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    Allis Chalmers D21 Series I

    Allis Chalmers D21 Series I tractor photo
    1963 - 1969   D Series
    Model years
    Row-Crop tractor

    The D21 was the first Allis Chalmers tractor to have over 100 horsepower. The upgraded D21 II began at serial number 2201 in 1965.


    Manufacturer:Allis Chalmers
    Factory:West Allis, Wisconsin, USA
    Total built:1,129
    Original price (USD)
       $5,700 (1964 )

    Allis Chalmers D21 Engine:

       Allis Chalmers 7.0L 6-cyl diesel
    full engine details ...


    Fuel:52 gal [196.8 L]

    3-Point Hitch:

    Rear Type:III/II

    Power Take-off (PTO):

    Rear PTO:independent
    Rear RPM:1000

    Dimensions & Tires:

    Wheelbase:96.1 inches [244 cm]
    Weight:9500 to 11700 pounds
    Front tire:7.50x20
    Rear tire:18.4x34
    full dimensions and tires ...

    D21 Serial Numbers:

    Location:Torque housing
    1963: 100
    1964: 1417
    1965: 2079
    1966: 2408
    1967: 2863
    1968: 3777
    1969: 4498

    how to read serial numbers...


    Allis Chalmers D21 Power:

    Drawbar (claimed):93 hp [69.4 kW]
    PTO (claimed):103 hp [76.8 kW]
    Drawbar (tested):93.09 hp [69.4 kW]
    PTO (tested):103.06 hp [76.9 kW]
    power test details ...


    Chassis:4x2 2WD
    Brakes:band actuated disc
    Cab:Open operator station.
    Steering flow:5.25 gpm [19.9 lpm]
    Steering press.:1300 psi [89.6 bar]


    Charging system:Delco-Remy generator
    Charging amps:32



    Page information:

    Last update:December 17, 2015
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