Kubota D905-E2BG-CHN-1 vs Yanmar 3TNM74F-NGGE
The Kubota D905-E2BG-CHN-1 and Yanmar 3TNM74F-NGGE are both diesel generator engines in a similar power class. The Kubota D905-E2BG-CHN-1 is the higher-output unit (9 kVA vs 8 kVA). Displacement is 0.905 L versus 0.993 L. The table below compares their full specifications side by side.
| Specification | Kubota D905-E2BG-CHN-1 | Yanmar 3TNM74F-NGGE |
|---|---|---|
| Headline rating | 9 kVA | 8 kVA |
| Standby (50 Hz) | 7 kWe | 6.6 kWe |
| Prime (50 Hz) | 6 kWe | — |
| Standby (60 Hz) | 8 kWe | — |
| Prime (60 Hz) | 7 kWe | — |
| Displacement | 0.905 L | 0.993 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Euro Stage V |
| Dry weight | — | — |
| Origin | Japan | Japan |
Choosing between Kubota D905-E2BG-CHN-1 and Yanmar 3TNM74F-NGGE
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 D905-E2BG-CHN-1 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.