Hatz 3M41 vs Sida Power 4DW
The Hatz 3M41 and Sida Power 4DW are both diesel generator engines in a similar power class. Both are rated at roughly 28 kVA. Displacement is 2.5 L versus 2.77 L. The table below compares their full specifications side by side.
| Specification | Hatz 3M41 | Sida Power 4DW |
|---|---|---|
| Headline rating | 28 kVA | 28 kVA |
| Standby (50 Hz) | 22 kWe | 22 kWe |
| Prime (50 Hz) | 20 kWe | 20 kWe |
| Standby (60 Hz) | 28 kWe | 28 kWe |
| Prime (60 Hz) | 25 kWe | 26 kWe |
| Displacement | 2.5 L | 2.77 L |
| Configuration | L3 | L4 |
| Cylinders | 3 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Air-Cooled | Liquid-Cooled |
| Emissions | Euro Stage IIIA | Application-dependent |
| Dry weight | — | 250 kg |
| Origin | Germany | China |
Choosing between Hatz 3M41 and Sida Power 4DW
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.