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    International Harvester 3688

    International Harvester 3688 tractor photo
    1981 - 1985   30 Series
    Row-Crop tractor
    Previous model:International Harvester 986
    Smaller:International Harvester 3488




     

    Production:

    Manufacturer:International Harvester
    Factory:Rock Island, Illinois, USA
    Total built:2,572
    Original price (USD):$45,000 (1981)
     

    Variants:

    3688 Hi-Clear:high-clearance model
     

    International Harvester 3688 Engine:

       International Harvester 7.1L 6-cyl diesel
    full engine details ...
     

    Capacity:

    Fuel:50 gal [189.3 L]
    Hydraulic system:22.5 gal [85.2 L]
     

    3-Point Hitch:

    Rear Type:III
     

    Power Take-off (PTO):

    Rear PTO:independent
    Rear RPM:540/1000
     

    Dimensions & Tires:

    Wheelbase:104.8 inches [266 cm]
    Weight:10990 to 13200 pounds
    Front tire:11L-15
    Rear tire:18.4-34
    full dimensions and tires ...
     

    3688 Serial Numbers:

    Location:Right side of frame ahead of rear axle
    1981: 501
    1982: 1743
    1983: 2482
    1984: 2695
    1985: 3068

    how to read serial numbers...

     

    International Harvester 3688 Power:

    Drawbar (claimed):99 hp [73.8 kW]
    PTO (claimed):110 hp [82.0 kW]
    Drawbar (tested):99.21 hp [74.0 kW]
    PTO (tested):113.72 hp [84.8 kW]
    power test details ...
     

    Mechanical:

    Chassis:4x2 2WD
     4x4 MFWD 4WD optional
    Steering:hydrostatic power
    Brakes:power disc
    Cab:Cab standard with heat and A/C. Optional burgundy or western finish interiors.
     

    Hydraulics:

    Type:closed center
    Capacity:22.5 gal [85.2 L]
    Valves:2 to 4
    Pump flow:18 gpm [68.1 lpm]
    Total flow:30 gpm [113.6 lpm]
     

    Page information:

    Last update:December 20, 2013
    Copyright:Copyright 2014 TractorData LLC
    Contact:Peter@TractorData.com
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