
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; D-439 is in the 32nd · 5,383 models
6140 is in the 36th percentile; D-439 is in the 37th · 5,580 models
6140 is in the 23rd percentile; D-439 is in the 50th · 5,720 models
6140 is in the 36th percentile; D-439 is in the 29th · 5,107 models
Full comparison
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | International Harvester | — |
| Model | 6140 | D-439 | — |
| Category | Utility | Sub-Compact | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Manufacturer | Toyosha | International Harvester | — |
| Model | Not recorded | DD-148 | — |
| Power Output | 40hp | 39hp | ▲ 6140+1 hp · +3% |
| Rated RPM | 2,500RPM | 1,900RPM | ▲ 6140+600 RPM · +32% |
| Cylinders | 3 | 4 | ▲ D-439+1 · +33% |
| Displacement | 142ci | 149ci | ▲ D-439+7 ci · +5% |
| Bore | 3.9in | 3.4in | ▲ 6140+0.5 in · +15% |
| Stroke | 4.1in | 4in | ▲ 6140+0.1 in · +2% |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Type | Synchromesh | Agriomatic | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Length | 132in | 115in | ▲ 6140+17 in · +15% |
| Width | 68.1in | 64.6in | ▲ 6140+3.5 in · +5% |
| Height | 87.8in | 61.5in | ▲ 6140+26.3 in · +43% |
| Operating Weight | 4,000lb | 3,494lb | ▲ 6140+506 lb · +14% |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| System Type | Open center | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | I | II/I | — |
| Hitch Capacity | 3,200lb | Not recorded | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Power | Not recorded | — |
| Brake Type | Mechanical wet disc | Not recorded | — |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Coolant | 2.1gal | 3.7gal | ▲ D-439+1.6 gal · +76% |
| Spec | Allis Chalmers 6140 | International Harvester D-439 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context