Cummins L9CS4GT2 vs Lister Petter LP689EG2
The Cummins L9CS4GT2 and Lister Petter LP689EG2 are both diesel generator engines in a similar power class. Both are rated at roughly 247 kVA. Displacement is 9 L versus 8.9 L. The table below compares their full specifications side by side.
| Specification | Cummins L9CS4GT2 | Lister Petter LP689EG2 |
|---|---|---|
| Headline rating | 248 kVA | 245 kVA |
| Standby (50 Hz) | 198 kWe | 196 kWe |
| Prime (50 Hz) | 180 kWe | 180 kWe |
| Standby (60 Hz) | — | 220 kWe |
| Prime (60 Hz) | — | 200 kWe |
| Displacement | 9 L | 8.9 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China IV | Euro Stage III |
| Dry weight | — | — |
| Origin | China | United Kingdom |
Choosing between Cummins L9CS4GT2 and Lister Petter LP689EG2
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 Cummins L9CS4GT2 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.