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    John Deere 4840

    John Deere 4840 tractor photo
    1978 - 1982   Iron Horses Series
    Row-Crop tractor
    Next model:John Deere 4850
    Smaller:John Deere 4640



    Manufacturer:John Deere
    Factory:Waterloo, Iowa, USA
    Original price (USD):$60,000 (1982)

    John Deere 4840 Engine:

       John Deere 7.6L 6-cyl diesel
    full engine details ...


    Fuel:103 gal [389.9 L]
    Hydraulic system:16.5 gal [62.5 L]

    3-Point Hitch:

    Rear Type:III,IIIN
    Rear lift:8,295 lbs [3762 kg]

    Power Take-off (PTO):

    Rear PTO:independent
    Rear RPM:1000 (1.75)

    Dimensions & Tires:

    Wheelbase:118.5 inches [300 cm]
    Weight:14900 to 20370 pounds
    Front tire:11.00-16
    Rear tire:18.4-38
    full dimensions and tires ...

    4840 Serial Numbers:

    Location:Rear of tractor.
    1978: 1000
    1979: 4233
    1980: 7539
    1981: 11042
    1982: 14933

    how to read serial numbers...


    John Deere 4840 Power:

    Drawbar (claimed):157 hp [117.1 kW]
    PTO (claimed):180 hp [134.2 kW]
    Drawbar (tested):151.21 hp [112.8 kW]
    PTO (tested):180.63 hp [134.7 kW]
    power test details ...


    Chassis:4x2 2WD
    Differential lock:pedal-actuated hydraulic
    Steering:hydrostatic power
    Brakes:differential hydraulic wet disc
    Cab:Sound-Gard cab.


    Capacity:16.5 gal [62.5 L]
    Valves:2 or 3
    Pump flow:23 gpm [87.1 lpm]





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    Last update:December 2, 2012
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