Caterpillar C6.6 vs Hyundai DP054CAK
The Caterpillar C6.6 and Hyundai DP054CAK are both diesel generator engines in a similar power class. Both are rated at roughly 156 kVA. Displacement is 6.6 L versus 5 L. The table below compares their full specifications side by side.
| Specification | Caterpillar C6.6 | Hyundai DP054CAK |
|---|---|---|
| Headline rating | 156 kVA | 156 kVA |
| Standby (50 Hz) | 125 kWe | 125 kWe |
| Prime (50 Hz) | 113 kWe | 113 kWe |
| Standby (60 Hz) | 150 kWe | 131 kWe |
| Prime (60 Hz) | 136 kWe | 118 kWe |
| Displacement | 6.6 L | 5 L |
| Configuration | L6 | L4 |
| Cylinders | 6 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Tier 3 | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | United States | South Korea |
Choosing between Caterpillar C6.6 and Hyundai DP054CAK
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.