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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 Farmall Super C
FarmallModel B
Farmall Super C
Row Crop
- power
- 25.9 hp
- displacement
- 123 ci
- Cylinders
- 4
- Forward gears
- 4
Allis ChalmersAllis Chalmers D12
vs
FarmallFarmall Super C
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ D12 higher · +5.1 hp (+20%)D1231 hp
Super C25.9 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; Super C is in the 2nd · 1,206 models
Engine Displacement
▲ D12 higher · +26 ci (+21%)D12149 ci
Super C123 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; Super C is in the 2nd · 1,409 models
Cylinders
= Effectively tiedD124
Super C4
Median Row Crop Tractor6
D12 is in the 17th percentile; Super C is in the 17th · 1,417 models
Forward Gears
= Effectively tiedD124
Super C4
Median Row Crop Tractor16
D12 is in the 4th percentile; Super C is in the 4th · 1,200 models
D12 (A)Super C (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Farmall | — |
| Model | D12 | Super C | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | International Harvester | — |
| Model | Power-Crater | C123 | — |
| Power Output | 31hp | 25.9hp | ▲ D12+5.1 hp · +20% |
| Rated RPM | 1,650RPM | 1,650RPM | Same |
| Cylinders | 4 | 4 | Same |
| Displacement | 149ci | 123ci | ▲ D12+26 ci · +21% |
| Bore | 3.5in | 3.1in | ▲ D12+0.4 in · +13% |
| Stroke | 3.9in | 4in | ▲ Super C+0.1 in · +3% |
Transmission
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Type | Sliding Gear | Sliding gear | Same |
Dimensions & Weight
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Length | 121in | 123in | ▲ Super C+2 in · +2% |
| Height | 76.5in | 74.8in | ▲ D12+1.7 in · +2% |
| Operating Weight | 2,800lb | 3,100lb | ▲ Super C+300 lb · +11% |
Hydraulics
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| System Type | Live | Not recorded | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Type | Rear | Rear | Same |
| Speed 1 | 540rpm | 540rpm | Same |
Hitch & Towing
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Fast Hitch | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Not recorded | Differential mechanical disc | — |
Electrical
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Coolant | 2gal | 3.8gal | ▲ Super C+1.8 gal · +90% |
Operator Station
| Spec | Allis Chalmers D12 | Farmall Super C | Difference |
|---|---|---|---|
| Type | Open | Open operator station | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (31 hp)B · 2nd percentile (25.9 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 2nd percentile (123 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 · 2nd percentile (3,100 lb)
A · D12B · Super CMedian Row Crop Tractor