Caterpillar C3.3 vs Kirloskar 4R1040T
The Caterpillar C3.3 and Kirloskar 4R1040T are both diesel generator engines in a similar power class. Both are rated at roughly 66 kVA. Displacement is 3.3 L versus 4.2 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C3.3 | Kirloskar 4R1040T |
|---|---|---|
| Headline rating | 65 kVA | 66 kVA |
| Standby (50 Hz) | 52 kWe | 53 kWe |
| Prime (50 Hz) | 48 kWe | 48.3 kWe |
| Standby (60 Hz) | 60 kWe | 62.5 kWe |
| Prime (60 Hz) | 55 kWe | 57.1 kWe |
| Displacement | 3.3 L | 4.2 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | USA | India |