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Old 12-16-2015, 03:50 PM   #11
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Originally Posted by Touch N Go View Post
I've noticed through out the years on the road that it's always the trailer tires blowing and not the trucks. I've seen boat trailer, horse trailers, TT trailers, plus many others SIDELINED .
Sometimes folks tend to overload trailers...not anyone on the Jayco site, however
I also noticed that SOME people tend to pay no attention to the age of trailer tires cuz the tread looks good. Like the guy parked next to me in the storage lot has a TT with 11 year old tires. Yikes!
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Old 12-16-2015, 04:31 PM   #12
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Originally Posted by troutslayer View Post
Sometimes folks tend to overload trailers...not anyone on the Jayco site, however
I also noticed that SOME people tend to pay no attention to the age of trailer tires cuz the tread looks good. Like the guy parked next to me in the storage lot has a TT with 11 year old tires. Yikes!
Stopped to help a guy with a blown tire last year. The tires were ancient, and under inflated, but all he did was complain that they didn't have many miles on them.
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Old 12-16-2015, 04:47 PM   #13
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Age, under inflation, and driving at speeds that exceed the rating of the tire are usually the biggest reasons for ST tire failure. That's not to say that LTs should not be considered. But stories of premature failure are just that, stories. Without knowing the details and having a tire examined by an industry professional, one can say anything they want about why they think their tires failed.

That said, there does seem to be an issue with 15" and 16" ST tires on large trailers. There are more than a few anecdotal reports out there that lead me to believe that underspeced tires are being used.

On the flip side my current and previous trailers use 13" ST tires. The previous trailer was single axle. I was told over and over again how bad it was to have a single axle, and how 13" ST tires are prone to failure. In 10 years of towing that trailer over an estimated 20k miles I never had one single problem with a tire. In 3 seasons of the X20E and at least 3400 mile in travel, not a single problem. I keep the recommended 50 psi in them, drive under 65 mph, and in the case of the old trailer put new tires on after 6 years. Hmm...
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Old 12-16-2015, 05:29 PM   #14
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It's nice that they are finally offering this as an option. ................................................I became very aware of the shortcomings of the OEM tires supplied with my trailer, ..........................
Several people have asked me why I did not buy a used TT. I asked myself. But after looking at a LOT of trailers, new and used, I found that it was harder and harder to find a floorplan that I was willing to spend my hard earned money on. It is also amazing how many changes have been made to the trailers in just a few years. It is hard to go back to the older designs after seeing the new ones with all the newer features like LED lights, tire and wheel options, slides, exterior colors, islands, pantry, etc.

Glad that they are responding to the customer, albeit slowly and not always in the right direction.
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Old 01-13-2016, 08:47 AM   #15
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To my conclusion in time , there is yust little difference in the construction of an ST and LT tire. Read ST sometimes has less deep profile, wich is better for cooling of tire specific place where it heatens up the most.
But I suspect a tiremaker to yust recalculate a LT designed tire to ST by allowing more deflection for the lower speed of 65m/104km/h instead of the 99m/160km/h for wich an LT tire is mostly calculated.
Will give link to topic of mine on RV forum about how to compare tires for replacement.RV.Net Open Roads Forum: How to compare tires for replacement and needed pressure

If you read that , you see that an ST tire has mostly about 18% more maxload then an LT tire for Q speedrated( 160km99m/h and about 12% more then that of an LT for N speedrated( 140km/86m/h) and this is only because of the calculatation for lower speed.
For P-tires its probably a bit different, smaller differences.

So its all about the maximum load of tire recalculated for 160km/h to compare tires , then the maximum load has to be enaugh for the ( over) load on seperate tires with even some reserve of say 10%.
Mosly the GAWR's are used for that , but mind that even if you stay below that, there is often misbalance R/L , wich makes weight on one tire go over maximum load. A weightdivision per axle of 48/52% is pretty comon for trailers and 5th-wheelers.

Main conclusion in my topic is , why use a pressure that is theoretically yust enaugh for the speed, if you can have a reserve with gripp and "comfort" still acceptable.

In practice pressure measurement can be inaccurate, loads can be misyudged, pressure droppes in time, etc.
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Old 01-18-2016, 04:58 PM   #16
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Touch in Go,

This is a horse that has been "beat to death" on every RV site there is. You will get as many opinions as members on the board. It is like asking which is best, Ford or Chevy. Those that drive Fords, like Fords, those that drive Chevys, like Chevys. There is not changing their minds. Those that run LT tires, like LT tires, those that run ST tires, like ST tires. Likewise, there is no changing their minds.

The topic has been covered many times on this forum. Do a search and read. Much good info.

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Old 01-18-2016, 06:18 PM   #17
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Originally Posted by Touch N Go View Post
What do you think about LT tires on the trailer. I've noticed through out the years on the road that it's always the trailer tires blowing and not the trucks. I've seen boat trailer, horse trailers, TT trailers, plus many others SIDELINED .

There are many thing going on to TT tire while park, sun,Temp,weather,etc. I just DONT agree in a tire going in 1-3 yrs.

There got to be something to that, ST vs LT,

WHAT DO YOU GUYS THINK????

I'm never buying a ST tire ever again!!! EVER!!!


Had nothing but problems on my 5th with ST, at least one blow out every year and I checked pressures often. Even went from the supplied D range up to E range thinking it may help. Nope.

Finally got sick of it and replaced with LT (similar load range) and haven't had a flat in 4 years. I don't think quality exists in trailer tires.

Did I mention that I'll never but a ST tire again?
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Old 01-19-2016, 08:00 AM   #18
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Touch N Go, I apologize, after reading my post, I realized it sounded somewhat harsh. That was not my intent. I, like you, ask the same question a few years ago.

Tires are truly an interesting topic on all RV forums I’ve visited and always instigate discussion/argument. I’m now convinced there are as many opinions regarding tires as there are members on the forum and tire brands. It is like the old topic of: Which is best, Ford or Chevy? One gets thousands of opinions and no tested facts plus one will never change the OPINION of the other.
I had the opportunity recently to visit with a relative regarding this very topic, camper/RV tires. This relative spends most of each year traveling, towing, and living in his 5er. Because he lives in the RV for months on end, he has made modifications to it which added weight.
I thought I would broach the topic with him and get his OPINION and tap into his experience with the subject. He stated that in all his travel, he has had one blow-out. (Caused by hitting an object on the road)
To paraphrase his statement, RV tires are like all other things, one can put as much money into them as one wishes. Expensive or cheap, one will only safely get approximately four years out of tires as miles don’t wear them out, sunlight, heat, and setting extended periods of time without turning does. Always purchase ST tires in the proper load range for the weight of your rig, don’t speed, and always inflate to proper pressure before hitting the road. At each stop, physically touch each tire to get a feel for the heat build-up. Always do preventive maintenance and you will have few problems.

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Old 01-19-2016, 11:48 AM   #19
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I knew and asked and there was nothing they would do for me at the time in 2013-14.
Who did you ask? Many people have had changes & additions. A lot depends on how your dealer and his sales rep approach it.
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Old 01-19-2016, 01:01 PM   #20
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Stay with ST tires.
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