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Radial 4.00x8 Tri Ribs?


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#1 MF10 DIESEL OFFLINE  

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Posted February 24, 2013 - 02:15 PM

Does anybody know if a 4.00x8 tri rib is available as a radial tire? I bought a set off of ebay and discovered they are tube type. I am currently running 3.50x8 radials on boat trailer wheels for the front of my tractor at 40 psi due to the weight of the diesel engine, I think I need similar pressures with the 4.00 tire, but tubes won't hold that if i'm not mistaken.

 

I discovered the front deck roller was getting too much down pressure and wearing heavily, thus the change of front tire size. I think the 4.00x8 will be closer to the height of the original 16x6.50x8.


Edited by MF10 DIESEL, February 24, 2013 - 02:24 PM.

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#2 KC9KAS OFFLINE  

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Posted February 24, 2013 - 05:54 PM

Why wouldn't the tubes hold 40 psi ?


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#3 MF10 DIESEL OFFLINE  

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Posted February 24, 2013 - 08:18 PM

Why wouldn't the tubes hold 40 psi ?

I am not an expert on tubes... but haven't had the best of luck with them. They seem to blow out awful easy in tires I've had around in these other little machines.  The tires are rated 2.4 Bar which is about 35 PSI.


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#4 JDBrian OFFLINE  

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Posted February 25, 2013 - 06:09 AM

Perhaps with the greater surface area of the slightly larger tire you won't need to go all the way to 40psi. I'm not sure what the limit is on tubes. I would think that the tube should be able to take as much pressure as the tire normally would.



#5 twostep OFFLINE  

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Posted February 25, 2013 - 07:51 AM

... I am currently running 3.50x8 radials on boat trailer wheels for the front of my tractor ...the height of the original 16x6.50x8...

Is there a reason to not stay with the boat trailer tires? Is stepping up to a larger tire (like your original) not an option?



#6 crittersf1 OFFLINE  

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Posted February 25, 2013 - 07:54 AM

Bicycle tubes hold 110psi.  As long as it's the right size tube, no wrinkles and the inside of the tire is clean you shouldn't have any problems.


Edited by crittersf1, February 25, 2013 - 07:56 AM.

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#7 DH1 OFFLINE  

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Posted February 25, 2013 - 07:31 PM

http://www.millertir...ib-front-4-ply/

 

Is this what your looking for?



#8 MF10 DIESEL OFFLINE  

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Posted February 25, 2013 - 07:32 PM

Is there a reason to not stay with the boat trailer tires? Is stepping up to a larger tire (like your original) not an option?

Sorry for the confusion, I'm using boat trailer wheels with 3.50x8 tri ribs currently. I had originally intended to run 4.00x8 tires since the height was more similar to the original 16x6.50x8, but the supplier was out of them at the time. I never thought about running the original sized tri ribs because the cost is crazy for some reason. 


Edited by MF10 DIESEL, February 25, 2013 - 07:37 PM.


#9 MF10 DIESEL OFFLINE  

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Posted February 25, 2013 - 07:35 PM

http://www.millertir...ib-front-4-ply/

 

Is this what your looking for?

 

Thats what I bought not thinking to ask if they were tubeless or tube type, I was wanting to know if anyone has ever seen a radial (tubeless tire) in this size of tri rib.


Edited by MF10 DIESEL, February 25, 2013 - 07:40 PM.


#10 DH1 OFFLINE  

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Posted February 25, 2013 - 07:41 PM

http://www.millertir...ib-front-4-ply/

 

Is this what your looking for?

 

 

Thats what I bought not thinking to ask if they were radial or tube type, I was wanting to know if anyone has ever seen a radial in this size of tri rib.

 

Why do you want a Radial tire?

 

These 4.00x8 tri rids are a tube type tire and are rated to carry 435lbs each at 20psi.



#11 twostep OFFLINE  

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Posted February 25, 2013 - 09:33 PM

I think there is some confusion... "radial" does not equal tubeless.

 

You just want a "tubeless" tire... but yeah I here you. I wanted SO bad to put some of those V61 5-rib tires on my 682 but I just can't justify $70 each. I don't understand why I can get 16x6.5-8 lug tires for $30 each but rib tire are over twice that.



#12 MF10 DIESEL OFFLINE  

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Posted March 14, 2013 - 08:37 PM

I think there is some confusion... "radial" does not equal tubeless.

 

You just want a "tubeless" tire... but yeah I here you. I wanted SO bad to put some of those V61 5-rib tires on my 682 but I just can't justify $70 each. I don't understand why I can get 16x6.5-8 lug tires for $30 each but rib tire are over twice that.

 You are right,  tubeless and radial aren't the same...I've just got so used to working with cars I forgot the tube / tubeless days. Anyway, I guess I'm just going to run the tube type 4.00x8 tri ribs. My front end is real heavy and needs more tire, the lister petter diesel weighs about 150 lbs not including all the extra hardware that went withe the swap. I'm guessing I'm 100+ lbs over stock front axle weight of an original MF10. 






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