Image not recorded
Allis ChalmersModel A
Allis Chalmers 7580
Utility
- power
- 186 hp
- displacement
- 426 ci
- Cylinders
- 6
- Forward gears
- 20
Head to head · Utility
Allis Chalmers 7580 vs County 1884
Image not recorded
CountyModel B
County 1884
Agricultural
- power
- 188 hp
- displacement
- 401 ci
- Cylinders
- 6
- Forward gears
- Not recorded
Allis ChalmersAllis Chalmers 7580
vs
CountyCounty 1884
How they compare
Headline specs vs. the whole Utility
Engine Power
▲ 1884 higher · +2 hp (+1%)7580186 hp
1884188 hp
Median Utility Tractor55 hp
7580 is in the 94th percentile; 1884 is in the 94th · 5,383 models
Engine Displacement
▲ 7580 higher · +25 ci (+6%)7580426 ci
1884401 ci
Median Utility Tractor183 ci
7580 is in the 92nd percentile; 1884 is in the 90th · 5,580 models
Cylinders
= Effectively tied75806
18846
Median Utility Tractor4
7580 is in the 93rd percentile; 1884 is in the 93rd · 5,720 models
7580 (A)1884 (B)Median Utility Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | County | — |
| Model | 7580 | 1884 | — |
| Category | Utility | Agricultural | — |
Engine
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | 3750 Mark II | Not recorded | — |
| Power Output | 186hp | 188hp | ▲ 1884+2 hp · +1% |
| Rated RPM | 2,550RPM | 2,200RPM | ▲ 7580+350 RPM · +16% |
| Cylinders | 6 | 6 | Same |
| Displacement | 426ci | 401ci | ▲ 7580+25 ci · +6% |
| Bore | 4.3in | 4.4in | ▲ 1884+0.1 in · +2% |
| Stroke | 5in | 4.4in | ▲ 7580+0.6 in · +14% |
Transmission
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Type | Partial power shift | Not recorded | — |
Dimensions & Weight
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Length | 225in | Not recorded | — |
| Width | 95.5in | Not recorded | — |
| Height | 150in | Not recorded | — |
| Operating Weight | 25,000lb | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| System Type | Closed center | Not recorded | — |
| Steering Type | Hydrostatic power | Not recorded | — |
Power Take-off (PTO)
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Type | Independent | Not recorded | — |
| Speed 1 | 540rpm | Not recorded | — |
Tires
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Front Tire Size | 23.1-30 | Not recorded | — |
| Rear Tire Size | 23.1-30 | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Hitch Type | III | Not recorded | — |
| Hitch Category | Category 3 | Not recorded | — |
| Hitch Position | Rear | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Chassis Type | 4x4 articulated 4WD | 4x4 4WD | — |
| Drive Type | 4WD | 4WD | Same |
| Steering Type | Hydrostatic power | Not recorded | — |
| Brake Type | Hydraulic wet discs | Not recorded | — |
Electrical
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Starter Type | Electric | Not recorded | — |
Capacities
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Coolant | 9.5gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers 7580 | County 1884 | Difference |
|---|---|---|---|
| Type | Acousta cab | Not recorded | — |
Category context
Both models against the field
Engine Power
median 55 hpA · 94th percentile (186 hp)B · 94th percentile (188 hp)
Engine Displacement
median 183 ciA · 92nd percentile (426 ci)B · 90th percentile (401 ci)
Cylinders
median 4A · 93rd percentile (6)B · 93rd percentile (6)
A · 7580B · 1884Median Utility Tractor