Caterpillar 3612 vs Kohler KD103V20
The Caterpillar 3612 and Kohler KD103V20 are both diesel generator engines in a similar power class. The Caterpillar 3612 is the higher-output unit (5,375 kVA vs 4,375 kVA). Displacement is 221.6 L versus 103.4 L. The table below compares their full specifications side by side.
| Specification | Caterpillar 3612 | Kohler KD103V20 |
|---|---|---|
| Headline rating | 5,375 kVA | 4,375 kVA |
| Standby (50 Hz) | 4,300 kWe | 3,500 kWe |
| Prime (50 Hz) | 3,880 kWe | 3,180 kWe |
| Standby (60 Hz) | 4,000 kWe | 4,000 kWe |
| Prime (60 Hz) | 3,640 kWe | 3,640 kWe |
| Displacement | 221.6 L | 103.4 L |
| Configuration | V12 | V20 |
| Cylinders | 12 | 20 |
| Rated speed | 1,000 / 1,200 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | United States | France |