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Old 05-10-2013, 06:49 PM   #1
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June Trailer Life article on Tires

Interesting article in the latest issue of Trailer Life. Indicates that it may not be a good idea to run LT tires on trailers.
Anybody care to comment?
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Old 05-10-2013, 07:10 PM   #2
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There is a reason that most RV manufactures ship their units with ST, Special Trailer, tires on them.

The LT people will rant and rave but I will go with the tire and RV industry recommend.
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Old 05-11-2013, 06:37 AM   #3
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What are their arguments against LT tires on trailers? I have no opinion either way, just curious.
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Old 05-11-2013, 06:39 AM   #4
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There is at least one LT designated tire that is approved by the manufacturer for trailer applications. The following is from Good Year's web site:

G614 RST
Even Wear In Demanding Trailer Applications.

I am going with the tire manufacturer's recommendation.
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Old 05-11-2013, 08:18 AM   #5
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The reason I will not use LT tires is that ST tires are made with stronger sidewalls and are designed to flex sideways when making sharp turns, especially with tandem axles. If you've ever seen a tandem axle TT or 5er making a really sharp turn while backing up, you may have noticed that at least one of the tires looks like it is coming off the rim, but doesn't. ST tires are designed to withstand such sideways pressure, while LT tires are not. They are designed for trucks, which do not see sideways stress.
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Old 05-11-2013, 08:29 AM   #6
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One tire "expert" confided to me that if you have a single axle trailer the LT tires will work just fine. It's when you have more than one axle that the special trailer tire design becomes more critical.

Many people do run LT tires without problem. The general comments I hear about special trailer tires is that regardless of brand name none of them seem to be as good as they once were. Goodyear Marathon radials were once the gold standard with the guys I ran with. Not so much anymore. I always run my trailer tires at max pressure. FWIW. vic
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Old 05-11-2013, 08:39 AM   #7
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I can only speak from experience. Two blowouts on my 5th wheel in two seasons, 5 seasons of no problems with my BF Goodrich Commercial T/As. Guess what tires are going on my fiver?
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Old 05-11-2013, 08:51 AM   #8
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I stick with my earlier post. Some LT tires are approved for trailer service and some are not. The ones I just purchased are approved. To each his own.
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Old 05-11-2013, 01:01 PM   #9
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I think i'll stick with ST tires, but upgrade to a higher load rating
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Old 05-11-2013, 04:00 PM   #10
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I follow the advice of a close friend who is a tire expert and who along with his family own three tire businesses primarily servicing agricultural and industrial customers. He has lots of experience with trailer tires, many that work much harder than out TT/5vr tires.

He says run ST tires with sufficient weight ratings at Max PSI. Cover tires whenever not in use and absolutely change them 5 years from mfg date regardless of mileage or visual appearance. I run Chinese GY Marathons with no issues. My current marathons are on their 3rd season since mfg, again with no issues to date.

Most of the people I know who have had tire issues don't properly maintain them. They don't regularly check pressure, store them in the sun uncovered and often the tires are older (5+ years)...but the owner thinks they should be fine since they have low miles on them. It's not the miles, its the sitting especially in weather/sun that degrades tires.
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