Image not recorded
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 John Deere 950
John DeereModel B
John Deere 950
Utility
- power
- 31 hp
- displacement
- 105 ci
- Cylinders
- 3
- Forward gears
- 8
Allis ChalmersAllis Chalmers D12
vs
John DeereJohn Deere 950
How they compare
Headline specs vs. the whole Row Crop
Engine Power
= Effectively tiedD1231 hp
95031 hp
Median Row Crop Tractor138 hp
D12 is in the 3rd percentile; 950 is in the 3rd · 1,206 models
Engine Displacement
▲ D12 higher · +44 ci (+42%)D12149 ci
950105 ci
Median Row Crop Tractor391 ci
D12 is in the 4th percentile; 950 is in the 1st · 1,409 models
Cylinders
▲ D12 higher · +1 (+33%)D124
9503
Median Row Crop Tractor6
D12 is in the 17th percentile; 950 is in the 2nd · 1,417 models
Forward Gears
▲ 950 higher · +4 (+100%)D124
9508
Median Row Crop Tractor16
D12 is in the 4th percentile; 950 is in the 16th · 1,200 models
D12 (A)950 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | D12 | 950 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | Yanmar | — |
| Model | Power-Crater | 3T90-J | — |
| Power Output | 31hp | 31hp | Same |
| Rated RPM | 1,650RPM | 2,400RPM | ▲ 950+750 RPM · +45% |
| Cylinders | 4 | 3 | ▲ D12+1 · +33% |
| Displacement | 149ci | 105ci | ▲ D12+44 ci · +42% |
| Bore | 3.5in | 3.5in | Same |
| Stroke | 3.9in | 3.5in | ▲ D12+0.4 in · +11% |
Transmission
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Type | Sliding Gear | Gear type with dry disc clutch | — |
Dimensions & Weight
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Length | 121in | 122in | ▲ 950+1 in · <1% |
| Width | Not recorded | 53.3in | — |
| Height | 76.5in | 53.1in | ▲ D12+23.4 in · +44% |
| Operating Weight | 2,800lb | 2,700lb | ▲ D12+100 lb · +4% |
Hydraulics
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| System Type | Live | Open center | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Type | Rear | Transmission or live (two-stage clutch) | — |
| Speed 1 | 540rpm | 540rpm | Same |
Hitch & Towing
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Hitch Type | Snap-Coupler | Three-Point Hitch | — |
| Hitch Category | I | I | Same |
| Hitch Position | Rear | Rear | Same |
Chassis & Drive
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 2WD | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Not recorded | Differential mechanical expanding shoe | — |
Electrical
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Coolant | 2gal | 1.6gal | ▲ D12+0.4 gal · +25% |
Operator Station
| Spec | Allis Chalmers D12 | John Deere 950 | Difference |
|---|---|---|---|
| Type | Open | Open operator station with two-post ROPS | — |
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 (105 ci)
Cylinders
median 6A · 17th percentile (4)B · 2nd percentile (3)
Forward Gears
median 16A · 4th percentile (4)B · 16th percentile (8)
Operating Weight
median 12,307 lbA · 2nd percentile (2,800 lb)B · 1st percentile (2,700 lb)
A · D12B · 950Median Row Crop Tractor