Mitsubishi S6R-PTA vs SDEC SC27G830D2
The Mitsubishi S6R-PTA and SDEC SC27G830D2 are both diesel generator engines in a similar power class. Both are rated at roughly 682 kVA. Displacement is 24.51 L versus 27 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S6R-PTA | SDEC SC27G830D2 |
|---|---|---|
| Headline rating | 677 kVA | 686 kVA |
| Standby (50 Hz) | 541.6 kWe | 549 kWe |
| Prime (50 Hz) | 489.6 kWe | 505 kWe |
| Standby (60 Hz) | 622.4 kWe | — |
| Prime (60 Hz) | 565.6 kWe | — |
| Displacement | 24.51 L | 27 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | China National Stage II / Unregulated |
| Dry weight | 2800 kg | — |
| Origin | Japan | China |
Choosing between Mitsubishi S6R-PTA and SDEC SC27G830D2
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 SDEC SC27G830D2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.