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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
Row Crop

Utility
How they compare
WD is in the 3rd percentile; STV40 is in the 3rd · 1,206 models
WD is in the 8th percentile; STV40 is in the 1st · 1,409 models
WD is in the 17th percentile; STV40 is in the 2nd · 1,417 models
WD is in the 5th percentile; STV40 is in the 1st · 1,157 models
Full comparison
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kubota | — |
| Model | WD | STV40 | — |
| Category | Row Crop | Utility | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Manufacturer | Allis Chalmers | Kubota | — |
| Model | Allis Chalmers | D1803M | — |
| Power Output | 34.6hp | 34.7hp | ▲ STV40+0.1 hp · <1% |
| Rated RPM | 1,659RPM | 2,700RPM | ▲ STV40+1,041 RPM · +63% |
| Cylinders | 4 | 3 | ▲ WD+1 · +33% |
| Displacement | 201ci | 111ci | ▲ WD+90 ci · +81% |
| Bore | 4in | 3.4in | ▲ WD+0.6 in · +18% |
| Stroke | 4in | 4in | Same |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Type | Non-synchronized Gear | Hydrostatic | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Length | 127in | 106in | ▲ WD+21 in · +20% |
| Width | Not recorded | 48in | — |
| Height | 81.5in | Not recorded | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| System Type | Open Center | Not recorded | — |
| Steering Type | Manual | Power | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Type | Optional Transmission or Live | Not recorded | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Hitch Type | Single Hitch Point | 3-point hitch | — |
| Hitch Category | Not recorded | Category 1 | — |
| Hitch Position | Not recorded | Rear | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Chassis Type | 4x2 2WD | 4x4 MFWD 4WD | — |
| Drive Type | 2WD | 4WD | — |
| Steering Type | Manual | Power | — |
| Brake Type | Manual External Compression Band | Not recorded | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Starter Type | Not recorded | Electric | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Coolant | 3.5gal | Not recorded | — |
| Spec | Allis Chalmers WD | Kubota STV40 | Difference |
|---|---|---|---|
| Type | Open | Not recorded | — |
Category context