Cummins QSZ13-G3 vs Hyundai DP158LD
The Cummins QSZ13-G3 and Hyundai DP158LD are both diesel generator engines in a similar power class. Both are rated at roughly 589 kVA. Displacement is 13 L versus 15.1 L. The table below compares their full specifications side by side.
| Specification | Cummins QSZ13-G3 | Hyundai DP158LD |
|---|---|---|
| Headline rating | 594 kVA | 583 kVA |
| Standby (50 Hz) | 475 kWe | 466 kWe |
| Prime (50 Hz) | 380 kWe | 423 kWe |
| Standby (60 Hz) | 475 kWe | 501 kWe |
| Prime (60 Hz) | 380 kWe | 453 kWe |
| Displacement | 13 L | 15.1 L |
| Configuration | L6 | V8 |
| Cylinders | 6 | 8 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | — |
| Origin | China | South Korea |
Choosing between Cummins QSZ13-G3 and Hyundai DP158LD
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 QSZ13-G3 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.