Kirloskar 4R1040 vs Yunnei DEF30CDA5
The Kirloskar 4R1040 and Yunnei DEF30CDA5 are both diesel generator engines in a similar power class. Both are rated at roughly 48 kVA. Displacement is 4.2 L versus 3 L. The table below compares their full specifications side by side.
| Specification | Kirloskar 4R1040 | Yunnei DEF30CDA5 |
|---|---|---|
| Headline rating | 48 kVA | 48 kVA |
| Standby (50 Hz) | 38.3 kWe | — |
| Prime (50 Hz) | 34.9 kWe | 38 kWe |
| Standby (60 Hz) | 45.6 kWe | — |
| Prime (60 Hz) | 41 kWe | — |
| Displacement | 4.2 L | 3 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 Tier 2 | Euro Stage V |
| Dry weight | — | — |
| Origin | India | China |
Choosing between Kirloskar 4R1040 and Yunnei DEF30CDA5
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.