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Farmall & IHC Tractors Discussion Forum
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8 to 9 converter

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bm3501466

08-31-2006 18:56:38




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Are there any conversion hubs that go from 8 bolt to 9 bolt? Is there any way I can make my nine bolt wheels fit on my 350 utility?




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Janicholson

09-01-2006 06:39:40




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 Re: 8 to 9 converter in reply to bm3501466, 08-31-2006 18:56:38  
A machine shop can make adapters. You need the bolt circle dimension (exact to the .001") for both patterns. They need to be about one inch thick and made fron SAE-1030 Lower medium carbon steel or better. The studs for the new wheel should be the same diameter as the ones that were on the original, and they need to be recessed into the back of the adapter. THe bolt holes to mount the adapter must also be recessed into the face of the adapter to prevent wheel contact when bolting on the new wheels, and counterbored enough to allow the use of a socket to tighten. The adapter should have a centering ring machined to mach the original wheel on the back, and a centering boss sticking out the front to center the new wheel on the out side. (they may be different sizes, and need to be very close fit to prevent off center motion under load) I would not use duals, or off set the tires real wide when using adapters because liability and danger are not in anyones best interest. Just my opinion, JimN

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