Production years
1948-1953
Allis-Chalmers tractor ยท 1948-1953
Allis-Chalmers WD Tractor
The Allis-Chalmers WD is an iconic postwar row-crop tractor with 30.23 tested drawbar hp. It is best suited to vintage field work, light chores, and collectors who want a usable classic.
Engine
Allis-Chalmers 3.3 L four-cylinder gasoline engine
Power
30.23 drawbar hp tested
Weight, approximate
3,500 lb operating weight
Allis-Chalmers WD specifications
| Production years | 1948-1953 |
|---|---|
| Engine | Allis-Chalmers 3.3 L four-cylinder gasoline engine |
| Power | 30.23 drawbar hp tested |
| Transmission | 4-speed non-synchronized gear |
| Weight, approximate | 3,500 lb operating weight |
| Fuel type | Gasoline or tractor fuel, depending on version |
| PTO | 540 rpm transmission PTO; live PTO optional |
What the WD is used for
The WD is appropriate for period-correct plowing, cultivating, mowing, and drawbar work. Its size and simple mechanical layout make it popular at tractor shows and on small vintage farms.
Treat it as an older machine, not as a substitute for a modern loader or utility tractor. Select implements conservatively and account for its open operator station and older braking and steering systems.
Why the Allis-Chalmers WD stands out
The WD is known for its Two-Clutch Power Control, power-shifted rear wheels, and traction-booster hitch arrangement. Its large production total and active enthusiast community support collector interest.
Buying a used Allis-Chalmers WD
Inspect the engine block and cooling system, hand-clutch operation, PTO operation, steering, brakes, and traction-booster linkage. Check rear rims for calcium-chloride corrosion and confirm serial-number details and specifications with TractorData.com.
Allis-Chalmers WD frequently asked questions
What years was the Allis-Chalmers WD built?
The WD was produced from 1948 through 1953.
How much drawbar power does the WD have?
Nebraska testing recorded 30.23 drawbar hp.
What is the WD's hand clutch for?
Its hand-operated wet clutch lets the operator slow or stop tractor travel while keeping the PTO operating.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used tractors vary by condition and region. Page updated Aug 4, 2026.