Caterpillar C1.1 vs Kubota D905-E2BG-CHN-1
The Caterpillar C1.1 and Kubota D905-E2BG-CHN-1 are both diesel generator engines in a similar power class. Both are rated at roughly 9 kVA. Displacement is 1.1 L versus 0.905 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C1.1 | Kubota D905-E2BG-CHN-1 |
|---|---|---|
| Headline rating | 9 kVA | 9 kVA |
| Standby (50 Hz) | 7.6 kWe | 7 kWe |
| Prime (50 Hz) | 6.8 kWe | 6 kWe |
| Standby (60 Hz) | 8.8 kWe | 8 kWe |
| Prime (60 Hz) | 8 kWe | 7 kWe |
| Displacement | 1.1 L | 0.905 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage IIIA | Unregulated |
| Dry weight | — | — |
| Origin | Japan | Japan |
Choosing between Caterpillar C1.1 and Kubota D905-E2BG-CHN-1
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.