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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 Waterloo Boy R
Waterloo BoyModel B
Waterloo Boy R
Tractor
- power
- Not recorded
- displacement
- 465 ci
- Cylinders
- 2
- Forward gears
- 1
Allis ChalmersAllis Chalmers A
vs
Waterloo BoyWaterloo Boy R
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ R higher · +4 ci (<1%)A461 ci
R465 ci
Median Standard Tread Tractor382 ci
A is in the 62nd percentile; R is in the 65th · 353 models
Cylinders
▲ A higher · +2 (+100%)A4
R2
Median Standard Tread Tractor4
A is in the 50th percentile; R is in the 23rd · 367 models
Forward Gears
▲ A higher · +3 (+300%)A4
R1
Median Standard Tread Tractor4
A is in the 50th percentile; R is in the 3rd · 341 models
Operating Weight
▲ A higher · +975 lb (+16%)A7,175 lb
R6,200 lb
Median Standard Tread Tractor6,834 lb
A is in the 54th percentile; R is in the 40th · 297 models
A (A)R (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Waterloo Boy | — |
| Model | A | R | — |
| Category | Standard Tread | Not recorded | — |
Engine
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Waterloo Gasoline Engine Company | — |
| Rated RPM | Not recorded | 750RPM | — |
| Cylinders | 4 | 2 | ▲ A+2 · +100% |
| Displacement | 461ci | 465ci | ▲ R+4 ci · <1% |
| Bore | 4.8in | 6.5in | ▲ R+1.7 in · +35% |
| Stroke | 6.5in | 7in | ▲ R+0.5 in · +8% |
Transmission
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Unsynchronized gear | — |
Dimensions & Weight
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Length | 140in | 143in | ▲ R+3 in · +2% |
| Width | 63in | 72in | ▲ R+9 in · +14% |
| Height | 66in | 63in | ▲ A+3 in · +5% |
| Operating Weight | 7,175lb | 6,200lb | ▲ A+975 lb · +16% |
Hydraulics
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Tires
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Rear Tire Size | 48x12.1 | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Steering Type | Not recorded | Manual | — |
Electrical
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Hand-crank | — |
Capacities
| Spec | Allis Chalmers A | Waterloo Boy R | Difference |
|---|---|---|---|
| Coolant | Not recorded | 8.5gal | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 62nd percentile (461 ci)B · 65th percentile (465 ci)
Cylinders
median 4A · 50th percentile (4)B · 23rd percentile (2)
Forward Gears
median 4A · 50th percentile (4)B · 3rd percentile (1)
Operating Weight
median 6,834 lbA · 54th percentile (7,175 lb)B · 40th percentile (6,200 lb)
Length
median 137 inA · 55th percentile (140 in)B · 62nd percentile (143 in)
A · AB · RMedian Standard Tread Tractor