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     Field Guide to John Deere Tractors
    Field Guide to John Deere Tractors

    John Deere 7820

    John Deere 7820 tractor photo
    2004 - 2007   7020 Series
    Row-Crop tractor
    Previous model:John Deere 7810
    Next model:John Deere 7830
    Larger:John Deere 7920
    Smaller:John Deere 7720




     

    Production:

    Manufacturer:John Deere
    Factory:Waterloo, Iowa, USA
     

    John Deere 7820 Engine:

       John Deere 8.1L 6-cyl diesel
    full engine details ...
     

    Capacity:

    Fuel:103.5 gal [391.7 L]
     94.7 gal [358.4 L] (with right step)
    Hydraulic system:28.5 gal [107.9 L]
    Front axle:15.2 qts [14.4 L]
    Front hubs:2 qts [1.9 L]
    HD Front hubs:4 qts [3.8 L]
     

    3-Point Hitch:

    Rear Type:3/3N
    Rear lift:10,050 lbs [4558 kg]
     14,000 lbs [6350 kg] (optional)
     

    Power Take-off (PTO):

    Rear PTO:independent
    Clutch:hydraulic wet discs
    Rear RPMs:540/1000 (1.375)
     1000 (1.75)
    Engine RPMs:540@1950
    1000@1950
    540E@1750
    1000E@1750
     

    Dimensions & Tires:

    Wheelbase:112.6 inches [286 cm]
    Weight:16002 to 17603 pounds
    Front tire:11.00-16
    Rear tire:18.4R42 (2WD)
    full dimensions and tires ...
     

    7820 Serial Numbers:

    Location:On tractor frame, front right-hand side.

    - Serial numbers unknown -
     
     

    John Deere 7820 Power:

    PTO (claimed):155 hp [115.6 kW]
    Drawbar (tested):143.52 hp [107.0 kW]
    PTO (tested):174.31 hp [130.0 kW]
    power test details ...
     

    Mechanical:

    Chassis:4x2 2WD
     4x4 MFWD 4WD (optional)
    Steering:hydrostatic power
    Brakes:hydraulic wet disc
    Cab:Cab standard.
     

    Hydraulics:

    Type:closed-center pressure-flow compensated (PFC)
    Capacity:28.5 gal [107.9 L]
    Pressure:3046 psi [210.0 bar]
    Valves:7
    Pump flow:32.2 gpm [121.9 lpm]
    SCV flow:30 gpm [113.6 lpm]
     

    Electrical:

    Ground:negative
    Charging system:alternator
    Charging amps:150
     

    Battery:

    Number:2
    Cold-cranking amps:925
    Volts:12
     

    Page information:

    Last update:January 26, 2013
    Copyright:Copyright 2013 TractorData LLC
    Contact:Peter@TractorData.com
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