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    Farmall B

    Farmall B tractor photo
    1939 - 1947
    Row-Crop tractor

    The Farmall A and B were nearly identical tractors. The A featured an offset engine and wide front end. The B had a centered engine, seat offset to the right, and narrow front end.


    Manufacturer:International Harvester
    Factory:Chicago, Illinois, USA
    Total built:75,241
    Original price (USD):$770


    B:full width
    BN:narrow tread

    Farmall B Engines:

       International Harvester 1.9L 4-cyl gasoline
       International Harvester 1.9L 4-cyl kerosene
    full engine details ...


    Fuel:10 gal [37.9 L]
    Aux. fuel:1 gal [3.8 L]

    Power Take-off (PTO):

    Rear RPM:540

    Dimensions & Tires:

    Weight:2,400 lbs [1088 kg]
    Front tire:6-12
    Rear tire:9-24
    full dimensions and tires ...

    B Serial Numbers:

    Location:Seat support bracket
    photo of B serial number

    1939: 501
    1940: 6744
    1941: 41500
    1942: 80739
    1944: 96390
    1945: 113218
    1946: 146700
    1947: 182964 (Chicago)
    1947: 200001 (Louisville)

    how to read serial numbers...


    Farmall B Power:

    Plows:1 (16 inch)
    Drawbar (tested):16.21 hp [12.1 kW]
    Belt (tested):18.39 hp [13.7 kW]
    power test details ...


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

    Belt Pulley:

    Diameter:8.5 inches [21 cm]
    Width:6 inches [15 cm]
    Speed:2574 ft/min [784.56 meters/min]

    Page information:

    Last update:September 25, 2014
    Copyright:Copyright 2014 TractorData LLC
    ©2000-2014 - 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.