John Deere 4045TF290 vs Perkins 1104C44G2
The John Deere 4045TF290 and Perkins 1104C44G2 are both diesel generator engines in a similar power class. Both are rated at roughly 59 kVA. Displacement is 4.5 L versus 4.4 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045TF290 | Perkins 1104C44G2 |
|---|---|---|
| Headline rating | 59 kVA | 59 kVA |
| Standby (50 Hz) | — | — |
| Prime (50 Hz) | — | — |
| Standby (60 Hz) | 47 kWe | 47 kWe |
| Prime (60 Hz) | 42 kWe | 43 kWe |
| Displacement | 4.5 L | 4.4 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 Tier 3 | U.S. EPA Tier 2 |
| Dry weight | — | — |
| Origin | United States | United Kingdom / Brazil |
Choosing between John Deere 4045TF290 and Perkins 1104C44G2
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.