Kubota D1803-M-DI-BG-CHN-1T vs Mitsubishi S3L2-Z562SDH
The Kubota D1803-M-DI-BG-CHN-1T and Mitsubishi S3L2-Z562SDH are both diesel generator engines in a similar power class. The Kubota D1803-M-DI-BG-CHN-1T is the higher-output unit (19 kVA vs 18 kVA). Displacement is 1.803 L versus 1.318 L. The table below compares their full specifications side by side.
| Specification | Kubota D1803-M-DI-BG-CHN-1T | Mitsubishi S3L2-Z562SDH |
|---|---|---|
| Headline rating | 19 kVA | 18 kVA |
| Standby (50 Hz) | 15 kWe | 14.3 kWe |
| Prime (50 Hz) | 14 kWe | 12 kWe |
| Standby (60 Hz) | 19 kWe | — |
| Prime (60 Hz) | 17 kWe | — |
| Displacement | 1.803 L | 1.318 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 2,970 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | 140 kg |
| Origin | Japan | Japan |
Choosing between Kubota D1803-M-DI-BG-CHN-1T and Mitsubishi S3L2-Z562SDH
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 Kubota D1803-M-DI-BG-CHN-1T has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.