Caterpillar C1.5 vs Kubota D722-E3B-CHN-2
The Caterpillar C1.5 and Kubota D722-E3B-CHN-2 are both diesel generator engines in a similar power class. Both are rated at roughly 14 kVA. Displacement is 1.5 L versus 0.722 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C1.5 | Kubota D722-E3B-CHN-2 |
|---|---|---|
| Headline rating | 14 kVA | 14 kVA |
| Standby (50 Hz) | 10.8 kWe | — |
| Prime (50 Hz) | 10 kWe | — |
| Standby (60 Hz) | 13 kWe | 11 kWe |
| Prime (60 Hz) | 12 kWe | 10 kWe |
| Displacement | 1.5 L | 0.722 L |
| Configuration | L3 | L3 |
| Cylinders | 3 | 3 |
| Rated speed | 1,500 / 1,800 RPM | 3,600 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage IIIA | Unregulated |
| Dry weight | — | — |
| Origin | Japan | Japan |
Choosing between Caterpillar C1.5 and Kubota D722-E3B-CHN-2
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.