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Allis ChalmersModel A
Allis Chalmers D12
Row Crop
- power
- 31 hp
- displacement
- 149 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Allis Chalmers D12 vs Allis Chalmers UC
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Allis ChalmersModel B
Allis Chalmers UC
Row Crop
- power
- 30.9 hp
- displacement
- 302 ci
- Cylinders
- 4
- Forward gears
- 4
Allis ChalmersAllis Chalmers D12
vs
Allis ChalmersAllis Chalmers UC
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D12 higher · +0.1 hp (<1%)D1231 hp
UC30.9 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; UC is in the 3rd · 1,206 models
Engine Displacement
▲ UC higher · +153 ci (+103%)D12149 ci
UC302 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; UC is in the 33rd · 1,409 models
Cylinders
= Effectively tiedD124
UC4
Median Row Crop Tractor6
D12 is in the 17th percentile; UC is in the 17th · 1,417 models
Forward Gears
= Effectively tiedD124
UC4
Median Row Crop Tractor16
D12 is in the 4th percentile; UC is in the 4th · 1,200 models
D12 (A)UC (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Allis Chalmers | Same |
| Model | D12 | UC | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Allis-Chalmers | Same |
| Model | Power-Crater | Not recorded | — |
| Power Output | 31hp | 30.9hp | ▲ D12+0.1 hp · <1% |
| Rated RPM | 1,650RPM | 1,200RPM | ▲ D12+450 RPM · +38% |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 302ci | ▲ UC+153 ci · +103% |
| Bore | 3.5in | 4.4in | ▲ UC+0.9 in · +26% |
| Stroke | 3.9in | 5in | ▲ UC+1.1 in · +28% |
Transmission
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Type | Sliding Gear | Non-synchronized gear | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Length | 121in | 145in | ▲ UC+24 in · +20% |
| Width | Not recorded | 81in | — |
| Height | 76.5in | 69.5in | ▲ D12+7 in · +10% |
| Operating Weight | 2,800lb | 5,710lb | ▲ UC+2,910 lb · +104% |
Hydraulics
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| System Type | Live | Not recorded | — |
| Steering Type | Manual | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Type | Rear | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Not recorded | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Not recorded | — |
Electrical
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Coolant | 2gal | 6gal | ▲ UC+4 gal · +200% |
Operator Station
| Spec | Allis Chalmers D12 | Allis Chalmers UC | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (31 hp)B · 3rd percentile (30.9 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 33rd percentile (302 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 4th percentile (4)B · 4th percentile (4)
Operating Weight
median 12,307 lbA · 2nd percentile (2,800 lb)B · 11th percentile (5,710 lb)
A · D12B · UCMedian Row Crop Tractor