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Ford 9N, 2N & 8N Discussion Forum
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Cracked tires

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Allthumbs

11-21-2006 05:11:38




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Got an 8N about 4 months ago. Lugs have almost no wear but sides of tires are badly cracked. Is there any way to stop or slow the deteriation? I am afraid the cords will start tearing. One tire on the front was rotted and got a knot almost the size of foot ball just before it blew out.




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Steve IA

11-22-2006 03:04:08




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 Re: Cracked tires in reply to Allthumbs, 11-21-2006 05:11:38  
Minimizing weather checking (cracks) is a function of the materials used in the rubber compounds. Anti-oxidant and anti-ozonant oils (AO) are normally added to the rubber when it is mixed to reduce weather checking. It's what's in the rubber that counts and while treating the surface of the tire with after market products may improve appearance for a while (I'm not saying it does) in the long run, it's up to the tire maker. Although it's relatively expensive as tire ingredients go,it really doesn't take much AO oil to make a big difference. Some tire makers realize that it's false economy to cheapen the tire initially reducing the AO, only to have an unhappy customer later on when the tire looks bad. Most high-end rear radial ag tires wear out the treads long before the sidewalls have a time to weather check. Steering tires and rear tires for light duty/ show tractors may last many years and will weather check if not protected. Firestone Ag tire engineers formulate different tire rubber compounds for different tires depending on the tires use. Radial tractor tires aren't made from the same materials as N tires. Not better or worse materials in either case. Just matched for the purpose of the tractor.
Steve - Process Engineer, retired. Firestone Ag Tires (30 yrs)

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Allthumbs

11-22-2006 05:35:01




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 Re: Cracked tires in reply to Steve IA, 11-22-2006 03:04:08  
Thanks for the interesting information. Regards



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Ultradog MN

11-21-2006 13:44:47




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 Re: Cracked tires in reply to Allthumbs, 11-21-2006 05:11:38  
There was a discussion here a few years ago about a guy who watched an old farmer cut a hole in the side of his cracked and worn out tire and then fill it with concrete.
No more flats and probably years of life to a weary tire.
Might ride a little hard...



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souNdguy

11-21-2006 06:45:45




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 Re: Cracked tires in reply to Allthumbs, 11-21-2006 05:11:38  
Some cracks are going to happen.. no real way to stop them. just run the tires till they won't hold air, if farm use.. or if you take her on the road.. run them till they are approaching being unsafe.. then retire them ( no pun intended ).

Soundguy



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Gregg E

11-21-2006 05:58:19




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 Re: Cracked tires in reply to Allthumbs, 11-21-2006 05:11:38  
Not really, I see new tires all the way around in your future.



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gahorN

11-21-2006 06:31:20




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 Re: Cracked tires in reply to Gregg E, 11-21-2006 05:58:19  
YES! Tire sidewalls will crack and dry out when stored near electrical equipment (high-ozone environs) and in sunlight. Park your tractor indoors or under cover away from electrical equipment. Using a protective treatment on the sidewalls may also help. (Armor-All is a common brand.)
Small surface cracks are merely cosmetic and should not pose a problem. The rubber merely protects the tire carcass-cords from abrasion, and as long as the cords are not actully visible within the cracks, the tires should be fine. (Keep them fully inflated to reduce flexing of sidewalls. 28 psi fronts, 12 psi rears. If storing them in a musuem, use nitrogen instead of air.) ;Þ

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gahorN

11-21-2006 06:30:54




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 Re: Cracked tires in reply to Gregg E, 11-21-2006 05:58:19  
YES! Tire sidewalls will crack and dry out when stored near electrical equipment (high-ozone environs) and in sunlight. Park your tractor indoors or under cover away from electrical equipment. Using a protective treatment on the sidewalls may also help. (Armor-All is a common brand.)
Small surface cracks are merely cosmetic and should not pose a problem. The rubber merely protects the tire carcass-cords from abrasion, and as long as the cords are not actully visible within the cracks, the tires should be fine. (Keep them fully inflated to reduce flexing of sidewalls. 28 psi fronts, 12 psi rears. If storing them in a musuem, use nitrogen instead of air.) ;Þ

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Allthumbs

11-21-2006 08:33:39




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 Re: Cracked tires in reply to gahorN, 11-21-2006 06:30:54  
Thanks..I'll go with the Armor-All.



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gahorN

11-21-2006 06:32:21




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 Dang computer hung-up. sorry for double-post. in reply to gahorN, 11-21-2006 06:30:54  



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