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Case IH

Case IH 640 tire size

Factory tire pairs for the Case IH 640:

    Rear12.4-36ASFront7.50-16AS
    Rear12.4-36AS
    Outside dia.
    ≈1,450mm
    Width
    315mm
    Rim
    36″
    radial equivalent: 320/85R36 (12.4R36)
    Front7.50-16AS
    Outside dia.
    ≈787mm
    Width
    191mm
    Rim
    16″

    The tires on the tractor may not be original. A different size from the factory one can damage the transmission, especially on 4WD.

    Take it to your tire shop: tractor-size.com

    4WD ratio check and other tools →

    Source: de.wikibooks.org

    FAQ

    What is the front tire size of the Case IH 640?

    The Case IH 640 comes from the factory with 7.50-16AS front tires.

    What is the rear tire size of the Case IH 640?

    The Case IH 640 comes from the factory with 12.4-36AS rear tires.

    Can I fit a different tire size on the Case IH 640?

    Equivalent sizes with a very close outside diameter can be fitted (e.g. the radial equivalent). On 4WD, a changed front/rear ratio can damage the driveline, so check it with the 4WD ratio tool first.

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