SDEC 3Z1.1-G42 vs Yanmar 3TNV80F-NG6GE
The SDEC 3Z1.1-G42 and Yanmar 3TNV80F-NG6GE are both diesel generator engines in a similar power class. The SDEC 3Z1.1-G42 is the higher-output unit (13 kVA vs 12 kVA). Displacement is 1.1 L versus 1.267 L. The table below compares their full specifications side by side.
| Specification | SDEC 3Z1.1-G42 | Yanmar 3TNV80F-NG6GE |
|---|---|---|
| Headline rating | 13 kVA | 12 kVA |
| Standby (50 Hz) | 10 kWe | — |
| Prime (50 Hz) | 9 kWe | — |
| Standby (60 Hz) | — | 9.6 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 1.1 L | 1.267 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage IV / Unregulated | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | China | Japan |
Choosing between SDEC 3Z1.1-G42 and Yanmar 3TNV80F-NG6GE
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 SDEC 3Z1.1-G42 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.