Graham-Bradley
Graham-Bradley 103
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.
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 |