Yanmar 4TNV98CT-GGE vs Yunnei DEF30CBA5
The Yanmar 4TNV98CT-GGE and Yunnei DEF30CBA5 are both diesel generator engines in a similar power class. Both are rated at roughly 57 kVA. Displacement is 3.319 L versus 3 L. The table below compares their full specifications side by side.
| Specification | Yanmar 4TNV98CT-GGE | Yunnei DEF30CBA5 |
|---|---|---|
| Headline rating | 57 kVA | 56 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | 45 kWe |
| Standby (60 Hz) | 45.9 kWe | — |
| Prime (60 Hz) | — | — |
| Displacement | 3.319 L | 3 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,800 RPM | 1,500 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage V / U.S. EPA Final Tier 4 | Euro Stage V |
| Dry weight | — | — |
| Origin | Japan | China |
Choosing between Yanmar 4TNV98CT-GGE and Yunnei DEF30CBA5
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 Yanmar 4TNV98CT-GGE has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.