Caterpillar Forty vs Keck-Gonnerman 25-50
Side-by-side specs comparison
Verdict by the numbers
- The Keck-Gonnerman 25-50 is more powerful than the Caterpillar Forty: 55 HP versus 54 HP (+1 HP, +2%).
- The Caterpillar Forty is the more recent model: production started in 1934, versus 1928 for the Keck-Gonnerman 25-50.
Full specs comparison
| Caterpillar Forty | Keck-Gonnerman 25-50 | |
|---|---|---|
| Power | 54 HP | 55 HP |
| Production years | 1934–1936 | 1928–1937 |
| Fuel | Gasoline | Kerosene |
| Cylinders | 4 | 4 |
| Displacement | 8 L | 9.9 L |
| Weight | — | 4 445 kg |
| Drive | — | 2WD |
| Transmission | Gear | Gear |
| Gears (fwd/rev) | 4 / 1 | 2 / 1 |
| Length | — | 411 cm |
Frequently asked questions
Which is more powerful, the Caterpillar Forty or the Keck-Gonnerman 25-50?
The Keck-Gonnerman 25-50 is more powerful than the Caterpillar Forty: 55 HP versus 54 HP (+1 HP, +2%).
Which is more recent, the Caterpillar Forty or the Keck-Gonnerman 25-50?
The Caterpillar Forty is the more recent model: production started in 1934, versus 1928 for the Keck-Gonnerman 25-50.