Caterpillar 3616 vs Daihatsu 12DK-36e
The Caterpillar 3616 and Daihatsu 12DK-36e are both diesel generator engines in a similar power class. The Daihatsu 12DK-36e is the higher-output unit (7,963 kVA vs 7,150 kVA). Displacement is 295.5 L versus 587 L. The table below compares their full specifications side by side.
| Specification | Caterpillar 3616 | Daihatsu 12DK-36e |
|---|---|---|
| Headline rating | 7,150 kVA | 7,963 kVA |
| Standby (50 Hz) | 5,720 kWe | 6,370 kWe |
| Prime (50 Hz) | 5,200 kWe | 5,860.4 kWe |
| Standby (60 Hz) | 5,320 kWe | — |
| Prime (60 Hz) | 4,840 kWe | — |
| Displacement | 295.5 L | 587 L |
| Configuration | V16 | V12 |
| Cylinders | 16 | 12 |
| Rated speed | 1,000 / 1,200 RPM | 600 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 2 | Unregulated |
| Dry weight | — | — |
| Origin | United States | Japan |
Choosing between Caterpillar 3616 and Daihatsu 12DK-36e
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 12DK-36e has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.