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     The Big Book of Farmall Tractors
    The Big Book of Farmall Tractors

    International Harvester 686 - engine

    International Harvester 686 tractor photo  I&T Manual: IH 544, 656, 666, 686, 684, 784, 884, 1466, 1468, 1486, 1568, 1586, Hydro 70, 84, 86, 100, 186
    I&T Shop Manual
    Production years:1976 - 1980
    Previous model:International Harvester 666
    Tractor type:Farm/Agricultural tractor
    more International Harvester 686 specifications...




     

    Engine:

    Manufacturer:International Harvester
    Model:D310
    Fuel:diesel
    Aspiration:natural
    Cylinders:6
    Valves:-unknown-
    Bore/Stroke:3.875x4.375 inches [98 x 111 mm]
    Displacement:310 ci [5.1 L]
    Cooling:liquid
    Compression:-unknown-
    Rated RPMs:2000
    Starter volts:12
    Comments:German (Nuess) built diesel that replaced the 312 diesel in 1979.
     

    Engine:

    Manufacturer:International Harvester
    Model:D-312
    Fuel:diesel
    Aspiration:natural
    Cylinders:6
    Valves:-unknown-
    Bore/Stroke:3.875x4.410 inches [98 x 112 mm]
    Displacement:312 ci [5.1 L]
    Cooling:liquid
    Coolant:21 qts [19.9 L]
    Air cleaner:dry
    Compression:-unknown-
    Rated RPMs:2000
    Starter type:-unknown-
    Oil capacity:12 qts [11.4 L]
     

    Engine:

    Manufacturer:International Harvester
    Model:C291
    Fuel:gasoline
    Aspiration:natural
    Cylinders:6
    Valves:-unknown-
    Bore/Stroke:3.75x4.39 inches [95 x 112 mm]
    Displacement:291 ci [4.8 L]
    Cooling:liquid
    Compression:-unknown-
    Rated RPMs:2000
    Starter type:-unknown-
     

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    Last update:November 23, 2009
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