Allis Chalmers HD21 vs CaseIH Puma 225
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers HD21 and the CaseIH Puma 225 deliver the same power: 225 HP.
- The CaseIH Puma 225 is the more recent model: production started in 2009, versus 1954 for the Allis Chalmers HD21.
Full specs comparison
| Allis Chalmers HD21 | CaseIH Puma 225 | |
|---|---|---|
| Power | 225 HP | 225 HP |
| Production years | 1954–1965 | 2009–2010 |
| Fuel | Diesel | Diesel |
| Cylinders | 6 | 6 |
| Displacement | 13.8 L | 6.7 L |
| Weight | — | 7 484 kg |
| Drive | — | 4WD |
| Transmission | — | CVT |
| Gears (fwd/rev) | 2 / 1 | — |
| Rear lift capacity | — | 5 800 kg |
| Wheelbase | — | 288 cm |
| Cab | — | Yes |
Frequently asked questions
Which is more powerful, the Allis Chalmers HD21 or the CaseIH Puma 225?
The Allis Chalmers HD21 and the CaseIH Puma 225 deliver the same power: 225 HP.
Which is more recent, the Allis Chalmers HD21 or the CaseIH Puma 225?
The CaseIH Puma 225 is the more recent model: production started in 2009, versus 1954 for the Allis Chalmers HD21.

