Mitsubishi S4L2-Z5T61SD vs Yanmar 3TNV88F-UG6GE
The Mitsubishi S4L2-Z5T61SD and Yanmar 3TNV88F-UG6GE are both diesel generator engines in a similar power class. The Mitsubishi S4L2-Z5T61SD is the higher-output unit (19 kVA vs 18 kVA). Displacement is 1.758 L versus 1.494 L. The table below compares their full specifications side by side.
| Specification | Mitsubishi S4L2-Z5T61SD | Yanmar 3TNV88F-UG6GE |
|---|---|---|
| Headline rating | 19 kVA | 18 kVA |
| Standby (50 Hz) | 15 kWe | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | — | 14.1 kWe |
| Prime (60 Hz) | — | — |
| Displacement | 1.758 L | 1.494 L |
| Configuration | L4 | L3 |
| Cylinders | 4 | 3 |
| Rated speed | 1,500 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V | U.S. EPA Final Tier 4 |
| Dry weight | 170 kg | — |
| Origin | Japan | Japan |
Choosing between Mitsubishi S4L2-Z5T61SD and Yanmar 3TNV88F-UG6GE
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 Mitsubishi S4L2-Z5T61SD has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.