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10bolt front backing plates

Discussion in 'The Garage' started by 77fixer, Oct 22, 2002.

  1. 77fixer

    77fixer 1/2 ton status

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    I was at the JY today and found an axle without hubs and I'm trying to figure out if it is 3/4 or 1/2 ton. Does anyone know the dimensions or any other way to tell them apart?
     
  2. heavy4x4

    heavy4x4 1/2 ton status

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    By hubs, do you mean locking hubs?
    Because, if it's missing everything from the ball-joints out, it's the same piece of metal (3/4 ton or 1/2 ton).
    If it's just missing the locking hubs, count the number of lugs on the wheel mounting surface. 8 lugs = 3/4 ton. 6 lugs = 1/2 ton.
     
  3. 77fixer

    77fixer 1/2 ton status

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    Everything was gone down to the spindle. I've been told the backing plates are different diameter due to larger rotors on the 3/4 ton.

    Brett /forums/images/graemlins/burb.gif
     
  4. heavy4x4

    heavy4x4 1/2 ton status

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    Oooh, good thought. I guess I'm not sure then. Anyone else know?
     
  5. 87sm465np208

    87sm465np208 1/2 ton status

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    id get a half ton 10 bolt front spindle and compare sizes. good luck with that. /forums/images/graemlins/thumb.gif.

    /forums/images/graemlins/usaflag.gif /forums/images/graemlins/truck.gif
     
  6. HarryH3

    HarryH3 1 ton status Author

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    I've got a 3/4-ton 10-bolt in the garage. I just measured the backing plates for ya. /forums/images/graemlins/cool.gif If you measure from the edge of the bulges of the caliper mount, it's 13.5 inches to the outer edges.
     
  7. 77fixer

    77fixer 1/2 ton status

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    Thanks, hopefully that will get me what I need. I'm taking my tape measure with me tomorrow when I pick up the air tank for OBA and check out some BBC heads.

    Brett /forums/images/graemlins/burb.gif
     
  8. HarryH3

    HarryH3 1 ton status Author

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    When you look at one of the backing plates from the side, you'll see that it's sorta oblong where the caliper mounts. I measured from the top to the bottom, at the widest points. Good luck! /forums/images/graemlins/cool.gif
     

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