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Allis ChalmersModel A
Allis Chalmers A
Standard Tread
- power
- Not recorded
- displacement
- 461 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Standard Tread
Allis Chalmers A vs Best Thirty
BestModel B
Best Thirty
Agricultural
- power
- Not recorded
- displacement
- 461 ci
- Cylinders
- 4
- Forward gears
- 3
Allis ChalmersAllis Chalmers A
vs
BestBest Thirty
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
= Effectively tiedA461 ci
Thirty461 ci
Median Standard Tread Tractor382 ci
A is in the 62nd percentile; Thirty is in the 63rd · 353 models
Cylinders
= Effectively tiedA4
Thirty4
Median Standard Tread Tractor4
A is in the 50th percentile; Thirty is in the 50th · 367 models
Forward Gears
▲ A higher · +1 (+33%)A4
Thirty3
Median Standard Tread Tractor4
A is in the 50th percentile; Thirty is in the 39th · 341 models
Operating Weight
▲ Thirty higher · +225 lb (+3%)A7,175 lb
Thirty7,400 lb
Median Standard Tread Tractor6,834 lb
A is in the 54th percentile; Thirty is in the 57th · 297 models
A (A)Thirty (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers A | Best Thirty | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Best | — |
| Model | A | Thirty | — |
| Category | Standard Tread | Agricultural | — |
Engine
| Spec | Allis Chalmers A | Best Thirty | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Best | — |
| Rated RPM | Not recorded | 850RPM | — |
| Cylinders | 4 | 4 | Same |
| Displacement | 461ci | 461ci | Same |
| Bore | 4.8in | 4.8in | Same |
| Stroke | 6.5in | 6.5in | Same |
Transmission
| Spec | Allis Chalmers A | Best Thirty | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers A | Best Thirty | Difference |
|---|---|---|---|
| Length | 140in | Not recorded | — |
| Width | 63in | 53.3in | ▲ A+9.7 in · +18% |
| Height | 66in | 59in | ▲ A+7 in · +12% |
| Operating Weight | 7,175lb | 7,400lb | ▲ Thirty+225 lb · +3% |
Tires
| Spec | Allis Chalmers A | Best Thirty | Difference |
|---|---|---|---|
| Rear Tire Size | 48x12.1 | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 62nd percentile (461 ci)B · 63rd percentile (461 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 4A · 50th percentile (4)B · 39th percentile (3)
Operating Weight
median 6,834 lbA · 54th percentile (7,175 lb)B · 57th percentile (7,400 lb)
Width
median 72.4 inA · 19th percentile (63 in)B · 4th percentile (53.3 in)
A · AB · ThirtyMedian Standard Tread Tractor