Allis ChalmersModel A
Allis Chalmers U
Utility
- power
- 34.1 hp
- displacement
- 283 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Utility
Allis Chalmers U vs Hart-Parr 20
Image not recorded
Hart-ParrModel B
Hart-Parr 20
Utility
- power
- Not recorded
- displacement
- 309 ci
- Cylinders
- 2
- Forward gears
- 2
Allis ChalmersAllis Chalmers U
vs
Hart-ParrHart-Parr 20
How they compare
Headline specs vs. the whole Utility
Engine Displacement
▲ 20 higher · +26 ci (+9%)U283 ci
20309 ci
Median Utility Tractor183 ci
U is in the 83rd percentile; 20 is in the 85th · 5,580 models
Cylinders
▲ U higher · +2 (+100%)U4
202
Median Utility Tractor4
U is in the 50th percentile; 20 is in the 3rd · 5,720 models
Forward Gears
▲ U higher · +2 (+100%)U4
202
Median Utility Tractor12
U is in the 4th percentile; 20 is in the 1st · 4,941 models
Operating Weight
▲ U higher · +1,040 lb (+26%)U5,030 lb
203,990 lb
Median Utility Tractor5,303 lb
U is in the 48th percentile; 20 is in the 36th · 5,107 models
U (A)20 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Hart-Parr | — |
| Model | U | 20 | — |
| Category | Utility, Standard Tread | Utility, Standard Tread | Same |
Engine
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Manufacturer | Continental | Hart-Parr | — |
| Model | Continental 4.6L 4-cyl gasoline | Not recorded | — |
| Power Output | 34.1hp | Not recorded | — |
| Rated RPM | 1,200RPM | 800RPM | ▲ U+400 RPM · +50% |
| Cylinders | 4 | 2 | ▲ U+2 · +100% |
| Displacement | 283ci | 309ci | ▲ 20+26 ci · +9% |
| Bore | 4.4in | 5.8in | ▲ 20+1.4 in · +32% |
| Stroke | 5in | 6.5in | ▲ 20+1.5 in · +30% |
Transmission
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Type | Manual | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Length | 119in | Not recorded | — |
| Width | 63.1in | Not recorded | — |
| Height | 53.5in | Not recorded | — |
| Operating Weight | 5,030lb | 3,990lb | ▲ U+1,040 lb · +26% |
Hydraulics
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Capacities
| Spec | Allis Chalmers U | Hart-Parr 20 | Difference |
|---|---|---|---|
| Coolant | 5gal | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 183 ciA · 83rd percentile (283 ci)B · 85th percentile (309 ci)
Cylinders
median 4A · 50th percentile (4)B · 3rd percentile (2)
Forward Gears
median 12A · 4th percentile (4)B · 1st percentile (2)
Operating Weight
median 5,303 lbA · 48th percentile (5,030 lb)B · 36th percentile (3,990 lb)
A · UB · 20Median Utility Tractor