The Allis Chalmers WF is a tractor that produces approximately 22 hp, positioning it at the lighter end of its class. It was in production from 1938 to 1951 and features a 4-cylinder petrol liquid-cooled engine, coupled with two-wheel drive and a 4-speed gearbox. The tractor's operating weight is 1440 kg, and it is suitable for operations covering up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
22 hp
Weight
1440 kg
Catalogue coverage
Variants represented
2
Richest spec table
54 rows
Recorded power
22 hp
Recorded weight
1440 kg
Transmissions
4-speed gear
Production years
1938-1951
Verified variants
0
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Overview
ManufacturerAllis ChalmersReference
Standard-tread tractorReference
Built in West Allis, Wisconsin, USAReference
Original price was $1,340 in 1951Reference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Variants
WFstandardReference
WCrow-cropReference
Engine
Allis Chalmers 3.3L 4-cyl gasolineReference
Fuel tank56.8 LReference
Aux. fuel3.8 LReference
Plows2Reference
Allis ChalmersReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement3.3 LReference
Bore/Stroke102 x 102 mmReference
Firing order1-2-4-3Reference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
PTO & Hydraulics
PTO (claimed)16.4 kWReference
Rear PTOtransmissionReference
Rear PTO Type540Reference
Dimensions
Wheelbase177 cmReference
Weight1440 kgReference
Front tire5.5x16Reference
Rear tire11.25x24Reference
Ag front5.5x16Reference
Ag rear11.25x24Reference
Ag rear11x28Reference
Length301 cmReference
Width146 cmReference
Height (hood)139 cmReference
Rear tread116 to 144 cmReference
WF Serial Number Location
Serial number on the rear of the Allis-Chalmers WF, stamped into the differential housing.Reference
WF Serial Numbers
1938389Reference
19391336Reference
19401892Reference
19412300Reference
19422704Reference
1943NoneReference
19443004Reference
19453195Reference
19463510Reference
19473748Reference
19484111Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter22 cmReference
Width16 cmReference
RPM1170Reference
Speed841.25 meters/minReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
