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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 275
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Allis ChalmersAllis Chalmers D12
vs
CaseIHCaseIH 275
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD1231 hp
27531 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; 275 is in the 3rd · 1,206 models
Engine Displacement
▲ D12 higher · +57.7 ci (+63%)D12149 ci
27591.3 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; 275 is in the 1st · 1,409 models
Cylinders
▲ D12 higher · +1 (+33%)D124
2753
Median Row Crop Tractor6
D12 is in the 17th percentile; 275 is in the 2nd · 1,417 models
Forward Gears
▲ 275 higher · +5 (+125%)D124
2759
Median Row Crop Tractor16
D12 is in the 4th percentile; 275 is in the 20th · 1,200 models
D12 (A)275 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | CaseIH | — |
| Model | D12 | 275 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Mitsubishi | — |
| Model | Power-Crater | Not recorded | — |
| Power Output | 31hp | 31hp | Same |
| Rated RPM | 1,650RPM | 2,700RPM | ▲ 275+1,050 RPM · +64% |
| Cylinders | 4 | 3 | ▲ D12+1 · +33% |
| Displacement | 149ci | 91.3ci | ▲ D12+57.7 ci · +63% |
| Bore | 3.5in | 3.3in | ▲ D12+0.2 in · +6% |
| Stroke | 3.9in | 3.5in | ▲ D12+0.4 in · +11% |
Transmission
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Synchromesh | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Length | 121in | 112in | ▲ D12+9 in · +8% |
| Width | Not recorded | 54in | — |
| Height | 76.5in | Not recorded | — |
| Operating Weight | 2,800lb | 2,600lb | ▲ D12+200 lb · +8% |
Hydraulics
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| System Type | Live | Open Center | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Type | Rear | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Rear Type I | — |
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
Electrical
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric Starter | — |
Capacities
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Coolant | 2gal | 1.6gal | ▲ D12+0.4 gal · +25% |
Operator Station
| Spec | Allis Chalmers D12 | CaseIH 275 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
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 (2,600 lb)
A · D12B · 275Median Row Crop Tractor