Tractor · 1929Unverified
Wallis 12-20
Wallis 12-20 — Standard-tread tractor · 12 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
12 hp
Max power
13.5 kW
Weight
1567 kg
Hover a source tag to verify
Overview
ManufacturerWallis (a part of Massey-Harris)Reference
Standard-tread tractorReference
Built in Racine, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Wallis 4.1L 4-cyl gasolineReference
Fuel tank56.8 LReference
Aux. fuel6.6 LReference
Drawbar (claimed)8.9 kWReference
Belt (claimed)14.9 kWReference
Plows2Reference
Drawbar (tested)13.5 kWReference
Belt (tested)18.0 kWReference
WallisReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement4.1 LReference
Bore/Stroke98 x 133 mmReference
Rated RPM1000Reference
Starter typehand-crankReference
Belt power (max)18.0 kWReference
Max power13.5 kWReference
Transmission
3-speed gearReference
TypegearReference
Gears3 forward and 1 reverseReference
Clutchdry discReference
Dimensions
Wheelbase198 cmReference
Weight1567 kgReference
Front tire28x5Reference
Rear tire44x10Reference
Ag front28x5 (steel)Reference
Ag rear44x10 (steel)Reference
Length307 cmReference
Width139 cmReference
Height129 cmReference
Capacities
Diameter43 cmReference
Width15 cmReference
RPM540Reference
Speed731.52 meters/minReference
Test results
Gasoline 3-speed 2WDJune 18 - 27, 1929Link: Nebraska Tractor Test 164 fileReference
Belt fuel use (max)9.5 l/hourReference
Drawbar performanceReference
Max pull1368 kgReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.