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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 Oliver 500
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Allis ChalmersAllis Chalmers WD
vs
OliverOliver 500
How they compare
Headline specs vs. the whole Row Crop
Engine Power
▲ 500 higher · +0.4 hp (+1%)WD34.6 hp
50035 hp
Median Row Crop Tractor138 hp
WD is in the 3rd percentile; 500 is in the 3rd · 1,206 models
Engine Displacement
▲ WD higher · +47 ci (+31%)WD201 ci
500154 ci
Median Row Crop Tractor391 ci
WD is in the 8th percentile; 500 is in the 4th · 1,409 models
Cylinders
= Effectively tiedWD4
5004
Median Row Crop Tractor6
WD is in the 17th percentile; 500 is in the 17th · 1,417 models
Forward Gears
▲ 500 higher · +2 (+50%)WD4
5006
Median Row Crop Tractor16
WD is in the 4th percentile; 500 is in the 11th · 1,200 models
WD (A)500 (B)Median Row Crop Tractor
Full comparison
Every spec, side by side
General Information
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Oliver | — |
| Model | WD | 500 | — |
| Category | Row Crop | Utility | — |
Engine
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | David Brown | — |
| Model | Allis Chalmers | 2.5L 4-cyl diesel | — |
| Power Output | 34.6hp | 35hp | ▲ 500+0.4 hp · +1% |
| Rated RPM | 1,659RPM | 2,000RPM | ▲ 500+341 RPM · +21% |
| Cylinders | 4 | 4 | Same |
| Displacement | 201ci | 154ci | ▲ WD+47 ci · +31% |
| Bore | 4in | 3.5in | ▲ WD+0.5 in · +14% |
| Stroke | 4in | 4in | Same |
Transmission
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Type | Non-synchronized Gear | Gear | — |
Dimensions & Weight
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Length | 127in | 114in | ▲ WD+13 in · +11% |
| Width | Not recorded | 62.8in | — |
| Height | 81.5in | 51.8in | ▲ WD+29.7 in · +57% |
| Operating Weight | Not recorded | 4,094lb | — |
Hydraulics
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Manual | Manual | Same |
Power Take-off (PTO)
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Type | Optional Transmission or Live | Not recorded | — |
Hitch & Towing
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Hitch Type | Single Hitch Point | Category I | — |
Chassis & Drive
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | Not recorded | — |
| Drive Type | 2WD | Not recorded | — |
| Steering Type | Manual | Manual | Same |
| Brake Type | Manual External Compression Band | Not recorded | — |
Electrical
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | 12 Volt electric starter | — |
Capacities
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Coolant | 3.5gal | 3gal | ▲ WD+0.5 gal · +17% |
Operator Station
| Spec | Allis Chalmers WD | Oliver 500 | Difference |
|---|---|---|---|
| Type | Open | Open | Same |
Category context
Both models against the field
Engine Power
median 138 hpA · 3rd percentile (34.6 hp)B · 3rd percentile (35 hp)
Engine Displacement
median 391 ciA · 8th percentile (201 ci)B · 4th percentile (154 ci)
Cylinders
median 6A · 17th percentile (4)B · 17th percentile (4)
Forward Gears
median 16A · 4th percentile (4)B · 11th percentile (6)
Length
median 180 inA · 5th percentile (127 in)B · 2nd percentile (114 in)
A · WDB · 500Median Row Crop Tractor