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    Farmall F-20

    Farmall F-20 tractor photo
    1932 - 1939
    Row-Crop tractor
    Previous model:International Harvester Farmall
    Next model:Farmall H
    Series next:Farmall F-30
    Series back:Farmall F-12

    The Farmall F-20 was originally advertised as the "Increased-Power Farmall", and was similar to the orginal Farmall. The tractor paint scheme changed from gray to red on November 1, 1936 (the beginning of the 1937 production year).


    Manufacturer:International Harvester
    Factory:Chicago, Illinois, USA
     Rock Island, Illinois, USA
    Total built:154,398
    Original price (USD)
       $1000 (1936 )

    Farmall F-20 Engine:

       International Harvester 3.6L 4-cyl distillate
    full engine details ...


    Fuel:13 gal [49.2 L]
    Aux. fuel:0.875 gal [3.3 L]

    Power Take-off (PTO):

    Rear PTO:transmission
    Rear RPM:540 (1.125)
    Engine RPM:505@1200

    Dimensions & Tires:

    Wheelbase:85 inches [215 cm]
    Weight:4400 lbs [1995 kg]
    Front tire:25x4
    Rear tire:40x6
    full dimensions and tires ...

    F-20 Serial Numbers:

    photo of F-20 serial number

    1932: 501
    1933: 1251
    1934: 3001
    1935: 6382
    1936: 32716
    1937: 68749
    1938: 105597
    1939: 130685
    1940: 135700

    how to read serial numbers...


    Farmall F-20 Power:

    Drawbar (claimed):19.6 hp [14.6 kW]
    PTO (claimed):26.67 hp [19.9 kW]
    Drawbar (tested):20.66 hp [15.4 kW]
    Belt (tested):28.0 hp [20.9 kW]
    power test details ...


    Chassis:4x2 2WD
    Brakes:mechanical band
    Cab:Open operator station.

    Belt Pulley:

    Diameter:14 inches [35 cm]
    Width:6.5 inches [16 cm]
    Speed:2395 ft/min [730.00 meters/min]

    Page information:

    Last update:November 13, 2015
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