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Allis ChalmersModel A
Allis Chalmers HD11AG
Industrial
- power
- 130 hp
- displacement
- 516 ci
- Cylinders
- 6
- Forward gears
- 6
Head to head · Industrial
Industrial

Agricultural
How they compare
HD11AG is in the 70th percentile; MT515D is in the 57th · 53 models
HD11AG is in the 88th percentile; MT515D is in the 88th · 55 models
HD11AG is in the 65th percentile; MT515D is in the 97th · 43 models
HD11AG is in the 81st percentile; MT515D is in the 59th · 49 models
Full comparison
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | HD11AG | MT515D | — |
| Category | Industrial | Agricultural | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | AGCO Power | — |
| Model | 11000 | Not recorded | — |
| Power Output | 130hp | 136hp | ▲ MT515D+6 hp · +5% |
| Rated RPM | 1,800RPM | Not recorded | — |
| Cylinders | 6 | 6 | Same |
| Displacement | 516ci | 402ci | ▲ HD11AG+114 ci · +28% |
| Bore | 4.4in | 4.3in | ▲ HD11AG+0.1 in · +2% |
| Stroke | 5.6in | 4.7in | ▲ HD11AG+0.9 in · +19% |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Type | Gear | AutoPower IV | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Length | 149in | Not recorded | — |
| Width | 95.9in | Not recorded | — |
| Height | 77.7in | Not recorded | — |
| Operating Weight | 23,000lb | 14,085lb | ▲ HD11AG+8,915 lb · +63% |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| System Type | Not recorded | Closed center load sensing (CCLS) | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 420/85R28;**;15 psi (105 kPa) | — |
| Rear Tire Size | Not recorded | 520/85R38;**;14 psi (100 kPa) | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Hitch Category | Not recorded | II | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | 12 volt starting system | — |
| Spec | Allis Chalmers HD11AG | Challenger MT515D | Difference |
|---|---|---|---|
| Coolant | 11gal | Not recorded | — |
Category context