Cummins QSG12-G3 vs Lister Petter LP612EG3
The Cummins QSG12-G3 and Lister Petter LP612EG3 are both diesel generator engines in a similar power class. Both are rated at roughly 410 kVA. The table below compares their full specifications side by side.
| Specification | Cummins QSG12-G3 | Lister Petter LP612EG3 |
|---|---|---|
| Headline rating | 409 kVA | 410 kVA |
| Standby (50 Hz) | 327 kWe | 328 kWe |
| Prime (50 Hz) | 296 kWe | 300 kWe |
| Standby (60 Hz) | 370 kWe | 328 kWe |
| Prime (60 Hz) | 340 kWe | 300 kWe |
| Displacement | 11.8 L | 11.8 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 | 1110 kg | — |
| Origin | China | United Kingdom |
Choosing between Cummins QSG12-G3 and Lister Petter LP612EG3
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 Lister Petter LP612EG3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.