Isuzu 4HK1X vs Yunnei DEF47CZDA5
The Isuzu 4HK1X and Yunnei DEF47CZDA5 are both diesel generator engines in a similar power class. Both are rated at roughly 135 kVA. Displacement is 5.193 L versus 4.7 L. The table below compares their full specifications side by side.
| Specification | Isuzu 4HK1X | Yunnei DEF47CZDA5 |
|---|---|---|
| Headline rating | 134 kVA | 135 kVA |
| Standby (50 Hz) | 106.9 kWe | — |
| Prime (50 Hz) | 97.2 kWe | 108 kWe |
| Standby (60 Hz) | 125.7 kWe | — |
| Prime (60 Hz) | 114.3 kWe | — |
| Displacement | 5.193 L | 4.7 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | Euro Stage V |
| Dry weight | — | — |
| Origin | Japan | China |
Choosing between Isuzu 4HK1X and Yunnei DEF47CZDA5
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 Yunnei DEF47CZDA5 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.