Lister Petter LP429EG1 vs SDEC 3ZT1.1-G41
The Lister Petter LP429EG1 and SDEC 3ZT1.1-G41 are both diesel generator engines in a similar power class. Both are rated at roughly 30 kVA. Displacement is 2.9 L versus 1.1 L. The table below compares their full specifications side by side.
| Specification | Lister Petter LP429EG1 | SDEC 3ZT1.1-G41 |
|---|---|---|
| Headline rating | 30 kVA | 30 kVA |
| Standby (50 Hz) | 24 kWe | 24 kWe |
| Prime (50 Hz) | 22 kWe | 23 kWe |
| Standby (60 Hz) | 26 kWe | — |
| Prime (60 Hz) | 24 kWe | — |
| Displacement | 2.9 L | 1.1 L |
| Configuration | L4 | L3 |
| Cylinders | 4 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage III | China National Stage IV / Unregulated |
| Dry weight | — | — |
| Origin | United Kingdom | China |
Choosing between Lister Petter LP429EG1 and SDEC 3ZT1.1-G41
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.