
Allis ChalmersModel A
Allis Chalmers 8070
Row Crop
- power
- 170 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 20
Head to head · Row Crop

Row Crop
Utility
How they compare
8070 is in the 67th percentile; MT555B is in the 67th · 1,206 models
8070 is in the 72nd percentile; MT555B is in the 45th · 1,409 models
8070 is in the 50th percentile; MT555B is in the 50th · 1,417 models
8070 is in the 70th percentile; MT555B is in the 81st · 1,200 models
Full comparison
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Challenger | — |
| Model | 8070 | MT555B | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Perkins Diesel | — |
| Model | 670I | VK 31483 | — |
| Power Output | 170hp | 171hp | ▲ MT555B+1 hp · <1% |
| Rated RPM | 2,400RPM | 1,900RPM | ▲ 8070+500 RPM · +26% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 366ci | ▲ 8070+60 ci · +16% |
| Bore | 4.3in | 4.1in | ▲ 8070+0.2 in · +5% |
| Stroke | 5in | 5in | Same |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Type | Partial Power Shift | AutoPower VI | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Length | 187in | 182in | ▲ 8070+5 in · +3% |
| Width | 95.5in | 81.1in | ▲ 8070+14.4 in · +18% |
| Height | 116in | 117in | ▲ MT555B+1 in · <1% |
| Operating Weight | 16,850lb | 14,320lb | ▲ 8070+2,530 lb · +18% |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| System Type | Closed-center load-sensitive | Hydraulic control system direct engine drive | — |
| Pump Flow Capacity | Not recorded | 32.2gpm | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Front Tire Size | Not recorded | 16.9R30 | — |
| Rear Tire Size | Not recorded | 480/80R46 | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | III/II | II/III | — |
| Hitch Position | Rear | Rear | Same |
| Hitch Capacity | 8,200lb | 11,230lb | ▲ MT555B+3,030 lb · +37% |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4WD | — |
| Drive Type | 2WD | Four-Wheel Drive | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Brake Type | Differential hydraulic wet discs | Multiple wet disc brakes hydraulically operated | — |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Battery Voltage | Not recorded | 12V | — |
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Coolant | 9gal | 7.4gal | ▲ 8070+1.6 gal · +22% |
| Spec | Allis Chalmers 8070 | Challenger MT555B | Difference |
|---|---|---|---|
| Type | Cab | Not recorded | — |
Category context