Caterpillar 3412 vs Mitsubishi S6R2-PTAA-C
The Caterpillar 3412 and Mitsubishi S6R2-PTAA-C are both diesel generator engines in a similar power class. Both are rated at roughly 800 kVA. Displacement is 27 L versus 17.46 L. The table below compares their full specifications side by side.
| Specification | Caterpillar 3412 | Mitsubishi S6R2-PTAA-C |
|---|---|---|
| Headline rating | 800 kVA | 799 kVA |
| Standby (50 Hz) | 640 kWe | 639 kWe |
| Prime (50 Hz) | 580 kWe | 580.5 kWe |
| Standby (60 Hz) | 800 kWe | — |
| Prime (60 Hz) | 727 kWe | — |
| Displacement | 27 L | 17.46 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | — | — |
| Origin | USA | China |