SDEC 3Z1.1-G41 vs Yanmar 4TNV88-BIGE
The SDEC 3Z1.1-G41 and Yanmar 4TNV88-BIGE are both diesel generator engines in a similar power class. Both are rated at roughly 21 kVA. Displacement is 1.1 L versus 2.351 L. The table below compares their full specifications side by side.
| Specification | SDEC 3Z1.1-G41 | Yanmar 4TNV88-BIGE |
|---|---|---|
| Headline rating | 21 kVA | 21 kVA |
| Standby (50 Hz) | 17 kWe | 16.7 kWe |
| Prime (50 Hz) | 15 kWe | — |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 1.1 L | 2.351 L |
| Configuration | L3 | L4 |
| Cylinders | 3 | 4 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage IV / Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | China | Japan |
Choosing between SDEC 3Z1.1-G41 and Yanmar 4TNV88-BIGE
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.