
Allis ChalmersModel A
Allis Chalmers 7020
Row Crop
- power
- 124 hp
- displacement
- 301 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Row Crop

Row Crop
Utility
How they compare
7020 is in the 41st percentile; MT475B is in the 42nd · 1,206 models
7020 is in the 32nd percentile; MT475B is in the 52nd · 1,409 models
7020 is in the 50th percentile; MT475B is in the 50th · 1,417 models
7020 is in the 11th percentile; MT475B is in the 50th · 1,200 models
Full comparison
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | 7020 | MT475B | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Perkins Diesel | — |
| Model | 649I | C6.6 | — |
| Power Output | 124hp | 124hp | Same |
| Rated RPM | 2,300RPM | 2,200RPM | ▲ 7020+100 RPM · +5% |
| Cylinders | 6 | 6 | Same |
| Displacement | 301ci | 402ci | ▲ MT475B+101 ci · +34% |
| Bore | 3.9in | 4.1in | ▲ MT475B+0.2 in · +5% |
| Stroke | 4.3in | 5in | ▲ MT475B+0.7 in · +16% |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Type | Partial power shift | Selective gear fixed ratio with partial (4) range operator controlled powershift | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Length | 163in | 190in | ▲ MT475B+27 in · +17% |
| Width | 92.6in | 79.3in | ▲ 7020+13.3 in · +17% |
| Height | 116in | 110in | ▲ 7020+6 in · +5% |
| Operating Weight | 11,770lb | 11,795lb | ▲ MT475B+25 lb · <1% |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| System Type | Closed center | Open center and closed center | — |
| Steering Type | Hydrostatic power | Power | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Speed 2 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Front Tire Size | 11.00-16 | Not recorded | — |
| Rear Tire Size | 20.8-38 | Not recorded | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Not recorded | — |
| Hitch Capacity | 6,680lb | Not recorded | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Hydrostatic power | Power | — |
| Brake Type | Differential hydraulic wet disc | Wet Disc | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Coolant | 6.5gal | Not recorded | — |
| Spec | Allis Chalmers 7020 | Challenger MT475B | Difference |
|---|---|---|---|
| Type | Acousta-Cab | Cab | — |
Category context