Allis Chalmers 18-30 vs Samson S25
Side-by-side specs comparison
Verdict by the numbers
- The Allis Chalmers 18-30 is more powerful than the Samson S25: 33 HP versus 31 HP (+2 HP, +6%).
- The Allis Chalmers 18-30 is the more recent model: production started in 1918, versus 1916 for the Samson S25.
- The Allis Chalmers 18-30 is heavier: 2789 kg versus 2630 kg for the Samson S25.
Full specs comparison
| Allis Chalmers 18-30 | Samson S25 | |
|---|---|---|
| Power | 33 HP | 31 HP |
| Production years | 1918–1921 | 1916–1918 |
| Fuel | Gasoline | Distillate |
| Cylinders | 4 | 4 |
| Displacement | 7.6 L | 6.3 L |
| Weight | 2 789 kg | 2 630 kg |
| Drive | 2WD | 2WD |
| Transmission | Synchronized | Gear |
| Gears (fwd/rev) | 2 / 1 | — |
| Length | 342 cm | 381 cm |
Frequently asked questions
Which is more powerful, the Allis Chalmers 18-30 or the Samson S25?
The Allis Chalmers 18-30 is more powerful than the Samson S25: 33 HP versus 31 HP (+2 HP, +6%).
Which is more recent, the Allis Chalmers 18-30 or the Samson S25?
The Allis Chalmers 18-30 is the more recent model: production started in 1918, versus 1916 for the Samson S25.
Which is heavier, the Allis Chalmers 18-30 or the Samson S25?
The Allis Chalmers 18-30 is heavier: 2789 kg versus 2630 kg for the Samson S25.

