Tractorpedia.com

Graham-Bradley 103

Graham-Bradley 103 tractor
View Images
The Graham-Bradley 103 is a row-crop tractor produced from 1938 to 1939 by Graham-Bradley in Detroit, Michigan, USA. It features a Graham-Paige 3.6L 6-cylinder gasoline engine with liquid cooling and a Schebler carburetor. The tractor has a 4-speed gear transmission with dry disc clutch and is two-wheel drive with manual steering and an open operator station. It is equipped with 5.50x16 front tires and 9.00x36 rear tires. The 103 model is designed for row-crop use and can pull 3 14-inch plows. It delivers 25.20 hp at the drawbar and 30.38 hp at the belt. The belt pulley has a diameter of 15 inches, width of 7.25 inches, and runs at 714 RPM, providing a belt speed of 2800 ft/min.
Graham-Bradley 103tractorspecificationsenginetransmissionrow-crop tractor19381939
Power33 hp[B]
Founded1938 - 1939
Model103

Technical Specifications

Detailed specifications and technical data for Graham-Bradley 103

Power

Plows:3 (14-inch)
Belt (tested):30.38 hp (22.7 kW)
Drawbar (tested):25.20 hp (18.8 kW)

Engine

Make:Graham-Paige
Type:gasoline
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:1500
Air cleaner:oil bath
Bore/Stroke:3.25x4.375 inches (83 x 111 mm)
Fuel system:Schebler carburetor
Displacement:218 ci (3.6 L)
Firing order:1-5-3-6-2-4

Variants

103:row-crop
104:standard tread

Mechanical

Drive:Two-wheel drive
Steering:manual
Operator station:Open operator station.

Production

Type:Row-Crop tractor
Built in:Detroit, Michigan, USA
Manufacturer:Graham-Bradley
Years produced:1938 - 1939

Belt Pulley

RPM:714
Speed:2800 ft/min (853.44 meters/min)
Width:7.25 inches (18 cm)
Diameter:15 inches (38 cm)

Transmission

Type:gear
Gears:4 forward and 1 reverse
Clutch:dry disc

Dimensions & Tires

Rear tire:9.00x36
Front tire:5.50x16