
Allis ChalmersModel A
Allis Chalmers 8550
Utility
- power
- 300 hp
- displacement
- 731 ci
- Cylinders
- 6
- Forward gears
- 20
Head to head · Utility

Utility
Row Crop
How they compare
8550 is in the 97th percentile; 9200 is in the 96th · 5,383 models
8550 is in the 96th percentile; 9200 is in the 95th · 5,580 models
8550 is in the 93rd percentile; 9200 is in the 93rd · 5,720 models
8550 is in the 86th percentile; 9200 is in the 50th · 4,941 models
Full comparison
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 8550 | 9200 | — |
| Category | Utility | Row Crop, Four-Wheel Drive | — |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | John Deere | — |
| Model | 6120T | Not recorded | — |
| Power Output | 300hp | 297hp | ▲ 8550+3 hp · +1% |
| Rated RPM | 2,500RPM | 1,900RPM | ▲ 8550+600 RPM · +32% |
| Cylinders | 6 | 6 | Same |
| Displacement | 731ci | 640ci | ▲ 8550+91 ci · +14% |
| Bore | 5.3in | 5in | ▲ 8550+0.3 in · +6% |
| Stroke | 6.3in | 5.4in | ▲ 8550+0.9 in · +17% |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Partially synchronized | — |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Length | 285in | 274in | ▲ 8550+11 in · +4% |
| Width | 95.5in | 158in | ▲ 9200+62.5 in · +65% |
| Height | 139in | 137in | ▲ 8550+2 in · +1% |
| Operating Weight | 27,040lb | 35,120lb | ▲ 9200+8,080 lb · +30% |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| System Type | Closed Center | Closed center PFC | — |
| Steering Type | Hydrostatic Power | Hydrostatic power | Same |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Type | Independent | Independent | Same |
| Speed 1 | 1,000rpm | 1,000rpm | Same |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Rear Tire Size | Not recorded | 20.8R42 | — |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | IV/III | Category 3 | — |
| Hitch Position | Not recorded | Rear | — |
| Hitch Capacity | Not recorded | 13,104lb | — |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 Articulated 4WD | 4x4 articulated 4WD | Same |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydrostatic Power | Hydrostatic power | Same |
| Brake Type | Hydraulic Wet Discs | Hydraulic wet disc | — |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Coolant | 18gal | 14gal | ▲ 8550+4 gal · +29% |
| Spec | Allis Chalmers 8550 | John Deere 9200 | Difference |
|---|---|---|---|
| Type | Acousta Cab II with heat and air-conditioning | Cab | — |
Category context