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    Allis Chalmers D21

    Allis Chalmers D21 tractor photo
    1963 - 1969   D Series
    Row-Crop tractor
    Next model:Allis Chalmers 220

    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
    Original price (USD):$12,290

    Allis Chalmers D21 Engine:

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


    Fuel:52 gal [196.8 L]

    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):103.06 hp [76.9 kW]
    Drawbar (tested):116.41 hp [86.8 kW]
    PTO (tested):127.75 hp [95.3 kW]
    power test details ...


    Chassis:4x2 2WD
    Steering:hydrostatic power
    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:September 10, 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.