
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

How they compare
7020 is in the 41st percentile; TW-5 is in the 42nd · 1,206 models
7020 is in the 32nd percentile; TW-5 is in the 51st · 1,409 models
7020 is in the 50th percentile; TW-5 is in the 50th · 1,417 models
7020 is in the 11th percentile; TW-5 is in the 50th · 1,200 models
Full comparison
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | 7020 | TW-5 | — |
| Category | Row Crop | Row Crop | Same |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | 649I | Ford | — |
| Power Output | 124hp | 125hp | ▲ TW-5+1 hp · <1% |
| Rated RPM | 2,300RPM | 2,300RPM | Same |
| Cylinders | 6 | 6 | Same |
| Displacement | 301ci | 401ci | ▲ TW-5+100 ci · +33% |
| Bore | 3.9in | 4.4in | ▲ TW-5+0.5 in · +13% |
| Stroke | 4.3in | 4.4in | ▲ TW-5+0.1 in · +2% |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Type | Partial power shift | Partial power shift | Same |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Length | 163in | 163in | Same |
| Width | 92.6in | 83.6in | ▲ 7020+9 in · +11% |
| Height | 116in | 113in | ▲ 7020+3 in · +3% |
| Operating Weight | 11,770lb | 13,200lb | ▲ TW-5+1,430 lb · +12% |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| System Type | Closed center | Open center | — |
| Steering Type | Hydrostatic power | Power | — |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Type | Independent | Independent | Same |
| Speed 1 | 540rpm | 540rpm | Same |
| Speed 2 | 1,000rpm | 1,000rpm | Same |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Front Tire Size | 11.00-16 | Not recorded | — |
| Rear Tire Size | 20.8-38 | Not recorded | — |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | II | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 6,680lb | 7,150lb | ▲ TW-5+470 lb · +7% |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Hydrostatic power | Power | — |
| Brake Type | Differential hydraulic wet disc | Differential hydraulic wet disc | Same |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Coolant | 6.5gal | 5.3gal | ▲ 7020+1.2 gal · +23% |
| Spec | Allis Chalmers 7020 | Ford TW-5 | Difference |
|---|---|---|---|
| Type | Acousta-Cab | Two-post ROPS | — |
Category context