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Ok, There Has To Be An Answer For This.......


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9 replies to this topic

#1 Farmlife OFFLINE  

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Posted December 07, 2012 - 05:14 AM

Alright, as alot of you know I've been workin on Sears a while now and few things seem to slip past me with these things. Last night I was out in the shop with a buddy of mine and he asked, "why are the two rear tires different?" My reply, "they're not, what are you talkin bout?" well he's right, they LOOK exactly the same glancing at them. HOWEVER, one is fatter and taller than the other in the back and by a decent amount that I should have noticed it LONG before now, (this is my 1972 ST/12 we're talkin bout) SO, I looked at my 68 8XL Custom.....original Sears tires and its exactly the same as the ST/12. I called a friend that has an SS16 and had him look at the tires....same thing. Now all these tractors have original SEARS tires on them....they all read EXACTLY the same tire size on EVERY tire.....yet like I said they are clearly NOT the same size tire. Why????

#2 KennyP ONLINE  

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Posted December 07, 2012 - 05:23 AM

One tire used a diet plan that worked? Take the 2 that are nearest the same size and put on the ST/12. Put the other 2 one the 8XL.

#3 mjodrey OFFLINE  

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Posted December 07, 2012 - 05:35 AM

I can't imagine why they are different.I would do what Kenny said,and try to match them up as best as I could.

#4 UncleWillie ONLINE  

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Posted December 07, 2012 - 06:35 AM

Two blind people at the assembly line?

#5 glgrumpy OFFLINE  

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Posted December 07, 2012 - 08:08 AM

I've had sears and they had ODD tire sizes, by just little. Thinking so people think they have to come back to Sears to get that same size. Example 7.50 widths, instead of just 8:00 like most. 22.5 diameter, instead of 23. I have also seen old tires on wheels just kinda shrink up if laying around awhile, specially outside. I bet they are just old and drying out and shrinking!

#6 IWLBCNU OFFLINE  

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Posted December 07, 2012 - 11:34 AM

Check your air pressures, they get wide and short when low.

#7 JDBrian OFFLINE  

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Posted December 07, 2012 - 12:22 PM

Check your air pressures, they get wide and short when low.


I was just going to say that. I had that issue on the fronts of my 314. One tire was low on air and when topped up they both looked the same size.

#8 timtractor OFFLINE  

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Posted December 07, 2012 - 01:32 PM

Check to see if there is a difference on the number of plys. It could be a 2 ply or 4 ply?

#9 Farmlife OFFLINE  

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Posted December 07, 2012 - 05:18 PM

The odd thing is why is this the case on 3 completely different Sears tractors. Again, they ALL have original Sears tires on them. They ALL have the same exact size written on them. I mentioned this to a friend that has a Wheelhorse 210-8 and he says its the same issue on it, he found this out while applying tire chains last winter. Now I've had a 210-8 and mine wasn't like that (tires were not stock tho). Either way my tractors will have matching tires as I finish this ST/12 project since the stock ones are dryrotted anyway. Truely odd........
Timtractor......I didn't think of that, I will check.
----another friend told me this may have been done for traction purposes but I still can't find anything in all the Sears manuals about this......

#10 tractorgarden OFFLINE  

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Posted December 07, 2012 - 06:11 PM

Odd as it seems, I had two 23 10-50-12 Carlisle ag. tires on the same size rims, they were big time different. Went back to tire shop and they matched one up with another they had on the shelf.They were the same then.





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