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    International Harvester 3688 - transmission

    International Harvester 3688 tractor photo
    Production years:1981 - 1985
    Previous model:International Harvester 986
    Tractor type:Farm/Agricultural tractor
    Smaller:International Harvester 3288
    more International Harvester 3688 specifications...




     

    Transmission:

    Transmission:partial powershift
    Forward:16
    Reverse:8
    Oil capacity:90 qts [85.2 L]
    Comments:Left lever selects gear, right lever selects high, low, or reverse range. Tractor may be shifted on the move without the clutch between gear pairs (1-2, 3-4, etc). Synchronized shifting, using the clutch, between gear pairs (2 to 3, 4 to 5, etc). The transmission is four-gear with the powershift provided by an eletric solenoid actuated Torque Amplifier.
    Speeds:With 18.4-34R1 rear tires.

    Gear2100 rpm2400 rpm
    1L1.3mph [2.1kph]1.5mph [2.4kph]
    2L1.6mph [2.6kph]1.8mph [2.9kph]
    3L1.8mph [2.9kph]2.0mph [3.2kph]
    4L2.1mph [3.4kph]2.4mph [3.9kph]
    5L3.1mph [5.0kph]3.5mph [5.6kph]
    6L3.6mph [5.8kph]4.1mph [6.6kph]
    7L4.1mph [6.6kph]4.7mph [7.6kph]
    8L4.8mph [7.7kph]5.5mph [8.8kph]
    1H4.6mph [7.4kph]5.3mph [8.5kph]
    2H5.4mph [8.7kph]6.2mph [10.0kph]
    3H6.1mph [9.8kph]7.0mph [11.3kph]
    4H7.2mph [11.6kph]8.3mph [13.4kph]
    5H10.7mph [17.2kph]12.2mph [19.6kph]
    6H12.5mph [20.1kph]14.3mph [23.0kph]
    7H14.2mph [22.8kph]16.3mph [26.2kph]
    8H16.7mph [26.9kph]19.1mph [30.7kph]
    R12.3mph [3.7kph]2.6mph [4.2kph]
    R22.7mph [4.3kph]3.1mph [5.0kph]
    R33.0mph [4.8kph]3.5mph [5.6kph]
    R43.6mph [5.8kph]4.1mph [6.6kph]
    R55.2mph [8.4kph]6.0mph [9.7kph]
    R66.2mph [10.0kph]7.0mph [11.3kph]
    R77.0mph [11.3kph]8.0mph [12.9kph]
    R88.2mph [13.2kph]9.4mph [15.1kph]

     

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    Last update:November 23, 2009
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