline rating | 1,993 kVA | 1,969 kVA |
| Standby (50 Hz) | 1,594.4 kWe | 1,575 kWe |
| Prime (50 Hz) | 1,538.4 kWe | — |
| Standby (60 Hz) | 1,712 kWe | — |
| Prime (60 Hz) | 1,631.2 kWe | — |
| Displacement | 94.1 L | 57.2 L |
| Configuration | V8 | V12 |
| Cylinders | 8 | 12 |
| Rated speed | 900 / 1,080 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | 11000 kg | — |
| Origin | Japan | Germany |
Choosing between Mitsubishi S8U-PTA and MTU MTU 12V4000 G84F
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 S8U-PTA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.