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Tractor Talk Discussion Board

Re: tire size


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Posted by Gerald J. on December 23, 2004 at 11:32:48 from (63.157.28.57):

In Reply to: tire size posted by Bill G on December 23, 2004 at 07:50:02:

What makes you sure they tires and rims are the wrong size? You need two books, the owner's manual (for that serial number) and the parts book (for that serial number) to be sure what was offered from the factory.

Then you need to realize that tire size numbers have changed. In the time of that tractor being new, tire sizes were rim widths, now tire sizes are the widest width or tread width. So what was 10 in tire is now 11.2 or 12.4.

Miller Tire has some cross references on old to new sizes, I think. But you need to see the owner's manual to see what tires were originally offered. My 4020 has the options in the owner's and parts manuals of 13.9x38 (duals only) 15.5x38, 16.9x38, 18.4x34, and 23.1x30 or some such monster width tire.

Gerald J.


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