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Tractor · 1938Unverified

Graham-Bradley 103

Name: Graham-Bradley 103
Brand: Graham-Bradley

Graham-Bradley 103 — Row-Crop tractor · 25 hp. Reference specifications; pending source verification.

The Graham-Bradley 103 is a tractor with a rated output of 25 hp, representing a relatively compact option within its class. The model was manufactured from 1938 to 1939. It features a 6-cylinder, petrol, liquid-cooled engine, coupled with a 4-speed gearbox and two-wheel drive system. The 103 is suited for small-scale tasks covering areas of up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

42 rows

Recorded power

25 hp

Transmissions

4-speed gear

Production years

1938-1939

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

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.

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