Hyundai DP158LD vs Mitsubishi S6A3-PTAA
The Hyundai DP158LD and Mitsubishi S6A3-PTAA are both diesel generator engines in a similar power class. Both are rated at roughly 579 kVA. Displacement is 15.1 L versus 18.56 L. The table below compares their full specifications side by side.
| Specification | Hyundai DP158LD | Mitsubishi S6A3-PTAA |
|---|---|---|
| Headline rating | 583 kVA | 574 kVA |
| Standby (50 Hz) | 466 kWe | 459.2 kWe |
| Prime (50 Hz) | 423 kWe | 418.4 kWe |
| Standby (60 Hz) | 501 kWe | — |
| Prime (60 Hz) | 453 kWe | — |
| Displacement | 15.1 L | 18.56 L |
| Configuration | V8 | L6 |
| Cylinders | 8 | 6 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Unregulated | Unregulated |
| Dry weight | — | 1800 kg |
| Origin | South Korea | Japan |
Choosing between Hyundai DP158LD and Mitsubishi S6A3-PTAA
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 DP158LD has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.