Komatsu SAA6D140E vs Lister Petter LP625SG2
The Komatsu SAA6D140E and Lister Petter LP625SG2 are both diesel generator engines in a similar power class. Both are rated at roughly 630 kVA. Displacement is 15.24 L versus 25.18 L. The table below compares their full specifications side by side.
| Specification | Komatsu SAA6D140E | Lister Petter LP625SG2 |
|---|---|---|
| Headline rating | 630 kVA | 630 kVA |
| Standby (50 Hz) | 504 kWe | 504 kWe |
| Prime (50 Hz) | 453.6 kWe | 460 kWe |
| Standby (60 Hz) | 604.8 kWe | 556 kWe |
| Prime (60 Hz) | 544.3 kWe | 510 kWe |
| Displacement | 15.24 L | 25.18 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage III |
| Dry weight | — | — |
| Origin | Japan | United Kingdom |
Choosing between Komatsu SAA6D140E and Lister Petter LP625SG2
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.