Caterpillar Thirty vs Rock Island F 18-35
Side-by-side specs comparison
Verdict by the numbers
- The Caterpillar Thirty is more powerful than the Rock Island F 18-35: 40 HP versus 38 HP (+2 HP, +5%).
- The Rock Island F 18-35 is the more recent model: production started in 1927, versus 1925 for the Caterpillar Thirty.
Full specs comparison
| Caterpillar Thirty | Rock Island F 18-35 | |
|---|---|---|
| Power | 40 HP | 38 HP |
| Production years | 1925–1938 | 1927–1937 |
| Fuel | Gasoline | Kerosene |
| Cylinders | 4 | 4 |
| Displacement | 7.6 L | 6.3 L |
| Drive | — | 2WD |
| Transmission | Gear | Synchronized |
| Gears (fwd/rev) | 3 / 1 | 2 / 1 |
Frequently asked questions
Which is more powerful, the Caterpillar Thirty or the Rock Island F 18-35?
The Caterpillar Thirty is more powerful than the Rock Island F 18-35: 40 HP versus 38 HP (+2 HP, +5%).
Which is more recent, the Caterpillar Thirty or the Rock Island F 18-35?
The Rock Island F 18-35 is the more recent model: production started in 1927, versus 1925 for the Caterpillar Thirty.