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John Deere GP

John Deere GP tractor photo
1928 - 1935   Two-Cylinder Letter Series
Row-Crop tractor
Previous model:John Deere C

The GP was originally designated the Model C, the name was changed due to a similarity to the existing D, plus the "General Purpose" name was a marketing ploy to keep in line with International's new "Farmall". The GP was designed as a row crop tractor, with the fixed front axle straddling three rows. Several versions of the GP were made. The "wide tread" GPWT has a 76-inch rear axle and a tricycle front. The GP-P was a modified GPWT with a 68-inch rear axle, for use in potato fields. The GPO was lowered and had fenders for orchard work. Twenty-four GPO tractors were converted into crawlers by Lindeman.


Manufacturer:John Deere
Factory:Waterloo, Iowa, USA
Total built:30,535 (GP)
 5,103 (GPWT)
 717 (GPO)
Original price (USD):$1,200 (1935)



John Deere GP Engines:

   John Deere 5.1L 2-cyl kerosene
   John Deere 5.6L 2-cyl kerosene
full engine details ...


Fuel:16 gal [60.6 L]
Aux. fuel:2 gal [7.6 L]

Dimensions & Tires:

Weight:3,600 lbs [1632 kg]
Front tire:24x6
Rear tire:42.75x10
full dimensions and tires ...

GP Serial Numbers:

Location:Below gear shift lever
photo of GP serial number

1928: 200211
1929: 201336
1930: 212038
1931: 223803
1932: 228666
1933: 229051
1934: 229216
1935: 230514
Final: 230745
1931: 15000 (GP-O)
1932: 15226 (GP-O)
1933: 15387 (GP-O)
1934: 15412 (GP-O)
1935: 15589 (GP-O)
Final: 15732 (GP-O)
1930: 5000-5202 (GP-P)

how to read serial numbers...


John Deere GP Power:

Drawbar (claimed):10 hp [7.5 kW]
Belt (claimed):20 hp [14.9 kW]
Plows:2 (14-inch)
Drawbar (tested):18.86 hp [14.1 kW]
Belt (tested):25.36 hp [18.9 kW]
power test details ...


Chassis:4x2 2WD
Cab:Open operator station.

Page information:

Last update:June 13, 2017
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