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Engine:
Graham-Bradley Standard
Power:
33 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
1938 - 1939
| Overview | |
|---|---|
| Summary | x1938 - 1939 Row-Crop tractor |
| Production | |
|---|---|
| Manufacturer | Graham-Bradley |
| Summary | Row-Crop tractor / Built in Detroit, Michigan, USA |
| Variants | |
|---|---|
| 103 | row-crop |
| 104 | standard tread |
| Mechanical | |
|---|---|
| Summary | Two-wheel drive |
| Steering | manual |
| Summary | Open operator station. |
| Belt Pulley | |
|---|---|
| Diameter | 15 inches 38 cm |
| Width | 7.25 inches 18 cm |
| RPM | 714 * The Graham Bradly has advertised at 714 belt RPM. A final drive disconnect lever allowed the use the gear shift to obtain four different speeds, plus reverse, if desired. |
| Speed | 2800 ft/min 853.44 meters/min |
| Engine Detail | |
|---|---|
| Summary | Graham-Paige / gasoline / 6-cylinder / liquid-cooled |
| Displacement | 218 ci 3.6 L |
| Bore/Stroke | 3.25x4.375 inches 83 x 111 mm |
| Fuel system | Schebler carburetor |
| Air cleaner | oil bath |
| Rated RPM | 1500 |
| Firing order | 1-5-3-6-2-4 |
| Transmission | |
|---|---|
| Type | gear |
| Gears | 4 forward and 1 reverse |
| Clutch | dry disc |
| Graham-Bradley 103 Tires | |
|---|---|
| Ag front | 5.50x16 |
| Ag rear | 9.00x36 |
| Nebraska Tractor Test 296 | |
|---|---|
| Summary | Gasoline 4-speed 2WD April 6 - 14, 1938 Link: Nebraska Tractor Test 296 file |
| Belt power (max) | 30.38 hp 22.7 kW |
| Belt fuel use (max) | 3.1 gal/hour 11.7 l/hour |
| Summary | Drawbar performance |
| Max power | 25.20 hp 18.8 kW |
| Summary | Gear 2 used for power test. |
| Max pull | 3013 lbs 1366 kg |
| Summary | Gear 1 used for pull test. |
Last Database Update: 3/14/2026