Cummins KTA50-G8 vs Mitsubishi S6U2-PTA
The Cummins KTA50-G8 and Mitsubishi S6U2-PTA are both diesel generator engines in a similar power class. Both are rated at roughly 1,654 kVA. Displacement is 50.3 L versus 81.43 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA50-G8 | Mitsubishi S6U2-PTA |
|---|---|---|
| Headline rating | 1,650 kVA | 1,657 kVA |
| Standby (50 Hz) | 1,320 kWe | 1,325.6 kWe |
| Prime (50 Hz) | 1,100 kWe | 1,240.8 kWe |
| Standby (60 Hz) | — | 1,193.6 kWe |
| Prime (60 Hz) | — | 1,134.4 kWe |
| Displacement | 50.3 L | 81.43 L |
| Configuration | V16 | L6 |
| Cylinders | 16 | 6 |
| Rated speed | 1,500 RPM | 900 / 1,080 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | 8650 kg |
| Origin | China | Japan |
Choosing between Cummins KTA50-G8 and Mitsubishi S6U2-PTA
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 S6U2-PTA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.