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

Utility
Utility
How they compare
8550 is in the 97th percentile; 900 is in the 97th · 5,383 models
8550 is in the 96th percentile; 900 is in the 98th · 5,580 models
8550 is in the 93rd percentile; 900 is in the 99th · 5,720 models
8550 is in the 86th percentile; 900 is in the 50th · 4,941 models
Full comparison
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Versatile | — |
| Model | 8550 | 900 | — |
| Category | Utility | Utility | Same |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Cummins | — |
| Model | 6120T | V-903 | — |
| Power Output | 300hp | 300hp | Same |
| Rated RPM | 2,500RPM | 2,400RPM | ▲ 8550+100 RPM · +4% |
| Cylinders | 6 | 8 | ▲ 900+2 · +33% |
| Displacement | 731ci | 903ci | ▲ 900+172 ci · +24% |
| Bore | 5.3in | 5.5in | ▲ 900+0.2 in · +4% |
| Stroke | 6.3in | 4.8in | ▲ 8550+1.5 in · +31% |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Gear | — |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Length | 285in | 253in | ▲ 8550+32 in · +13% |
| Width | 95.5in | Not recorded | — |
| Height | 139in | 130in | ▲ 8550+9 in · +7% |
| Operating Weight | 27,040lb | 18,000lb | ▲ 8550+9,040 lb · +50% |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| System Type | Closed Center | Open center | — |
| Steering Type | Hydrostatic Power | Articulated power | — |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Three-Point Hitch | Same |
| Hitch Category | IV/III | III | — |
| Hitch Capacity | Not recorded | 12,370lb | — |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 Articulated 4WD | 4x4 articulated 4WD | Same |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydrostatic Power | Articulated power | — |
| Brake Type | Hydraulic Wet Discs | Not recorded | — |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Coolant | 18gal | 13.3gal | ▲ 8550+4.7 gal · +35% |
| Spec | Allis Chalmers 8550 | Versatile 900 | Difference |
|---|---|---|---|
| Type | Acousta Cab II with heat and air-conditioning | Not recorded | — |
Category context