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Allis ChalmersModel A
Allis Chalmers WC (1938-1948)
Row Crop
- power
- 18 hp
- displacement
- 201 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Allis Chalmers WC (1938-1948) vs Farmall F-20
FarmallModel B
Farmall F-20
Row Crop
- power
- 26.7 hp
- displacement
- 221 ci
- Cylinders
- 4
- Forward gears
- 4
Allis ChalmersAllis Chalmers WC (1938-1948)
vs
FarmallFarmall F-20
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ F-20 higher · +8.7 hp (+48%)WC (1938-1948)18 hp
F-2026.7 hp
Median Row Crop Tractor138 hp
WC (1938-1948) is in the 1st percentile; F-20 is in the 2nd · 1,206 models
Engine Displacement
▲ F-20 higher · +20 ci (+10%)WC (1938-1948)201 ci
F-20221 ci
Median Row Crop Tractor391 ci
WC (1938-1948) is in the 8th percentile; F-20 is in the 11th · 1,409 models
Cylinders
= Effectively tiedWC (1938-1948)4
F-204
Median Row Crop Tractor6
WC (1938-1948) is in the 17th percentile; F-20 is in the 17th · 1,417 models
Forward Gears
= Effectively tiedWC (1938-1948)4
F-204
Median Row Crop Tractor16
WC (1938-1948) is in the 4th percentile; F-20 is in the 4th · 1,200 models
WC (1938-1948) (A)F-20 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Farmall | — |
| Model | WC (1938-1948) | F-20 | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Manufacturer | Allis-Chalmers | International Harvester | — |
| Model | Not recorded | International Harvester | — |
| Power Output | 18hp | 26.7hp | ▲ F-20+8.7 hp · +48% |
| Rated RPM | 1,300RPM | 1,200RPM | ▲ WC (1938-1948)+100 RPM · +8% |
| Cylinders | 4 | 4 | Same |
| Displacement | 201ci | 221ci | ▲ F-20+20 ci · +10% |
| Bore | 4in | 3.8in | ▲ WC (1938-1948)+0.2 in · +5% |
| Stroke | 4in | 5in | ▲ F-20+1 in · +25% |
Transmission
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Type | Non-synchronized Gear Type | Sliding gear | — |
Dimensions & Weight
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Length | 136in | 140in | ▲ F-20+4 in · +3% |
| Width | 76in | 85.8in | ▲ F-20+9.8 in · +13% |
| Height | 63in | 66.9in | ▲ F-20+3.9 in · +6% |
| Operating Weight | 3,792lb | 4,400lb | ▲ F-20+608 lb · +16% |
Hydraulics
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Type | Transmission | Transmission | Same |
| Speed 1 | 535rpm | 540rpm | ▲ F-20+5 rpm · <1% |
Chassis & Drive
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 | — |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Differential hand-operated mechanical drum | Mechanical band | — |
Electrical
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Starter Type | Electric | Electric | Same |
Capacities
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Coolant | 3.5gal | 10gal | ▲ F-20+6.5 gal · +186% |
Operator Station
| Spec | Allis Chalmers WC (1938-1948) | Farmall F-20 | Difference |
|---|---|---|---|
| Type | Open operator station | Open | — |
Category context
Both models against the field
Engine Power
median 138 hpA · 1st percentile (18 hp)B · 2nd percentile (26.7 hp)
Engine Displacement
median 391 ciA · 8th percentile (201 ci)B · 11th percentile (221 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 4th percentile (4)B · 4th percentile (4)
Operating Weight
median 12,307 lbA · 4th percentile (3,792 lb)B · 6th percentile (4,400 lb)
A · WC (1938-1948)B · F-20Median Row Crop Tractor