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Years in Production / 1938–1939
Graham-Bradley
103
Explore the specifications, hardware, and original references for the Graham-Bradley 103.
No photo
33hp
Engine estimate · from belt
2WD Only
Drive
1938–1939
Production years
Graham-Bradley
Manufacturer
103 / 01
At a glance
Production
Row-Crop tractor
Built in Detroit, Michigan, USA
- Manufacturer
- Graham-Bradley
Mechanical
Two-wheel drive
Open operator station.
- Steering
- manual
Belt Pulley
- Diameter
- 15 inches38 cm
- Width
- 7.25 inches18 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/min853.44 meters/min
103 / 02
Under the hood
Engine Detail
Graham-Paige
gasoline
6-cylinder
liquid-cooled
- Displacement
- 218 ci3.6 L
- Bore Stroke
- 3.25x4.375 inches83 x 111 mm
- Fuel System
- Schebler carburetor
- Air Cleaner
- oil bath
- Rated Rpm
- 1500
- Firing Order
- 1-5-3-6-2-4
- Fuel Type
- gasoline
- Cylinders
- 6
- Cooling
- liquid-cooled
103 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 1 reverse
- Clutch
- dry disc
103 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Front Tire
- 5.50x16
- Rear Tire
- 9.00x36
Tires And Tracks
- Front Ag
- 5.50x16
- Rear Ag
- 9.00x36
103 / 05
Tests (NTTL)
Nebraska Tractor Test 296
Gasoline 4-speed 2WDApril 6 - 14, 1938
Drawbar performance
Gear 2 used for power test.
Gear 1 used for pull test.
- Id
- 296
- Belt Power Max
- 30.38 hp22.7 kW
- Belt Fuel Use Max
- 3.1 gal/hour11.7 l/hour
- Max Power
- 25.20 hp18.8 kW
- Max Pull
- 3013 lbs1366 kg