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John Deere 6140R tire size

Factory tire pairs for the John Deere 6140R:

    Rear18.4R42R2Front16.9R28R2
    Rear18.4R42R2
    Outside dia.
    ≈1,861mm
    Width
    467mm
    Rim
    42″
    Front16.9R28R2
    Outside dia.
    ≈1,441mm
    Width
    429mm
    Rim
    28″
    tube-type equivalent: 16.9/14-28

    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: manuals.deere.com

    FAQ

    What is the front tire size of the John Deere 6140R?

    The John Deere 6140R comes from the factory with 16.9R28R2 front tires.

    What is the rear tire size of the John Deere 6140R?

    The John Deere 6140R comes from the factory with 18.4R42R2 rear tires.

    Can I fit a different tire size on the John Deere 6140R?

    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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