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Is there some truth to this?

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Jziemer
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PostPosted: Sun Jan 06, 2013 11:50 am    Post subject: Is there some truth to this? Reply to specific post Reply with quote

The other day I was talking to a guy and he claims that if your
international tractor has bigger duals than the inside tire it will
turn on the headlands a lot easier and you will be able to pull
bigger equipment. Is there any truth to this?
 
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Janicholson
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PostPosted: Sun Jan 06, 2013 12:17 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

No it is a great way to break axles.
On hard ground, the farther the contact wheels are from the steering tires, the wider the turn.
In soft ground, the wider the deepest penetration the more they try to turn the tractor despite where the front wheels are pointing. Jim
 
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DeltaRed
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PostPosted: Sun Jan 06, 2013 12:27 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

May turning easier 'empty',but would make no difference pulling a load.As Jim says"good way to break axles".If you have differing size tires,run the bigger inside,the smaller out.
 
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pete 23
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PostPosted: Sun Jan 06, 2013 1:04 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Keep in mind that your inside tire is still supposed to be the main driving force. Never want the outer tire larger than inner. If tires are same size it is a good idea to run a few pounds less air in outside tire. I have seen way too many dual hubs give problems due to slightly over sized outer tire or over inflated or just a identical tire with more tread making it over sized.
 
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Jziemer
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PostPosted: Sun Jan 06, 2013 2:07 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Ok and I'm not 100% sure if he was talking about band duals or hub duals but I'm assuming that the same would be true for band duals?
 
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MisterT
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PostPosted: Sun Jan 06, 2013 2:16 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Jziemer wrote:
(quoted from post at 23:07:07 01/06/13) Ok and I'm not 100% sure if he was talking about band duals or hub duals but I'm assuming that the same would be true for band duals?


The same rules apply, whether axle mount or band style.
 
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Too Far Gone
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PostPosted: Sun Jan 06, 2013 3:14 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Dont visit with folks near the nuthouse fences anymore
 
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Jason the Red
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PostPosted: Sun Jan 06, 2013 4:38 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Maybe some truth to it if your right side tires were larger than your left side tires and you were making left hand turns. That technically would make your right side tires the "outer tires" in the turning radius, however its feasability is non-existant.
 
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Jziemer
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PostPosted: Sun Jan 06, 2013 5:58 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

Ok that's what I was kinda thinking to. I was wanting to buy duals for my 986 which has 18.4 38s and the duals he was trying to sell we're 20.4-38s and I figured I better get some more opinions on this
 
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sflem849
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PostPosted: Sun Jan 06, 2013 6:13 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

pete 23 wrote:
(quoted from post at 14:04:27 01/06/13) Keep in mind that your inside tire is still supposed to be the main driving force. Never want the outer tire larger than inner. If tires are same size it is a good idea to run a few pounds less air in outside tire. I have seen way too many dual hubs give problems due to slightly over sized outer tire or over inflated or just a identical tire with more tread making it over sized.


The Deere manuals all call for that right in the book. Can't speak for a CIH manual because I have never read one.
 
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Jziemer
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PostPosted: Sun Jan 06, 2013 6:40 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

I guess the only reason I thought it would possibly work was I have seen tractors wit 20.8-38 tires inside and 18.4-38 tires as duals so I was thinking mane it would work with the 18.4-38 tires inside and the 20.8-38 as the duals. Thanks for the help
 
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Janicholson
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PostPosted: Sun Jan 06, 2013 7:40 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

If the deal is incredible, why not swap the inner for the outer and be done with the issue?
 
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John B.
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PostPosted: Sun Jan 06, 2013 7:53 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

If you have larger tires on one side than the other this will make your spider gears in you differential constantly walk even when driving in a straight line, because the smaller tires will be making more revolutions!
 
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GeneMO
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PostPosted: Sun Jan 06, 2013 8:40 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

If you dont mind replacing broken axle bolts every other day. I am talking about the old type that clamp on the rim. You get too much pressure from that outer dual and you will break the bolt that hold the wheels to the axle. Least we did on our 706 and 766.

Gene
 
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ihman73
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PostPosted: Sun Jan 06, 2013 10:18 pm    Post subject: Re: Is there some truth to this? Reply to specific post Reply with quote

As long as the diameter is the same it doesn't matter where the wider tire is. But put a larger diameter tire outside of a smaller diameter hard parts will break.
 
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