Image not recorded
Allis ChalmersModel A
Allis Chalmers UC
Row Crop
- power
- 30.9 hp
- displacement
- 302 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Row Crop

Utility
How they compare
UC is in the 3rd percentile; OC-4 is in the 3rd · 1,206 models
UC is in the 33rd percentile; OC-4 is in the 3rd · 1,409 models
UC is in the 17th percentile; OC-4 is in the 2nd · 1,417 models
UC is in the 4th percentile; OC-4 is in the 4th · 1,200 models
Full comparison
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Oliver | — |
| Model | UC | OC-4 | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Hercules | — |
| Power Output | 30.9hp | 30.5hp | ▲ UC+0.5 hp · +2% |
| Rated RPM | 1,200RPM | 1,700RPM | ▲ OC-4+500 RPM · +42% |
| Cylinders | 4 | 3 | ▲ UC+1 · +33% |
| Displacement | 302ci | 130ci | ▲ UC+172 ci · +132% |
| Bore | 4.4in | 3.5in | ▲ UC+0.9 in · +26% |
| Stroke | 5in | 4.5in | ▲ UC+0.5 in · +11% |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Gear | — |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Length | 145in | 111in | ▲ UC+34 in · +31% |
| Width | 81in | 60in | ▲ UC+21 in · +35% |
| Height | 69.5in | Not recorded | — |
| Operating Weight | 5,710lb | 4,720lb | ▲ UC+990 lb · +21% |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | Category 3 | — |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric Starter | — |
| Spec | Allis Chalmers UC | Oliver OC-4 | Difference |
|---|---|---|---|
| Coolant | 6gal | 3gal | ▲ UC+3 gal · +100% |
Category context