Allis Chalmers S vs Caterpillar D6
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers S is more powerful than the Caterpillar D6: 93 HP versus 86 HP (+7 HP, +8%).
- The Caterpillar D6 is the more recent model: production started in 1941, versus 1937 for the Allis Chalmers S.
Full specs comparison
| Allis Chalmers S | Caterpillar D6 | |
|---|---|---|
| Power | 93 HP | 86 HP |
| Production years | 1937–1942 | 1941–1947 |
| Fuel | Gasoline | Diesel |
| Cylinders | 4 | 6 |
| Displacement | 11.1 L | 8.6 L |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 5 / 1 | 5 / 4 |
Frequently asked questions
Which is more powerful, the Allis Chalmers S or the Caterpillar D6?
The Allis Chalmers S is more powerful than the Caterpillar D6: 93 HP versus 86 HP (+7 HP, +8%).
Which is more recent, the Allis Chalmers S or the Caterpillar D6?
The Caterpillar D6 is the more recent model: production started in 1941, versus 1937 for the Allis Chalmers S.