Allis-Chalmers WS Specs ( 1950-1953 )
Overview
The Allis-Chalmers WS is a powerful agricultural crawler tractor built in Springfield, Illinois, featuring a massive 11.1L gasoline engine that delivers 84.34 hp at the belt. Weighing 20,155 lbs and offering a maximum pull of 17,843 lbs, this machine is designed for heavy-duty farm operations requiring significant traction and power.
Ideal Applications
Heavy Drawbar Tasks:
With a tested pull of 17,843 lbs and 68.86 drawbar horsepower, this tractor is well-suited for high-resistance towing and heavy tillage work.
Stationary Belt Work:
The engine provides 84.34 tested hp to the belt, allowing it to efficiently power large-scale stationary agricultural machinery.
Long-Duration Farm Operations:
The 64-gallon fuel tank capacity and five-speed gear transmission support extended work cycles for large-scale agricultural projects.
Production
| Description | Agricultural Crawler tractor / Built in Springfield, Illinois, USA |
|---|---|
| Manufacturer | Allis Chalmers |
Engine
| Engine type | Allis Chalmers 11.1L 4-cyl gasoline |
|---|---|
| Fuel tank | 64 gal (242.2 L) |
| Air cleaner | oil bath |
| Bore/Stroke | 5.75x6.50 inches (146 x 165 mm) |
| Compression | 5:1 |
| Coolant capacity | 50 qts (47.3 L) |
| Description | Allis Chalmers / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 675.1 ci (11.1 L) |
| Fuel system | Zenith 62A-12 carburetor |
| Rated RPM | 1050 |
| Starter volts | 12 |
| Belt (tested) | 84.34 hp (62.9 kW) |
| Drawbar (tested) | 68.86 hp (51.3 kW) |
| PTO (claimed) | 84 hp (62.6 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 5 forward and 1 reverse |
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|
Dimensions & Tires
| Weight | 20,155 lbs (9142 kg) |
|---|---|
| Weight | 20,155 lbs (9142 kg) |
Nebraska Tractor Test 337
| Belt fuel use (max) | 8.2 gal/hour (31.0 l/hour) |
|---|---|
| Belt power (max) | 84.34 hp (62.9 kW) |
| Description | Gasoline 5-speed crawlerNovember 18 - 24, 1939Link: Nebraska Tractor Test 337 file / Drawbar performance / Gear 2 used for power test. / Gear 1 used for pull test. |
| Max power | 68.86 hp (51.3 kW) |
| Max pull | 17843 lbs (8093 kg) |
Variants
| S | gasoline |
|---|---|
| SO | spark-ignition diesel |
| WS | wide |