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  1. #1

    Default Hey! My R4s are only 4 ply!

    Hi all,

    Well, I chose R4s for the puncture resistance...but would have ordered them anyway as a good compromise tire. But...I see the Goodyear 12.4-16 R4s that came on my kubota B2910 are only 4 ply rating. For some reason after reading posts here on TBN I thought they would be 6 ply.

    Worst of all is that I got a flat this afternoon. Front right tire...crack/cut 3/8 inches long in the center of the tread. Some glass in the top soil I am trying to scrape off and store for later use, in an area below my pond where I wil deposit some dirt removed from the high side of the pond. Have to take the tire somewhere and get it fixed tomorrow.

    Guess I better just get the fronts foam filled...can't live with a flat within three hours of starting work in that area. Would be worse in winter!

    Sort of disappointed that the R4s are only 4 ply rated. Really expected 6PR. What do you guys have on yours...did something change on the R4s? Are 6 ply R4s something special? Were 4 ply R4s always the norm?

    Thanks for any input.

    Bill


  2. #2

    Join Date
    Jul 2002
    Posts
    769
    Location
    MD
    Tractor
    New Holland TC33D

    Default Re: Hey! My R4s are only 4 ply!

    I can't speak for kubota, but over in the New Holland area I was pointed to R4's over Turfs with 6ply vs. 4ply as one of the main reasons. I took a look and my R4's are 6ply. I don't know which is the standard, if there is even one at all.

  3. #3

    Default Re: Hey! My R4s are only 4 ply!

    6 ply over 4 ply was a major motivation for me too.

    I did not check the front ply rating, but the backs are 4 ply and that sort of bums me out as I have filled the tires with ballast and REALLY don't want a puncture there!

    I think I will run out and take a look at the front right now!

    Bill

  4. #4

    Default Re: Hey! My R4s are only 4 ply!

    Well, the fronts are R4 4 ply rated too. The fronts are made in the USA while the rear Goodyear's are made in Indonesia, for what that is worth...

    Bill

  5. #5

    Join Date
    Aug 2002
    Posts
    60
    Location
    Round Rock, TX
    Tractor
    JD 4310

    Default Re: Hey! My R4s are only 4 ply!

    Well, you got my curiosity up (call me George [img]/w3tcompact/icons/tongue.gif[/img]). I've only had my tractor a couple of weeks. The brand of tire on my <font color=green>4310</font color=green> is Titan Trac Loader. They even have "Made in the USA" with waving American flags on either side molded into the tire. Can't beat it! Anyway, the front tires are 6-ply and the rears, are you sitting down?, are 12-ply!

  6. #6

    Join Date
    Apr 2002
    Posts
    60
    Location
    Loudon, Tennessee
    Tractor
    Kioti DK45 and John Deere 455 Lawn Mower

    Default Re: Hey! My R4s are only 4 ply!

    My "Value Line" Kioti DK45 has Titan R4's Rear are 8PR and Fronts are 6PR. Ted

  7. #7

    Default Re: Hey! My R4s are only 4 ply!

    Well, I guess I am a little bummed out at the moment...

    Seems that 4ply R4s would not offer much in the way of puncture resistance over even a turf tire. Mabye a little better because of the thicker lugs, but...

    Anyway, I guess I will see what happens, since I already loaded my rear tires with WW fluid. Foam filliing of the 12.4 x 16 rears on this B2910 would cost $247 each.

    THe pricing for the kubota B2910 lists R4 tires as costing only a little more than turfs. Very little more. Guess you get what you pay for.

    I guess I can't complain... I did not specify the number of plies for the r4 tires. Shame on me.

    Hopefully my experience will help better educate someone who is about to purchase a new tractor...

    Anyone out there with a B2710 or B2910 also have the 4ply R4s?

    I decdided to get my fronts foam filled on Monday. Forgot to ask the price when I got my tire repaired this morning. Anyway, it's a no brainer...gotta do it...

    Bill


  8. #8
    Platinum Member gotrocks's Avatar
    Join Date
    Aug 2001
    Posts
    769
    Location
    Phenix City Alabama
    Tractor
    B-2910 delivered 8/23/01

    Default Re: Hey! My R4s are only 4 ply!

    <font color=red>Anyone out there with a B2710 or B2910 also have the 4ply R4s? <font color=red>
    <font color=black>
    This is my 2910 b-day (49 hrs) and I just went out (102 heat index)and checked;
    Front Titan (made in USA) 4 ply
    Rear Goodyear 4 ply

    I have had the impression that increase number of ply was to carry more load.

    While we are on the subject... does the "SLIME" or other sealants work with tires filled with balast? My guess is NO. What's your feeling?
    <font color=black>

  9. #9
    Super Member
    Rest in Peace
    frank_f15's Avatar
    Join Date
    Mar 2001
    Posts
    6,033
    Location
    BUFFALO ,NEW YORK AREA
    Tractor
    kubota b2400- R4 tires

    Default Re: Hey! My R4s are only 4 ply!

    have a b2400 with titan tires, r4"s front are rated 4 ply and back 6 ply. seems like they should all be the same! guess it just another case of fool the consumer!

  10. #10

    Join Date
    Jul 2002
    Posts
    769
    Location
    MD
    Tractor
    New Holland TC33D

    Default Re: Hey! My R4s are only 4 ply!

    Here is the titan website, <A target="_blank" HREF=http://www.titanstore.com/>Titan</A>, that should be useful. The number of plys is a measure of load capability of the tire, puncture resistence may be just a side effect.

    For example:

    23x8.5-12 4ply has a max load weight of 1470 lbs.
    23x8.5-12 6ply has a max load weight of 1810 lbs.

    So, the number of plys that is spec'd for your tractor is based on the weight/capacity of your tractor. Just taking a WAG, but I believe the combined max tire load for your tractor is about 10,000 lbs. That should be plenty. [img]/w3tcompact/icons/wink.gif[/img]

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