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Case IH

Case IH C55 tire size

Factory tire pairs for the Case IH C55:

    Rear14.9R30Front7.50-18
    Rear14.9R30
    Outside dia.
    1,404mm
    Width
    380mm
    Rim
    30″
    tube-type equivalent: 14.9/13-30
    Front7.50-18
    Outside dia.
    ≈838mm
    Width
    191mm
    Rim
    18″

    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: tractordata.com

    FAQ

    What is the front tire size of the Case IH C55?

    The Case IH C55 comes from the factory with 7.50-18 front tires.

    What is the rear tire size of the Case IH C55?

    The Case IH C55 comes from the factory with 14.9R30 rear tires.

    Can I fit a different tire size on the Case IH C55?

    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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