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Replacement Tires For A Commercial 12

bar lug tires

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#1 flgudmusic OFFLINE  

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Posted June 08, 2016 - 01:28 PM

Hi.... newbie here,

I bought a 1970 Commercial 12 about a year ago and with the help of buddies, have just gotten around to getting it running. It had dual turf tires, 2 of which won't hold air. I was gonna re-tube the tires and realized that all four are pretty well weather checked.

In as much as I'm planning to use it mostly for brush hogging AND pulling old tires and junk out of the weeds, we decided that instead of doing the duals, I might be better off going to one pair of AG/ bar lug tires. The problem I'm having is that, what ARE on it now are 18 x 6.50 - 8. 

I can't seem to find any such animal in a bar lug tractor tread and was kinda hoping that someone here could suggest some tire brand, supplier and/ or maybe even a substitute 8" wheel tire that would fit on a 6.5" wide rim and NOT be smaller in height than 18".

Maybe a 20" may work., it would only raise the rear of the deck an inch higher, right? Hmmm that could be acceptable, I guess. I haven't a clue 'cuz this is all new to me.

Any suggestions would be greatly appreciated.    

                          Thanx,  flgudmusic   aka   Pat

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#2 Gtractor ONLINE  


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Posted June 08, 2016 - 02:36 PM



Put new tubes in.  Much cheaper and if you're pulling junk out of weeds you might cut a tire.   You won't be so mad if you cut the old tires instead of new, high dollar tires.  Those low speed - low pressure tires can have lots of weather cracking and still hold up well.  

Any time you change tire height you change the ground speed.  2 inches won't make a whole lot of difference but before long you have a run behind instead of a walk behind.  :(

Good Luck! 

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#3 HowardsMF155 OFFLINE  



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Posted June 08, 2016 - 07:50 PM

I think the 20 inch tires will not clear some of the mounted implements.  

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#4 PaulL OFFLINE  

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Posted June 13, 2016 - 01:12 AM

Take a look at Carlisle Snow Hog 18X6.50-8 Not a bar lug but much more aggressive than turf tires.

I also agree with Kris - start with tubes.

#5 UncleWillie OFFLINE  


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Posted June 28, 2016 - 08:25 PM

I came here to ask this same question. 


Would a 16x6.6-8 put things too low? I really need more traction for my Commercial 10

#6 KennyP ONLINE  



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Posted June 29, 2016 - 07:00 AM

Here is some 18x9.50-8 lug tires.

#7 John Arsenault ONLINE  

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Posted June 29, 2016 - 07:06 AM

I am stilll running around on snow chains and turfs. I have AGs and wheel weights on my horse and my sears has better traction with no weight and chains. 

#8 UncleWillie OFFLINE  


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Posted June 29, 2016 - 06:40 PM

Here is some 18x9.50-8 lug tires.

I am not sure the wider tire would work with as little room as there is between the tire and the shift mechanisms.