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  1. #1

    Join Date
    Jan 2004

    Default Tire Sizes Ag v. Turf

    I have a JD 855 that came with 6x12 Ag on the front but with an extra set of 25x8.50-14 Turfs. I recently blew a front tire and put the Turfs on the front. I now have the following questions:

    1. I assume the "6" and the "8.50" are rim widths right?
    2. What's the "25" part? (% of tread on the ground, i.e. profile?)
    3. My tractor can take a 7x12 tire, but I think I would then need a 7x12 rim, correct?
    4. I really like having the size of Turfs on the front, but are the diameters matched front and rear for FWD?

    Any answers, ideas welcome.

  2. #2
    Super Member ronjhall's Avatar
    Join Date
    Apr 2000
    SE Michigan, AZ when its cold in MI.
    Kubota 2910 HST

    Default Re: Tire Sizes Ag v. Turf

    According to manufactures sites the 6X12 Ags are 22.8" diameter. 25X8.50-14 Turfs are 24.4" diameter.
    Firestone has the most information on Ag tire sizing. Check them out HERE.

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