Tractor · 1938Unverified
Graham-Bradley 103
Graham-Bradley 103 — Row-Crop tractor · 25 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
25 hp
Max power
18.8 kW
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Overview
ManufacturerGraham-BradleyReference
Row-Crop tractorReference
Built in Detroit, Michigan, USAReference
Two-wheel driveReference
SteeringmanualReference
Open operator station.Reference
Variants
103row-cropReference
104standard treadReference
Engine
Graham-Paige 3.6L 6-cyl gasolineReference
Plows3 (14-inch)Reference
Drawbar (tested)18.8 kWReference
Belt (tested)22.7 kWReference
Graham-PaigeReference
gasolineReference
6-cylinderReference
liquid-cooledReference
Displacement3.6 LReference
Bore/Stroke83 x 111 mmReference
Fuel systemSchebler carburetorReference
Air cleaneroil bathReference
Rated RPM1500Reference
Firing order1-5-3-6-2-4Reference
Belt power (max)22.7 kWReference
Max power18.8 kWReference
Transmission
4-speed gearReference
TypegearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Dimensions
Front tire5.50x16Reference
Rear tire9.00x36Reference
Ag front5.50x16Reference
Ag rear9.00x36Reference
Capacities
Diameter38 cmReference
Width18 cmReference
RPM714Reference
Speed853.44 meters/minReference
Test results
Gasoline 4-speed 2WDApril 6 - 14, 1938Link: Nebraska Tractor Test 296 fileReference
Belt fuel use (max)11.7 l/hourReference
Drawbar performanceReference
Gear 2 used for power test.Reference
Max pull1366 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.