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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 CaseIH Farmall 31
Image not recorded
CaseIHModel B
CaseIH Farmall 31
Sub-Compact
- power
- 31 hp
- displacement
- 91.3 ci
- Cylinders
- 3
- Forward gears
- 9
Allis ChalmersAllis Chalmers D12
vs
CaseIHCaseIH Farmall 31
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD1231 hp
Farmall 3131 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; Farmall 31 is in the 3rd · 1,206 models
Engine Displacement
▲ D12 higher · +57.7 ci (+63%)D12149 ci
Farmall 3191.3 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; Farmall 31 is in the 1st · 1,409 models
Cylinders
▲ D12 higher · +1 (+33%)D124
Farmall 313
Median Row Crop Tractor6
D12 is in the 17th percentile; Farmall 31 is in the 2nd · 1,417 models
Forward Gears
▲ Farmall 31 higher · +5 (+125%)D124
Farmall 319
Median Row Crop Tractor16
D12 is in the 4th percentile; Farmall 31 is in the 20th · 1,200 models
D12 (A)Farmall 31 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CaseIH | — |
| Model | D12 | Farmall 31 | — |
| Category | Row Crop | Sub-Compact | — |
Engine
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Shibaura | — |
| Model | Power-Crater | N843 | — |
| Power Output | 31hp | 31hp | Same |
| Rated RPM | 1,650RPM | 2,600RPM | ▲ Farmall 31+950 RPM · +58% |
| Cylinders | 4 | 3 | ▲ D12+1 · +33% |
| Displacement | 149ci | 91.3ci | ▲ D12+57.7 ci · +63% |
| Bore | 3.5in | Not recorded | — |
| Stroke | 3.9in | Not recorded | — |
Transmission
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Unsynchronized Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Length | 121in | 112in | ▲ D12+9 in · +8% |
| Width | Not recorded | 54.3in | — |
| Height | 76.5in | 87.8in | ▲ Farmall 31+11.3 in · +15% |
| Operating Weight | 2,800lb | 2,511lb | ▲ D12+289 lb · +12% |
Hydraulics
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| System Type | Live | Open Center | — |
| Steering Type | Manual | Hydrostatic Power | — |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Type | Rear | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Type I | — |
| Hitch Category | I | Not recorded | — |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Hydrostatic Power | — |
Electrical
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Coolant | 2gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers D12 | CaseIH Farmall 31 | Difference |
|---|---|---|---|
| Type | Open | ROPS (Roll Over Protective Structure) | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (31 hp)B · 3rd percentile (31 hp)
Engine Displacement
median 391 ciA · 4th percentile (149 ci)B · 1st percentile (91.3 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Forward Gears
median 16A · 4th percentile (4)B · 20th percentile (9)
Operating Weight
median 12,307 lbA · 2nd percentile (2,800 lb)B · 1st percentile (2,511 lb)
A · D12B · Farmall 31Median Row Crop Tractor