Tractor · 1918Unverified
Gray Tractor 18-36
Gray Tractor 18-36 — Standard-tread tractor · 18 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
18 hp
Max power
14.6 kW
Weight
2812 kg
Hover a source tag to verify
Overview
ManufacturerGray TractorReference
Standard-tread tractorReference
Built in Minneapolis, Minnesota, USAReference
Drive3x1 drum driveReference
Manual steeringReference
Open operator station.Reference
Engine
Waukesha 7.8L 4-cyl gasolineReference
Drawbar (claimed)13.4 kWReference
Belt (claimed)26.8 kWReference
Plows4Reference
Drawbar (tested)14.6 kWReference
Belt (tested)24.0 kWReference
Waukesha PReference
gasolineReference
4-cylinderReference
liquid-cooled inlineReference
Displacement7.8 LReference
Bore/Stroke121 x 171 mmReference
Fuel systemcarburetorReference
Rated RPM900Reference
Starter typehand-crankReference
Belt power (max)24.0 kWReference
Max power14.6 kWReference
Transmission
2-speed gearReference
TypegearReference
Gears2 forward and 1 reverseReference
Dimensions
Wheelbase265 cmReference
Weight2812 kgReference
Front tire40x8Reference
Rear tire54x54Reference
Ag front40x8 steelReference
Ag rear54x54 steelReference
Length441 cmReference
Width183 cmReference
Height182 cmReference
18-36 Serial Number Location
Serial number plate on the left side of the tractor, on top of the transmission case.Reference
Capacities
Diameter27 cmReference
Width20 cmReference
Test results
Gasoline 2-speed 2WDJune 11 - July 3, 1920Link: Nebraska Tractor Test 22 fileReference
Drawbar performanceReference
Max pull1537 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.