Image not recorded
Allis ChalmersModel A
Allis Chalmers HD11AG Series B
Industrial
- power
- 127 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Industrial

Utility
How they compare
HD11AG Series B is in the 70th percentile; 6140D is in the 45th · 53 models
HD11AG Series B is in the 88th percentile; 6140D is in the 50th · 55 models
HD11AG Series B is in the 65th percentile; 6140D is in the 94th · 43 models
HD11AG Series B is in the 87th percentile; 6140D is in the 54th · 49 models
Full comparison
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | HD11AG Series B | 6140D | — |
| Category | Industrial | Utility | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 11000 | 4045H PowerTech E | — |
| Power Output | 127hp | 123hp | ▲ HD11AG Series B+4 hp · +3% |
| Rated RPM | 1,800RPM | 2,200RPM | ▲ 6140D+400 RPM · +22% |
| Cylinders | 6 | 4 | ▲ HD11AG Series B+2 · +50% |
| Displacement | 516ci | 276ci | ▲ HD11AG Series B+240 ci · +87% |
| Bore | 4.4in | 4.2in | ▲ HD11AG Series B+0.2 in · +5% |
| Stroke | 5.6in | 5in | ▲ HD11AG Series B+0.6 in · +12% |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Type | Gear | Partially synchronized with power shuttle | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Length | 125in | 166in | ▲ 6140D+41 in · +33% |
| Width | 96in | 71.7in | ▲ HD11AG Series B+24.3 in · +34% |
| Height | 84in | 108in | ▲ 6140D+24 in · +29% |
| Operating Weight | 25,000lb | 10,030lb | ▲ HD11AG Series B+14,970 lb · +149% |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| System Type | Not recorded | Open center | — |
| Pressure | Not recorded | 2,918psi | — |
| Steering Type | Not recorded | Hydrostatic power | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Type | Not recorded | Independent with dry disc clutch | — |
| Speed 1 | Not recorded | 540rpm | — |
| Speed 2 | Not recorded | 1,000rpm | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Hitch Type | Not recorded | Three-Point Hitch | — |
| Hitch Category | Not recorded | II | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 6,800lb | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Chassis Type | Tracked | 4x4 MFWD 4WD | — |
| Drive Type | Track | 4WD | — |
| Steering Type | Not recorded | Hydrostatic power | — |
| Brake Type | Not recorded | Differential mechanical wet disc | — |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Coolant | 11gal | 4.4gal | ▲ HD11AG Series B+6.7 gal · +156% |
| Spec | Allis Chalmers HD11AG Series B | John Deere 6140D | Difference |
|---|---|---|---|
| Type | Not recorded | Cab | — |
Category context