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  1. #1
    New Member
    Join Date
    Nov 2012
    Posts
    4
    Location
    Greenville, TX
    Tractor
    Kubota B3300SU

    Default Broke stem off front tire

    I'm new to tractoring and today somehow broke the stem of the inner tube on the front wheel of my less than 1 year old with about 50 hours on it, Kabota B3300SU. I was using the box scraper to level out a large hump of east texas black clay. The hump is about 30' wide. I would lower the scraper to ground level (tines dropped a single notch below the bottom of the scraper) and make a pass and then dump what got collected at the end of the pass by raising the scraper. In doing so I was making 1 - 2' tall mounds that I would drive the tractor over after each pass.

    Am I doing something wrong in my approach of driving over the mounds that would have caused the stem to get broken off? I did not notice low tire pressure in the tire before starting.

  2. #2
    Silver Member
    Join Date
    May 2007
    Posts
    176
    Location
    Castroville, Tx

    Default Re: Broke stem off front tire

    Driving over the dirt wouldn't break off the stem. Are you sure it is a tube type tire most of the new tractors come with tubeless tires. If a stick or rock hits the stem it can break it, I had to drive my tractor from the back to the front 1/2 mile total with a flat the steam on the tube pulled out of the hole and the bead broke loose all i had to do was pull the tube out patch it pull the thorne out and putit back together didn't even pull the wheel off.

  3. #3
    Veteran Member
    Join Date
    Nov 2003
    Posts
    1,295
    Location
    Tombstone Az
    Tractor
    KIOTI LK30

    Default Re: Broke stem off front tire

    it's just one of those things. I can go years and not do it and then three in one week. I bet you don't break another one for a long time.

    If they will fit try the meal truck type as replacement.

  4. #4
    New Member
    Join Date
    Nov 2012
    Posts
    4
    Location
    Greenville, TX
    Tractor
    Kubota B3300SU

    Default Re: Broke stem off front tire

    Yeah, I'm sure it's got a inner tube as it came flopping out. That's how I noticed I was flat. Thanks for the info.

  5. #5
    New Member
    Join Date
    Nov 2012
    Posts
    4
    Location
    Greenville, TX
    Tractor
    Kubota B3300SU

    Default Re: Broke stem off front tire

    Interesting, thanks for the info. Funny that it broke when I was scraping clear land. I had it back in the woods the weekend before, pushing fallen trees and clearing brush. Would have made a lot more sense that something broke it then.

  6. #6
    Platinum Member woodchuckie's Avatar
    Join Date
    Jan 2005
    Posts
    627
    Location
    Moundville,AL
    Tractor
    KUBOTA L 2800

    Default Re: Broke stem off front tire

    Mine came out so often that i welded a short piece of iron pipe to the rim to protect it. On the threads I put a cap. They won't get hit again.

  7. #7
    Gold Member
    Join Date
    Oct 2010
    Posts
    424
    Tractor
    08 Cub Ex3200

    Default Re: Broke stem off front tire

    I was going to say the same thing, look at larger equipment most have some sort of protection for the valve stem.

  8. #8
    New Member
    Join Date
    Nov 2012
    Posts
    4
    Location
    Greenville, TX
    Tractor
    Kubota B3300SU

    Default Re: Broke stem off front tire

    Quote Originally Posted by woodchuckie View Post
    Mine came out so often that i welded a short piece of iron pipe to the rim to protect it. On the threads I put a cap. They won't get hit again.
    Great idea. Thanks.

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