Cummins L9G18 vs Hyundai DP086CD
The Cummins L9G18 and Hyundai DP086CD are both diesel generator engines in a similar power class. Both are rated at roughly 310 kVA. Displacement is 8.8 L versus 7.5 L. The table below compares their full specifications side by side.
| Specification | Cummins L9G18 | Hyundai DP086CD |
|---|---|---|
| Headline rating | 311 kVA | 309 kVA |
| Standby (50 Hz) | 249 kWe | 247 kWe |
| Prime (50 Hz) | 228 kWe | 224 kWe |
| Standby (60 Hz) | 258 kWe | 280 kWe |
| Prime (60 Hz) | 235 kWe | 254 kWe |
| Displacement | 8.8 L | 7.5 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 / EU Stage V | Unregulated |
| Dry weight | — | — |
| Origin | United States | South Korea |
Choosing between Cummins L9G18 and Hyundai DP086CD
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 Cummins L9G18 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.