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Old 11-07-2019   #11
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Default Re: What do tractor tire chain numbers mean ?

According to Tractor Data the 4010 has rear tires 29x12.50-15.
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Old 11-07-2019   #12

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Default Re: What do tractor tire chain numbers mean ?

Tire sizes seem to be more complicated than I originally thought - I just found a site that explains Lawn Tractor tire sizes - https://www.tires-easy.com/blog/lawn...-buying-guide/

1. Lawn Tractor Tires Sizing
Like any other tire, lawn tractor tires have a series of numbers molded on to the side that spell out specific details about the tire. There are two different sizing systems: two-number system, and three-number system.

Two-number Tire Sizing
Lawn tractor tires using the two-number system display numbers as 4.80-8, for example. This means the tire’s width is approximately 4.8 inches and the rim is 8 inches in diameter. Those are the only two numbers you need to find the right size replacement tire.

Three-number Tire Sizing
The three-number lawn tractor tires numbering system works a bit differently. 15×6.00-6 is a common size. The first number before the “x” indicates the tire’s diameter when inflated and not under load. The middle number between the “x” and the “-,” indicates the tire’s width. The final number indicates the width of the rim. Note that the last number is width, not diameter of the rim. This is always the case with three-number sizing for lawn tractor tires and other garden equipment tires.

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Old 12-26-2019   #13
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Default Re: What do tractor tire chain numbers mean ?

Just a correction. The third number is the diameter. Example is 15-6.00-6 and 16-6.50-8 on Wheel Horse tractors. It is not possible to put a 6.50 wide tire on an 8 inch wide rim. That website is incorrect. Bill C

Last edited by billfires; 12-26-2019 at 06:08 PM. Reason: Spelling correction
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