Mitsubishi S6R-Y2PTAW vs Weichai 6M33D725E310
The Mitsubishi S6R-Y2PTAW and Weichai 6M33D725E310 are both diesel generator engines in a similar power class. Both are rated at roughly 814 kVA. Displacement is 24.51 L versus 19.8 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6R-Y2PTAW | Weichai 6M33D725E310 |
|---|---|---|
| Headline rating | 813 kVA | 815 kVA |
| Standby (50 Hz) | — | 652 kWe |
| Prime (50 Hz) | — | 608 kWe |
| Standby (60 Hz) | 650.4 kWe | 666 kWe |
| Prime (60 Hz) | 592 kWe | 603 kWe |
| Displacement | 24.51 L | 19.8 L |
| Configuration | L6 | V6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | China National Stage III / Unregulated |
| Dry weight | 2705 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S6R-Y2PTAW and Weichai 6M33D725E310
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 Weichai 6M33D725E310 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.