Allis Chalmers HD20 vs Cletrac FDE
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers HD20 is more powerful than the Cletrac FDE: 175 HP versus 162 HP (+13 HP, +8%).
- The Allis Chalmers HD20 is the more recent model: production started in 1951, versus 1945 for the Cletrac FDE.
Full specs comparison
| Allis Chalmers HD20 | Cletrac FDE | |
|---|---|---|
| Power | 175 HP | 162 HP |
| Production years | 1951–1954 | 1945–1953 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 10.8 L | 14.7 L |
| Transmission | — | Gear |
| Gears (fwd/rev) | 2 / 1 | 4 / 2 |
Frequently asked questions
Which is more powerful, the Allis Chalmers HD20 or the Cletrac FDE?
The Allis Chalmers HD20 is more powerful than the Cletrac FDE: 175 HP versus 162 HP (+13 HP, +8%).
Which is more recent, the Allis Chalmers HD20 or the Cletrac FDE?
The Allis Chalmers HD20 is the more recent model: production started in 1951, versus 1945 for the Cletrac FDE.

