John Deere 4045TFG03 vs Yanmar 4TNV98CT-GGE
The John Deere 4045TFG03 and Yanmar 4TNV98CT-GGE are both diesel generator engines in a similar power class. Both are rated at roughly 58 kVA. Displacement is 4.5 L versus 3.319 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045TFG03 | Yanmar 4TNV98CT-GGE |
|---|---|---|
| Headline rating | 58 kVA | 57 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 46 kWe | 45.9 kWe |
| Prime (60 Hz) | 41 kWe | — |
| Displacement | 4.5 L | 3.319 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | Euro Stage V / U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | United States | Japan |
Choosing between John Deere 4045TFG03 and Yanmar 4TNV98CT-GGE
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 John Deere 4045TFG03 has the higher headline kVA rating in this pair, but site conditions and duty cycle can still change the final recommendation.