Lister Petter LP625EG6 vs Mitsubishi S6R2-PTAA
The Lister Petter LP625EG6 and Mitsubishi S6R2-PTAA are both diesel generator engines in a similar power class. Both are rated at roughly 821 kVA. Displacement is 25.18 L versus 29.96 L. The table below compares their full specifications side by side.
| Specification | Lister Petter LP625EG6 | Mitsubishi S6R2-PTAA |
|---|---|---|
| Headline rating | 820 kVA | 821 kVA |
| Standby (50 Hz) | — | 657 kWe |
| Prime (50 Hz) | — | 598.5 kWe |
| Standby (60 Hz) | 656 kWe | 535.5 kWe |
| Prime (60 Hz) | 600 kWe | 486 kWe |
| Displacement | 25.18 L | 29.96 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage III | Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | Japan |
Choosing between Lister Petter LP625EG6 and Mitsubishi S6R2-PTAA
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 S6R2-PTAA has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.