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    John Deere 4020

    John Deere 4020 tractor photo
    1963 - 1972   New Generation Series
    Row-Crop tractor
    Previous model:John Deere 4010
    Next model:John Deere 4230
    Larger:John Deere 4320
    Smaller:John Deere 4000




     

    Production:

    Manufacturer:John Deere
    Factory:Waterloo, Iowa, USA
     Mexico
    Total built:184,879 total
     8,123 gas
     8,445 LP
     168,311 diesel
     787 high crop
     17,732 standard
    Original price (USD)
       $10,345 (1972 )
     

    Variants:

    600:industrial
     

    John Deere 4020 Engines:

       John Deere 6.6L 6-cyl diesel
       John Deere 5.6L 6-cyl gasoline
       John Deere 5.9L 6-cyl gasoline
       John Deere 5.9L 6-cyl LP gas
    full engine details ...
     

    Capacity:

    Gasoline Fuel:34 gal [128.7 L]
    LP-gas Fuel:34 gal [128.7 L]
    Diesel Fuel:45 gal [170.3 L]
    Syncro-Range Hydraulic system:10 gal [37.9 L]
    Power Shift Hydraulic system:12 gal [45.4 L]
     

    3-Point Hitch:

    Rear Type:2
    Rear lift:3,790 lbs [1719 kg]
     

    Power Take-off (PTO):

    Rear PTO:independent
    Rear RPM:540/1000
     1000
    Engine RPM:540@1900
    1000@1900
    Front PTO:independent
    Front RPM:1000
    Engine RPM:1000@1900
     

    Dimensions & Tires:

    Row crop Wheelbase:97.5 inches [247 cm]
    Standard Wheelbase:100.25 inches [254 cm]
    Weight:8225 to 13980 pounds
    Front tire:6.00-16
    Rear tire:15.5-38
    full dimensions and tires ...
     

    John Deere 4020 attachments:

     front-end loader
    all 4020 attachments ...
     

    4020 Serial Numbers:

    Location:Rear of transmission case
    photo of 4020 serial number

    1964: 65000
    1965: 91000
    1966: 119000
    1967: 145660
    1968: 173982
    1969: 201000
    1970: 222160
    1971: 250000
    1972: 260791
    Final: 270288

    how to read serial numbers...

     

    Links:

    Forty-twenty.com: Site dedicated to the John Deere 4020
     

    John Deere 4020 Power:

    Drawbar (tested):83.79 hp [62.5 kW]
    PTO (tested):95.83 hp [71.5 kW]
    power test details ...
     

    Mechanical:

    Chassis:4x2 2WD
     4x4 MFWD 4WD (optional after 1969)
    Differential lock:rear optional
    Steering:hydraulic power
    Brakes:hydraulic wet disc
    Cab:Open operator station. Cab optional.
     

    Hydraulics:

    Type:closed center
    Syncro-Range Capacity:10 gal [37.9 L]
    Power Shift Capacity:12 gal [45.4 L]
    Pressure:2250 psi [155.1 bar]
    Valves:1
    SCV flow:6 gpm [22.7 lpm]
    Total flow:18 gpm [68.1 lpm] (early)
     

    Electrical:

    Ground:positive (1964-1969)
     negative (1969-1972)
     floating (24V)
    Charging system:Motorola alternator
    Charging amps:55
     

    Battery:

    24V Number:4
    12V Number:2
    Volts:6
    Amp-hours:75
     

    Page information:

    Last update:August 15, 2014
    Copyright:Copyright 2014 TractorData LLC
    Contact:Peter@TractorData.com
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