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    John Deere AR - engine

    John Deere AR tractor photo
    1937 - 1953
    Model years
    Orchard/Vineyard tractor
    more John Deere AR specifications...




     

    Engine Detail:

    Original engine, used until 1940 at serial number 259334.
     John Deere
     all fuel
     2-cylinder
     liquid-cooled horizontal twin
     309 ci [5.1 L]
    Bore/Stroke:5.50x6.50 inches [140 x 165 mm]
    Cooling system:thermo-siphon
    Air cleaner:oil bath
    Compression:3.96:1
    Rated RPM:975
    Firing order:1-2
    Oil capacity:9.25 qts [8.8 L]
    Coolant capacity:32 qts [30.3 L]
    Sparkplug gap:0.030 inches [0.762 mm]
     

    Engine Detail:

    Larger engine, introduced in 1940 (serial number 260000)
     John Deere
     all fuel
     2-cylinder
     liquid-cooled
     321 ci [5.3 L]
    Bore/Stroke:5.50x6.75 inches [140 x 171 mm]
    Air cleaner:oil bath
    Compression:4.45:1
    Rated RPM:975
    Firing order:1-2
    Oil capacity:11 qts [10.4 L]
     

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    Last update:June 23, 2016
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