Cummins KT38-G vs Hyundai DP158CD
The Cummins KT38-G and Hyundai DP158CD are both diesel generator engines in a similar power class. Both are rated at roughly 702 kVA. Displacement is 38 L versus 15.1 L. The table below compares their full specifications side by side.
| Specification | Cummins KT38-G | Hyundai DP158CD |
|---|---|---|
| Headline rating | 700 kVA | 703 kVA |
| Standby (50 Hz) | 560 kWe | 562 kWe |
| Prime (50 Hz) | 500 kWe | 509 kWe |
| Standby (60 Hz) | 680 kWe | 600 kWe |
| Prime (60 Hz) | 620 kWe | 550 kWe |
| Displacement | 38 L | 15.1 L |
| Configuration | V12 | L6 |
| Cylinders | 12 | 6 |
| 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 KT38-G and Hyundai DP158CD
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 Hyundai DP158CD has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.