It is getting time to replace the tires on our 5th wheel. I am currently running LT E-rated tires rather than running ST tires. Yes, I know that this comment just made a few of you gasp at such a statement.In my many years of 5th wheel rving I have never had a blow out running LT tires. However I can say that I have owned a trailer that has experienced two blow outs before I ever took actual delivery. Of course it was wearing OEM China made ST tires.Anyway, back to the base of my post. I was talking to my tire dealer who mentioned that Carlisle has come out with a new ST trailer tire in the 235/82-16 size in a HD F-rated version. These are speed rated at 75mph, 12ply tires.Does anyone have any first hand experience running these latest Carlisle tires? If so do you care to share any information?

If they're still made in China I'd avoid them and stick with the LT's.

Reports have been posted about how good the new Carliles are. But, unless you were to change wheels those 12 ply tires are about worthless to you. Your wheels are probably rated to about 80 PSI, whereas 12 ply tires to achieve optimal load carrying capacity probably require 110 PSI. Get the picture?

Personally I had lousy luck with the Carlisle ST tires that came on our 2010 Fuzion. I've read that the new Carlisle tires are a better tire, but since there are other brands to choose from my thought is "Fool me once...". Why would I want to run the risk with a brand of tire that I know has made bad tires when I can choose a brand of tire that is a known quantity? It's very possible that they are now making a good ST tire, but there are several brands that are known to make a good tire. Pretty easy choice to me.

I've been using the Carlise Radial Trails (E rated, 87 mph) for two years and about 6000 miles with no issues

My Carlisle tires are over two years old- f rated 235/85-16. No problems

Carlisle HD G-rated tires 235/85-16 | Good Sam Community

rhagfo
Explorer III
Mar 27, 2017
jonrjen wrote:
4bearhug wrote:
jonrjen wrote:
It is getting time to replace the tires on our 5th wheel. I am currently running LT E-rated tires rather than running ST tires. Yes, I know that this comment just made a few of you gasp at such a statement.

In my many years of 5th wheel rving I have never had a blow out running LT tires. However I can say that I have owned a trailer that has experienced two blow outs before I ever took actual delivery. Of course it was wearing OEM China made ST tires.

Anyway, back to the base of my post. I was talking to my tire dealer who mentioned that Carlisle has come out with a new ST trailer tire in the 235/82-16 size in a HD F-rated version. These are speed rated at 75mph, 12ply tires.

nyone have any first hand experience running these latest Carlisle tires? If so do you care to share any information?

If you're having great success with LTs why consider going back to STs? What does the ST provide that you aren't getting with LTs? Is the weight rating the attraction? is the risk worth the extra weight?

I wonder the same thing to be honest!!!

If it price, figure out why ST's are cheaper.

I just put a set of Yokohama YK-HTX's with 3,042# capacity each, likely about 200# ea. less than ST, but which one you trust with your family's life! There are reasons that ST can't be put powered vehicles!!
My 5er has a 12,360# GVWR, which will likely mean I will never get over 10,000# on the axles, tires have a capacity of 12,168#.
Rjdreyer
Explorer
Mar 28, 2017
Think the trick is to buy about 1k to 2k lb capacity in excess of the GVWR on the tires, i.e. 12k GVWR, buy 14k worth of tires. Not sure of LT vs ST, guess ST supposedly stiffer sidewalls for those tight sliding turns we put them through backing up.
JIMNLIN
Explorer III
Mar 28, 2017
The Carlisle HD was just released in 2016 so not much in the way of a track record is known. We'll know more about them if someone reports 4-5 years and 25k-35k miles.
Two year reports and 5k-7k don't tell us anything.

I wouldn't replace a quality LT E tire with any brand ST E or F or G tire unless the tires are running over loaded.
rhagfo
Explorer III
Mar 28, 2017
Rjdreyer wrote:
Think the trick is to buy about 1k to 2k lb capacity in excess of the GVWR on the tires, i.e. 12k GVWR, buy 14k worth of tires. Not sure of LT vs ST, guess ST supposedly stiffer sidewalls for those tight sliding turns we put them through backing up.

Guess I don't see your point, maybe on cheap China ST's, but I have LT235/85-16's on a 12,360# GVWR 5er. Currently about 9,300# on the axles at GVW of 11,500#. Tires have a capacity of 3,084# each, 12,168# total, more than enough to carry the full GVWR of the 5er. I see about no more than 10,000# on the axles.
That is a margin of 500# per tire, I trust the weight rating of a quality LT tire, far more than the stated extra capacity of the china ST tires.
jonrjen
Explorer
Mar 28, 2017
Thanks for all the replies, LT is where I will remain. History has provided me with a positive track record so I will take what I have learned and put it to good use.

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