Hatz 4M41 vs Lister Petter LP322EVG1
The Hatz 4M41 and Lister Petter LP322EVG1 are both diesel generator engines in a similar power class. Both are rated at roughly 35 kVA. Displacement is 3.3 L versus 2.2 L. The table below compares their full specifications side by side.
| Specification | Hatz 4M41 | Lister Petter LP322EVG1 |
|---|---|---|
| Headline rating | 35 kVA | 35 kVA |
| Standby (50 Hz) | 28 kWe | 28 kWe |
| Prime (50 Hz) | 26 kWe | 25 kWe |
| Standby (60 Hz) | 35 kWe | 33 kWe |
| Prime (60 Hz) | 32 kWe | 30 kWe |
| Displacement | 3.3 L | 2.2 L |
| Configuration | L4 | L3 |
| Cylinders | 4 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Cooled | Liquid-Cooled |
| Emissions | Euro Stage IIIA | Euro Stage V |
| Dry weight | — | — |
| Origin | Germany | United Kingdom |
Choosing between Hatz 4M41 and Lister Petter LP322EVG1
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.