Cummins QSK19-G31 vs Hyundai DP158CCS
The Cummins QSK19-G31 and Hyundai DP158CCS are both diesel generator engines in a similar power class. Both are rated at roughly 699 kVA. Displacement is 19 L versus 15.1 L. The table below compares their full specifications side by side.
| Specification | Cummins QSK19-G31 | Hyundai DP158CCS |
|---|---|---|
| Headline rating | 700 kVA | 698 kVA |
| Standby (50 Hz) | 560 kWe | 558 kWe |
| Prime (50 Hz) | 509 kWe | 506 kWe |
| Standby (60 Hz) | — | — |
| Prime (60 Hz) | — | — |
| Displacement | 19 L | 15.1 L |
| Configuration | L6 | L6 |
| Cylinders | 6 | 6 |
| Rated speed | 1,500 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | China National Stage III / Unregulated | U.S. EPA Tier 3 |
| Dry weight | — | — |
| Origin | China | South Korea |
Choosing between Cummins QSK19-G31 and Hyundai DP158CCS
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 QSK19-G31 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.