Allis Chalmers HD9 vs Oliver Super 99
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers HD9 is more powerful than the Oliver Super 99: 93 HP versus 88 HP (+5 HP, +6%).
- The Oliver Super 99 is the more recent model: production started in 1954, versus 1951 for the Allis Chalmers HD9.
Full specs comparison
| Allis Chalmers HD9 | Oliver Super 99 | |
|---|---|---|
| Power | 93 HP | 88 HP |
| Production years | 1951–1955 | 1954–1958 |
| Fuel | Diesel | Gasoline |
| Cylinders | 4 | 6 |
| Displacement | 4.7 L | 4.9 L |
| Drive | — | 2WD |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 6 / 3 | 6 / 2 |
| Wheelbase | — | 203 cm |
Frequently asked questions
Which is more powerful, the Allis Chalmers HD9 or the Oliver Super 99?
The Allis Chalmers HD9 is more powerful than the Oliver Super 99: 93 HP versus 88 HP (+5 HP, +6%).
Which is more recent, the Allis Chalmers HD9 or the Oliver Super 99?
The Oliver Super 99 is the more recent model: production started in 1954, versus 1951 for the Allis Chalmers HD9.