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

Utility
Agricultural
How they compare
8550 is in the 97th percentile; Q305 is in the 97th · 5,383 models
8550 is in the 96th percentile; Q305 is in the 93rd · 5,580 models
8550 is in the 93rd percentile; Q305 is in the 93rd · 5,720 models
8550 is in the 96th percentile; Q305 is in the 95th · 5,107 models
Full comparison
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Valtra | — |
| Model | 8550 | Q305 | — |
| Category | Utility | Agricultural | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | AGCO Power | — |
| Model | 6120T | 74 LFTN-D5 | — |
| Power Output | 300hp | 300hp | Same |
| Rated RPM | 2,500RPM | 1,950RPM | ▲ 8550+550 RPM · +28% |
| Cylinders | 6 | 6 | Same |
| Displacement | 731ci | 450ci | ▲ 8550+281 ci · +62% |
| Bore | 5.3in | 4.3in | ▲ 8550+1 in · +23% |
| Stroke | 6.3in | 5.3in | ▲ 8550+1 in · +19% |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Continuously-variable transmission | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Length | 285in | 219in | ▲ 8550+66 in · +30% |
| Width | 95.5in | 100in | ▲ Q305+4.5 in · +5% |
| Height | 139in | 131in | ▲ 8550+8 in · +6% |
| Operating Weight | 27,040lb | 20,283lb | ▲ 8550+6,757 lb · +33% |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| System Type | Closed Center | Closed-center load sensing | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | IV/III | Not recorded | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 Articulated 4WD | Not recorded | — |
| Drive Type | 4WD | Not recorded | — |
| Steering Type | Hydrostatic Power | Not recorded | — |
| Brake Type | Hydraulic Wet Discs | Not recorded | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Coolant | 18gal | Not recorded | — |
| Spec | Allis Chalmers 8550 | Valtra Q305 | Difference |
|---|---|---|---|
| Type | Acousta Cab II with heat and air-conditioning | Cab | — |
Category context