
Allis ChalmersModel A
Allis Chalmers 6140
Utility
- power
- 40 hp
- displacement
- 142 ci
- Cylinders
- 3
- Forward gears
- 10
Head to head · Utility

Utility
Sub-Compact
How they compare
6140 is in the 33rd percentile; 4020 is in the 33rd · 5,383 models
6140 is in the 36th percentile; 4020 is in the 47th · 5,580 models
6140 is in the 23rd percentile; 4020 is in the 23rd · 5,720 models
6140 is in the 39th percentile; 4020 is in the 23rd · 4,941 models
Full comparison
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Farm Pro | — |
| Model | 6140 | 4020 | — |
| Category | Utility | Sub-Compact | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Manufacturer | Toyosha | Foton | — |
| Model | Not recorded | SL3105BT | — |
| Power Output | 40hp | 40hp | Same |
| Rated RPM | 2,500RPM | 2,200RPM | ▲ 6140+300 RPM · +14% |
| Cylinders | 3 | 3 | Same |
| Displacement | 142ci | 175ci | ▲ 4020+33 ci · +23% |
| Bore | 3.9in | 4.1in | ▲ 4020+0.2 in · +5% |
| Stroke | 4.1in | 4.3in | ▲ 4020+0.2 in · +5% |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Type | Synchromesh | Manual | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Length | 132in | 138in | ▲ 4020+6 in · +5% |
| Width | 68.1in | 68.9in | ▲ 4020+0.8 in · +1% |
| Height | 87.8in | 83.9in | ▲ 6140+3.9 in · +5% |
| Operating Weight | 4,000lb | 4,585lb | ▲ 4020+585 lb · +15% |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Power | Power | Same |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Hitch Category | I | I | Same |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | 3,200lb | Not recorded | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Power | Power | Same |
| Brake Type | Mechanical wet disc | Not recorded | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Coolant | 2.1gal | 2.5gal | ▲ 4020+0.4 gal · +19% |
| Spec | Allis Chalmers 6140 | Farm Pro 4020 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context