Allis Chalmers HD21 vs John Deere 8020
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers HD21 is more powerful than the John Deere 8020: 225 HP versus 215 HP (+10 HP, +5%).
- The John Deere 8020 is the more recent model: production started in 1961, versus 1954 for the Allis Chalmers HD21.
Full specs comparison
| Allis Chalmers HD21 | John Deere 8020 | |
|---|---|---|
| Power | 225 HP | 215 HP |
| Production years | 1954–1965 | 1961–1964 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 13.8 L | 7 L |
| Weight | — | 8 935 kg |
| Drive | — | 4WD |
| Transmission | — | Gear |
| Gears (fwd/rev) | 2 / 1 | 8 / 2 |
| Wheelbase | — | 304 cm |
| Length | — | 604 cm |