Cummins KTA50-G8E vs Mitsubishi S12R-PTA3
The Cummins KTA50-G8E and Mitsubishi S12R-PTA3 are both diesel generator engines in a similar power class. Both are rated at roughly 1,625 kVA. Displacement is 50.3 L versus 49.03 L. The table below compares their full specifications side by side.
| Specification | Cummins KTA50-G8E | Mitsubishi S12R-PTA3 |
|---|---|---|
| Headline rating | 1,625 kVA | 1,625 kVA |
| Standby (50 Hz) | 1,300 kWe | 1,300 kWe |
| Prime (50 Hz) | 1,200 kWe | 1,200 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 50.3 L | 49.03 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | Japan |
Choosing between Cummins KTA50-G8E and Mitsubishi S12R-PTA3
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.