Caterpillar R4 vs McCormick-Deering WD-6
Side-by-side specs comparison
Verdict by the numbers
- The Caterpillar R4 and the McCormick-Deering WD-6 deliver the same power: 40 HP.
- The McCormick-Deering WD-6 is the more recent model: production started in 1940, versus 1938 for the Caterpillar R4.
Full specs comparison
| Caterpillar R4 | McCormick-Deering WD-6 | |
|---|---|---|
| Power | 40 HP | 40 HP |
| Production years | 1938–1944 | 1940–1952 |
| Fuel | Gasoline | Diesel |
| Cylinders | 4 | 4 |
| Displacement | 7.6 L | 4.1 L |
| Weight | — | 1 973 kg |
| Drive | — | 2WD |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 5 / 1 | 5 / 1 |
| Wheelbase | — | 193 cm |
| Length | — | 315 cm |
Frequently asked questions
Which is more powerful, the Caterpillar R4 or the McCormick-Deering WD-6?
The Caterpillar R4 and the McCormick-Deering WD-6 deliver the same power: 40 HP.
Which is more recent, the Caterpillar R4 or the McCormick-Deering WD-6?
The McCormick-Deering WD-6 is the more recent model: production started in 1940, versus 1938 for the Caterpillar R4.