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Old 09-05-2012, 06:26 PM   #1
Max Freedom's Avatar
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Trailer tires?

Is there a type of trailer tire that is better than another? What's the advantage of radial vs bias ply? Is an 8 ply stronger than 12 ply? Does this affect the tread wear?

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Old 09-05-2012, 06:55 PM   #2
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There are numerous tutorials online that will answer all of your basic tire construction questions better than anyone here can. But regarding trailer tires specifically, many brands have proved problematic either because of poor quality design or construction or because the RV manufacturer equipped the unit with barely adequate tires (in terms of weight rating), or both. If you search out these issues you will find months of reading but the bottom line seems to be to use only Maxxis M8008 ST tires or a trailer-rated LT tire such as the Michelin XPS rib, both of which seem to be relatively trouble-free by most accounts. Neither of these will be the lowest-cost option but are about the only way to go for reliable service. You should also compare your current tires' maximum weight rating to the actual loaded weight of your trailer and if there isn't at least a 20% margin then you may want to consider going to a larger tire size. Also any trailer tires should be in service for 3-5 years maximum regardless of remaining tread. Lastly you should consider a TPMS (tire pressure monitoring system) to account for road damage or unexpected problems.

You will read a LOT of info but the bottom line is that if you do these four things (along with proper maintenance of course) you should be safe and problem-free.

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Old 09-06-2012, 08:27 AM   #3
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I run bias ply tires on all my trailers. They do not throw the whole tread and tear up the side of the trailer. If you are going to run radial, I have friends that have had great luck with the Maxxis tires.
Ron & Ellen Norton
2016 Grand Design Reflection pulled by 2012 Ram 3500 4x4 6.7 Cummins
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Old 09-06-2012, 01:37 PM   #4
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Originally Posted by Max Freedom View Post
Is there a type of trailer tire that is better than another? What's the advantage of radial vs bias ply? Is an 8 ply stronger than 12 ply? Does this affect the tread wear?
Keep in mind when reading about trailer tires - any design - that they are not mileage tires. Think of them as being on a cycle
There are a number of +/- factors for both bias and radial tires. Owners using few miles per year may get better service from bias tires. But, their mileage expectancy can be as low as 5,000 and top out at 12,000. Whereas the radial is 20,000+.

Here is a reference to read. None are completely correct so you should also keep that in mind when reading it. Then come back and ask some more questions.

Separation Anxiety - Discount Tire Direct

USN - RET - PDRL - Aviation Structural Mechanic (H)
DOD - RET - Journeyman Aircraft Mechanic
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