Lister Petter LP322EVG1 vs Perkins 1103D33G3
The Lister Petter LP322EVG1 and Perkins 1103D33G3 are both diesel generator engines in a similar power class. Both are rated at roughly 35 kVA. Displacement is 2.2 L versus 3.3 L. The table below compares their full specifications side by side.
| Specification | Lister Petter LP322EVG1 | Perkins 1103D33G3 |
|---|---|---|
| Headline rating | 34 kVA | 35 kVA |
| Standby (50 Hz) | 28 kWe | 28 kWe |
| Prime (50 Hz) | 25 kWe | 25 kWe |
| Standby (60 Hz) | 33 kWe | — |
| Prime (60 Hz) | 30 kWe | — |
| Displacement | 2.2 L | 3.3 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V | EU Stage IIIA |
| Dry weight | — | — |
| Origin | United Kingdom | United Kingdom / India |
Choosing between Lister Petter LP322EVG1 and Perkins 1103D33G3
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 Perkins 1103D33G3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.