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Allis ChalmersModel A
Allis Chalmers WD
Row Crop
- power
- 34.6 hp
- displacement
- 201 ci
- Cylinders
- 4
- Forward gears
- 4
Head to head · Row Crop
Allis Chalmers WD vs Sears New Economy
SearsModel B
Sears New Economy
Row Crop
- power
- Not recorded
- displacement
- 201 ci
- Cylinders
- 4
- Forward gears
- 3
Allis ChalmersAllis Chalmers WD
vs
SearsSears New Economy
How they compare
Headline specs vs. the whole Row Crop
Engine Displacement
= Effectively tiedWD201 ci
New Economy201 ci
Median Row Crop Tractor391 ci
WD is in the 8th percentile; New Economy is in the 8th · 1,409 models
Cylinders
= Effectively tiedWD4
New Economy4
Median Row Crop Tractor6
WD is in the 17th percentile; New Economy is in the 17th · 1,417 models
Forward Gears
▲ WD higher · +1 (+33%)WD4
New Economy3
Median Row Crop Tractor16
WD is in the 4th percentile; New Economy is in the 1st · 1,200 models
WD (A)New Economy (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Sears | — |
| Model | WD | New Economy | — |
| Category | Row Crop | Row Crop | Same |
Engine
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Ford | — |
| Model | Allis Chalmers | Model A | — |
| Power Output | 34.6hp | Not recorded | — |
| Rated RPM | 1,659RPM | 2,200RPM | ▲ New Economy+541 RPM · +33% |
| Cylinders | 4 | 4 | Same |
| Displacement | 201ci | 201ci | Same |
| Bore | 4in | 3.9in | ▲ WD+0.1 in · +3% |
| Stroke | 4in | 4.3in | ▲ New Economy+0.3 in · +7% |
Transmission
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Type | Non-synchronized Gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Length | 127in | Not recorded | — |
| Height | 81.5in | Not recorded | — |
Hydraulics
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Type | Optional Transmission or Live | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Hitch Type | Single Hitch Point | Not recorded | — |
| Hitch Category | Not recorded | III | — |
Chassis & Drive
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x2 2WD | Same |
| Drive Type | 2WD | 2WD | Same |
| Steering Type | Manual | Manual | Same |
| Brake Type | Manual External Compression Band | Not recorded | — |
Electrical
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
Capacities
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Coolant | 3.5gal | Not recorded | — |
Operator Station
| Spec | Allis Chalmers WD | Sears New Economy | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context
Both models against the field
Engine Displacement
median 391 ciA · 8th percentile (201 ci)B · 8th percentile (201 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 4th percentile (4)B · 1st percentile (3)
A · WDB · New EconomyMedian Row Crop Tractor