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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:0.88 gal [3.3 L]

    Power Take-off (PTO):

    Rear RPM:540

    Dimensions & Tires:

    Weight:4,400 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
    Cab:Open operator station.

    Page information:

    Last update:October 2, 2014
    Copyright:Copyright 2015 TractorData LLC
    ©2000-2015 - 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.