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Tractor tires sizes

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BUDD

02-11-2002 12:26:49




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How do the numbers for tractor tiers read. I know how my truck tiers read. What I am confused about is the rim size. Like a 38" tire is more than 38" across the hole for the rim.

THANKS BUDD




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ed

02-12-2002 04:50:41




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 Re: Tractor tires sizes in reply to BUDD, 02-11-2002 12:26:49  
go to miller's website, click on FAQ



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BUDD

02-12-2002 13:51:23




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 Re: Re: Tractor tires sizes in reply to ed, 02-12-2002 04:50:41  
Ed, thanks, but the info was not there. A 18.4 x 38" tire is 18.4" wide and the 38" is the rim die. right? I have not measured a rim off of a tractor, but it seems to me that on a 38" tire the rim is a lot biiger than that across its center, is it not or is it that I don't know what I am talking about(would not be the first time).

THANKS BUDD



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Tony630

02-12-2002 17:01:57




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 Re: Re: Re: Tractor tires sizes in reply to BUDD, 02-12-2002 13:51:23  
To answer your question with as least amount of detail to confuse all of us, we will take your example of 18.4-38.

The 18.4 is the overall width of the tire. The 38 being the inside diameter of the tire. Which in turn tells you what size rim diameter to get.(It does not tell you what rim I.D. to get example: JD A Deep drop-34" I.D., JD 630 shallow drop-36" I.D., These numbers are used to fit your Hub.) Firestone has a webpage which explains every little detail about every tractor tire they make, e.g. what rim should go to what tire; air pressure for a certain load; contact patch; etc.

Depending on the tractor and of course what you will be doing designates what tire, ply, and tread design you should have.

Tony

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