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Wobbly wheels on trailer?

Discussion in 'Trucks and Trailers' started by Expert Lawns, Mar 24, 2005.

  1. Expert Lawns

    Expert Lawns LawnSite Silver Member
    Posts: 2,660

    I just purchased a used 14 ft open trailer with tandem axles. I was putting air in the tires today and noticed that they all wobble a bit. If I push in on the tops of the tires, they seem to move 1/4 inch or so. Bolts seem to be on nice and tight. Just so you know, one of the tires is 1 size smaller than the rest, but they still all wobble. Whats up?
     
  2. KathysLGC

    KathysLGC LawnSite Bronze Member
    Posts: 1,345

    Check to see if the bearings are loose.
     
  3. grasswhacker

    grasswhacker LawnSite Gold Member
    Posts: 3,873

    Yup bearings.
     
  4. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,503

    Yep bearings, I would take them out and repack them with grease and re - install. If they are pitted or blue in color (over heated) I would replace the bearings and race. When tightening them up you want the wheel to be snug but able to spin the wheel fairly easy, if you get them too tight they will over heat and malfunction.BTW there should be a carter key through the outer nut that you will have to remove to get the axle nut off. If you need more help just ask
     
  5. KathysLGC

    KathysLGC LawnSite Bronze Member
    Posts: 1,345

    I usually tighten the nut down fully then turn the wheel back wards while loosening the nut till it moves freely. It will be packed with grease so don't expect it to just spin like a bicycle wheel.
     
  6. Carolina Cutter

    Carolina Cutter LawnSite Senior Member
    Posts: 987

    Yep...check them for wear and grease.......ahhhhh go ahead and replace them...it wont hurt.
     
  7. dvmcmrhp52

    dvmcmrhp52 LawnSite Platinum Member
    from Pa.
    Posts: 4,205

    The bearings on trailers can be a bit of a pain, the castle nuts never quite seem to have the right position to get the bearings just right..........too tight,too loose.......Castle nuts are cheap, buy a few sets if you need, to get the right tightness. Otherwise redrill the axle (for the cotter pin)for proper tightening.
     
  8. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,503

    I thought maybe I was the only one with that problem ;) ;)
     
  9. Expert Lawns

    Expert Lawns LawnSite Silver Member
    Posts: 2,660

    What kind of grease do I use? And I have never had to work with bearings like this, so what exactly are they and how do they become loose? I'm going to do some research right now, but I'd still like you're input. Thanks for the replies so far
     
  10. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Posts: 3,503

    Get a ''wheel bearing'' approved grease, some one at the auto parts place should be able to point ya in the right direction. They can become loose from lack of grease or just plain wear, metal to metal.It is a fairly simple job, not to hard, just requires some time
     

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