Image not recorded
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 Twin City 15-30
Image not recorded
Twin CityModel B
Twin City 15-30
Standard Tread
- power
- Not recorded
- displacement
- 496 ci
- Cylinders
- 4
- Forward gears
- 2
Allis ChalmersAllis Chalmers A
vs
Twin CityTwin City 15-30
How they compare
Headline specs vs. the whole Standard Tread
Engine Displacement
▲ 15-30 higher · +35 ci (+8%)A461 ci
15-30496 ci
Median Standard Tread Tractor382 ci
A is in the 62nd percentile; 15-30 is in the 67th · 353 models
Cylinders
= Effectively tiedA4
15-304
Median Standard Tread Tractor4
A is in the 50th percentile; 15-30 is in the 50th · 367 models
Forward Gears
▲ A higher · +2 (+100%)A4
15-302
Median Standard Tread Tractor4
A is in the 50th percentile; 15-30 is in the 19th · 341 models
Operating Weight
▲ 15-30 higher · +475 lb (+7%)A7,175 lb
15-307,650 lb
Median Standard Tread Tractor6,834 lb
A is in the 54th percentile; 15-30 is in the 60th · 297 models
A (A)15-30 (B)Median Standard Tread Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Twin City | — |
| Model | A | 15-30 | — |
| Category | Standard Tread | Standard Tread | Same |
Engine
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Not recorded | — |
| Rated RPM | Not recorded | 650RPM | — |
| Cylinders | 4 | 4 | Same |
| Displacement | 461ci | 496ci | ▲ 15-30+35 ci · +8% |
| Bore | 4.8in | 4.8in | Same |
| Stroke | 6.5in | 7in | ▲ 15-30+0.5 in · +8% |
Transmission
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Type | Non-synchronized gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Length | 140in | 180in | ▲ 15-30+40 in · +29% |
| Width | 63in | 60in | ▲ A+3 in · +5% |
| Height | 66in | 120in | ▲ 15-30+54 in · +82% |
| Operating Weight | 7,175lb | 7,650lb | ▲ 15-30+475 lb · +7% |
Tires
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Rear Tire Size | 48x12.1 | Not recorded | — |
Chassis & Drive
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Chassis Type | Not recorded | 4x2 2WD | — |
| Drive Type | Not recorded | 2WD | — |
Capacities
| Spec | Allis Chalmers A | Twin City 15-30 | Difference |
|---|---|---|---|
| Coolant | Not recorded | 50gal | — |
Category context
Both models against the field
Engine Displacement
median 382 ciA · 62nd percentile (461 ci)B · 67th percentile (496 ci)
Cylinders
median 4A · 50th percentile (4)B · 50th percentile (4)
Forward Gears
median 4A · 50th percentile (4)B · 19th percentile (2)
Operating Weight
median 6,834 lbA · 54th percentile (7,175 lb)B · 60th percentile (7,650 lb)
Length
median 137 inA · 55th percentile (140 in)B · 91st percentile (180 in)
A · AB · 15-30Median Standard Tread Tractor