Mitsubishi S6R-A2PTAW vs VMAN D22B2
The Mitsubishi S6R-A2PTAW and VMAN D22B2 are both diesel generator engines in a similar power class. Both are rated at roughly 706 kVA. Displacement is 24.51 L versus 21.927 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6R-A2PTAW | VMAN D22B2 |
|---|---|---|
| Headline rating | 707 kVA | 705 kVA |
| Standby (50 Hz) | 565.6 kWe | — |
| Prime (50 Hz) | 513.6 kWe | — |
| Standby (60 Hz) | — | 564 kWe |
| Prime (60 Hz) | — | 509 kWe |
| Displacement | 24.51 L | 21.927 L |
| Configuration | L6 | V12 |
| Cylinders | 6 | 12 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | 2705 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S6R-A2PTAW and VMAN D22B2
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 S6R-A2PTAW has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.