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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
Allis Chalmers UC vs Hart-Parr 30
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Hart-ParrModel B
Hart-Parr 30
Utility
- power
- 30 hp
- displacement
- 465 ci
- Cylinders
- 2
- Forward gears
- 2
Allis ChalmersAllis Chalmers UC
vs
Hart-ParrHart-Parr 30
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ UC higher · +0.9 hp (+3%)UC30.9 hp
3030 hp
Median Row Crop Tractor138 hp
UC is in the 3rd percentile; 30 is in the 2nd · 1,206 models
Engine Displacement
▲ 30 higher · +163 ci (+54%)UC302 ci
30465 ci
Median Row Crop Tractor391 ci
UC is in the 33rd percentile; 30 is in the 81st · 1,409 models
Cylinders
▲ UC higher · +2 (+100%)UC4
302
Median Row Crop Tractor6
UC is in the 17th percentile; 30 is in the 1st · 1,417 models
Forward Gears
▲ UC higher · +2 (+100%)UC4
302
Median Row Crop Tractor16
UC is in the 4th percentile; 30 is in the 1st · 1,200 models
UC (A)30 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | UC | 30 | — |
| Category | Row Crop | Utility, Standard Tread | — |
Engine
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Hart-Parr | — |
| Power Output | 30.9hp | 30hp | ▲ UC+0.9 hp · +3% |
| Rated RPM | 1,200RPM | 750RPM | ▲ UC+450 RPM · +60% |
| Cylinders | 4 | 2 | ▲ UC+2 · +100% |
| Displacement | 302ci | 465ci | ▲ 30+163 ci · +54% |
| Bore | 4.4in | 6.5in | ▲ 30+2.1 in · +48% |
| Stroke | 5in | 7in | ▲ 30+2 in · +40% |
Transmission
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Length | 145in | 141in | ▲ UC+4 in · +3% |
| Width | 81in | 76in | ▲ UC+5 in · +7% |
| Height | 69.5in | 61in | ▲ UC+8.5 in · +14% |
| Operating Weight | 5,710lb | 5,450lb | ▲ UC+260 lb · +5% |
Hydraulics
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Capacities
| Spec | Allis Chalmers UC | Hart-Parr 30 | Difference |
|---|---|---|---|
| Coolant | 6gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (30.9 hp)B · 2nd percentile (30 hp)
Engine Displacement
median 391 ciA · 33rd percentile (302 ci)B · 81st percentile (465 ci)
Cylinders
median 6A · 17th percentile (4)B · 1st percentile (2)
Forward Gears
median 16A · 4th percentile (4)B · 1st percentile (2)
Operating Weight
median 12,307 lbA · 11th percentile (5,710 lb)B · 10th percentile (5,450 lb)
A · UCB · 30Median Row Crop Tractor