Tractor · 1950Unverified
Allis Chalmers WS
Allis Chalmers WS — Agricultural Crawler tractor · 84 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
84 hp
Max power
51.3 kW
Weight
9142 kg
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Overview
ManufacturerAllis ChalmersReference
Agricultural Crawler tractorReference
Built in Springfield, Illinois, USAReference
Open operator station.Reference
Variants
SgasolineReference
SOspark-ignition dieselReference
WSwideReference
Engine
Allis Chalmers 11.1L 4-cyl gasolineReference
Fuel tank242.2 LReference
Drawbar (tested)51.3 kWReference
Belt (tested)62.9 kWReference
Allis ChalmersReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement11.1 LReference
Bore/Stroke146 x 165 mmReference
Fuel systemZenith 62A-12 carburetorReference
Air cleaneroil bathReference
Compression5:1Reference
Rated RPM1050Reference
Starter volts12Reference
Coolant capacity47.3 LReference
Belt power (max)62.9 kWReference
Max power51.3 kWReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Clutchdry discReference
PTO & Hydraulics
PTO (claimed)62.6 kWReference
Dimensions
Weight9142 kgReference
Test results
Gasoline 5-speed crawlerNovember 18 - 24, 1939Link: Nebraska Tractor Test 337 fileReference
Belt fuel use (max)31.0 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull8093 kgReference
Gear 1 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.