Daihatsu 8DK-36e vs Kohler KD103V20
The Daihatsu 8DK-36e and Kohler KD103V20 are both diesel generator engines in a similar power class. The Daihatsu 8DK-36e is the higher-output unit (5,431 kVA vs 4,375 kVA). Displacement is 391 L versus 103.4 L. The table below compares their full specifications side by side.
| Specification | Daihatsu 8DK-36e | Kohler KD103V20 |
|---|---|---|
| Headline rating | 5,431 kVA | 4,375 kVA |
| Standby (50 Hz) | 4,345 kWe | 3,500 kWe |
| Prime (50 Hz) | 3,997.4 kWe | 3,180 kWe |
| Standby (60 Hz) | — | 4,000 kWe |
| Prime (60 Hz) | — | 3,640 kWe |
| Displacement | 391 L | 103.4 L |
| Configuration | L8 | V20 |
| Cylinders | 8 | 20 |
| Rated speed | 600 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | Japan | France |
Choosing between Daihatsu 8DK-36e and Kohler KD103V20
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 Daihatsu 8DK-36e has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.