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 David Brown 30
Image not recorded
David BrownModel B
David Brown 30
Sub-Compact
- power
- 34 hp
- displacement
- 165 ci
- Cylinders
- 4
- Forward gears
- 6
Allis ChalmersAllis Chalmers U
vs
David BrownDavid Brown 30
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ U higher · +0.1 hp (<1%)U34.1 hp
3034 hp
Median Utility Tractor55 hp
U is in the 27th percentile; 30 is in the 26th · 5,383 models
Engine Displacement
▲ U higher · +118 ci (+72%)U283 ci
30165 ci
Median Utility Tractor183 ci
U is in the 83rd percentile; 30 is in the 44th · 5,580 models
Cylinders
= Effectively tiedU4
304
Median Utility Tractor4
U is in the 50th percentile; 30 is in the 50th · 5,720 models
Forward Gears
▲ 30 higher · +2 (+50%)U4
306
Median Utility Tractor12
U is in the 4th percentile; 30 is in the 11th · 4,941 models
U (A)30 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | U | 30 | — |
| Category | Utility, Standard Tread | Sub-Compact | — |
Engine
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Manufacturer | Continental | David Brown | — |
| Model | Continental 4.6L 4-cyl gasoline | 2.7L 4-cyl | — |
| Power Output | 34.1hp | 34hp | ▲ U+0.1 hp · <1% |
| Rated RPM | 1,200RPM | 2,000RPM | ▲ 30+800 RPM · +67% |
| Cylinders | 4 | 4 | Same |
| Displacement | 283ci | 165ci | ▲ U+118 ci · +72% |
| Bore | 4.4in | 3.6in | ▲ U+0.8 in · +22% |
| Stroke | 5in | 4in | ▲ U+1 in · +25% |
Transmission
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Type | Manual | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Length | 119in | 117in | ▲ U+2 in · +2% |
| Width | 63.1in | Not recorded | — |
| Height | 53.5in | Not recorded | — |
| Operating Weight | 5,030lb | 3,900lb | ▲ U+1,130 lb · +29% |
Hydraulics
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Chassis & Drive
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Not recorded | Manual | — |
Capacities
| Spec | Allis Chalmers U | David Brown 30 | Difference |
|---|---|---|---|
| Coolant | 5gal | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 27th percentile (34.1 hp)B · 26th percentile (34 hp)
Engine Displacement
median 183 ciA · 83rd percentile (283 ci)B · 44th percentile (165 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 12A · 4th percentile (4)B · 11th percentile (6)
Operating Weight
median 5,303 lbA · 48th percentile (5,030 lb)B · 36th percentile (3,900 lb)
A · UB · 30Median Utility Tractor