
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; SX 7800S is in the 64th · 5,383 models
8550 is in the 96th percentile; SX 7800S is in the 55th · 5,580 models
8550 is in the 93rd percentile; SX 7800S is in the 50th · 5,720 models
8550 is in the 86th percentile; SX 7800S is in the 73rd · 4,941 models
Full comparison
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Antonio Carraro | — |
| Model | 8550 | SX 7800S | — |
| Category | Utility | Utility | Same |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Yanmar | — |
| Model | 6120T | Not recorded | — |
| Power Output | 300hp | 71hp | ▲ 8550+229 hp · +323% |
| Rated RPM | 2,500RPM | 2,500RPM | Same |
| Cylinders | 6 | 4 | ▲ 8550+2 · +50% |
| Displacement | 731ci | 203ci | ▲ 8550+528 ci · +260% |
| Bore | 5.3in | 3.9in | ▲ 8550+1.4 in · +36% |
| Stroke | 6.3in | 4.3in | ▲ 8550+2 in · +47% |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Type | Partial Power Shift | Manual | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Length | 285in | 136in | ▲ 8550+149 in · +110% |
| Width | 95.5in | 41.7in | ▲ 8550+53.8 in · +129% |
| Height | 139in | 93.1in | ▲ 8550+45.9 in · +49% |
| Operating Weight | 27,040lb | 4,773lb | ▲ 8550+22,267 lb · +467% |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| System Type | Closed Center | Not recorded | — |
| Steering Type | Hydrostatic Power | Hydraulic Power | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 1,000rpm | Not recorded | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Hitch Type | Three-Point Hitch | Not recorded | — |
| Hitch Category | IV/III | II/I | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Chassis Type | 4x4 Articulated 4WD | 4x4 Articulated 4WD | Same |
| Drive Type | 4WD | 4 WD | — |
| Steering Type | Hydrostatic Power | Hydraulic Power | — |
| Brake Type | Hydraulic Wet Discs | Not recorded | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Coolant | 18gal | Not recorded | — |
| Spec | Allis Chalmers 8550 | Antonio Carraro SX 7800S | Difference |
|---|---|---|---|
| Type | Acousta Cab II with heat and air-conditioning | Available with ROPS or Cab | — |
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