
Allis ChalmersModel A
Allis Chalmers U
Utility
- power
- 34.1 hp
- displacement
- 283 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Utility

Utility
Agricultural
How they compare
U is in the 27th percentile; D2 is in the 25th · 5,383 models
U is in the 83rd percentile; D2 is in the 61st · 5,580 models
U is in the 50th percentile; D2 is in the 50th · 5,720 models
U is in the 4th percentile; D2 is in the 6th · 4,941 models
Full comparison
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Caterpillar | — |
| Model | U | D2 | — |
| Category | Utility, Standard Tread | Agricultural | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Manufacturer | Continental | Caterpillar | — |
| Model | Continental 4.6L 4-cyl gasoline | 3.6L 4-cyl diesel | — |
| Power Output | 34.1hp | 32.9hp | ▲ U+1.2 hp · +4% |
| Rated RPM | 1,200RPM | 1,525RPM | ▲ D2+325 RPM · +27% |
| Cylinders | 4 | 4 | Same |
| Displacement | 283ci | 221ci | ▲ U+62 ci · +28% |
| Bore | 4.4in | 3.7in | ▲ U+0.7 in · +19% |
| Stroke | 5in | 5in | Same |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Type | Manual | Gear type with dry disc clutch | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Length | 119in | 108in | ▲ U+11 in · +10% |
| Width | 63.1in | Not recorded | — |
| Height | 53.5in | 57.5in | ▲ D2+4 in · +7% |
| Operating Weight | 5,030lb | 7,419lb | ▲ D2+2,389 lb · +47% |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Mechanical clutches | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Crawler | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Not recorded | Mechanical clutches | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Gasoline pony motor | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Coolant | 5gal | Not recorded | — |
| Spec | Allis Chalmers U | Caterpillar D2 | Difference |
|---|---|---|---|
| Type | Not recorded | Open operator station | — |
Category context