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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 19, 2016
    Copyright:Copyright 2016 TractorData LLC
    ©2000-2016 - TractorData™. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.