John Deere 4045HFG04 vs Perkins 1104A-44TG1
The John Deere 4045HFG04 and Perkins 1104A-44TG1 are both diesel generator engines in a similar power class. Both are rated at roughly 71 kVA. Displacement is 4.5 L versus 4.4 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045HFG04 | Perkins 1104A-44TG1 |
|---|---|---|
| Headline rating | 71 kVA | 71 kVA |
| Standby (50 Hz) | 57 kWe | 57 kWe |
| Prime (50 Hz) | 52 kWe | 52 kWe |
| Standby (60 Hz) | 57 kWe | 67 kWe |
| Prime (60 Hz) | 51 kWe | 61 kWe |
| Displacement | 4.5 L | 4.4 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,500 / 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | U.S. EPA Final Tier 4 | Unregulated |
| Dry weight | — | — |
| Origin | United States | China |