Caterpillar RD7 vs Cletrac FD
Side-by-side specs comparison
Verdict by the numbers
- The Cletrac FD is more powerful than the Caterpillar RD7: 88 HP versus 75 HP (+13 HP, +17%).
- The Cletrac FD is the more recent model: production started in 1936, versus 1935 for the Caterpillar RD7.
Full specs comparison
| Caterpillar RD7 | Cletrac FD | |
|---|---|---|
| Power | 75 HP | 88 HP |
| Production years | 1935–1940 | 1936–1944 |
| Fuel | Diesel | Diesel |
| Cylinders | 4 | 6 |
| Displacement | 13.6 L | 11.6 L |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 4 / 1 | 3 / 1 |
Frequently asked questions
Which is more powerful, the Caterpillar RD7 or the Cletrac FD?
The Cletrac FD is more powerful than the Caterpillar RD7: 88 HP versus 75 HP (+13 HP, +17%).
Which is more recent, the Caterpillar RD7 or the Cletrac FD?
The Cletrac FD is the more recent model: production started in 1936, versus 1935 for the Caterpillar RD7.

