John Deere 4045HFG82 vs Perkins 1204J-E44TTAG2
The John Deere 4045HFG82 and Perkins 1204J-E44TTAG2 are both diesel generator engines in a similar power class. Both are rated at roughly 136 kVA. Displacement is 4.5 L versus 4.4 L. The table below compares their full specifications side by side.
| Specification | John Deere 4045HFG82 | Perkins 1204J-E44TTAG2 |
|---|---|---|
| Headline rating | 135 kVA | 136 kVA |
| Standby (50 Hz) | 108 kWe | — |
| Prime (50 Hz) | 97 kWe | — |
| Standby (60 Hz) | 110 kWe | 109 kWe |
| Prime (60 Hz) | 100 kWe | 98 kWe |
| Displacement | 4.5 L | 4.4 L |
| Configuration | L4 | L4 |
| Cylinders | 4 | 4 |
| Rated speed | 1,500 / 1,800 RPM | 1,800 RPM |
| Fuel | Diesel | Diesel |
| Cooling | Liquid-Cooled | Liquid-Cooled |
| Emissions | Euro Stage IIIA / U.S. EPA Tier 3 | U.S. EPA Final Tier 4 |
| Dry weight | — | — |
| Origin | United States | United Kingdom |