New Tires

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skirk55

Well-known member
Joined
Oct 15, 2010
Posts
381
Location
Newtown Pa. 18940
We picked up our trailer Saturday and the new tires were different than the old tires. We had Lt tires on our old  5wheel and now it has St tires.
The mph is 2.1 mph better. The ride is hard! We need to address the before we go back to Ye lowstone. The trailer seems to be stiff and is not bouncing. I thought a tire was a tire not so.
 
Let me get this right.  A tire dealer installed ST tires on a trailer originally equipped with LT tires?  Take it back and demand that they install LT tires. You really need to educate yourself on tires before not after you buy them.
 
skirk55 said:
We picked up our trailer Saturday and the new tires were different than the old tires. We had Lt tires on our old  5wheel and now it has St tires.
The mph is 2.1 mph better. The ride is hard! We need to address the before we go back to Ye lowstone. The trailer seems to be stiff and is not bouncing. I thought a tire was a tire not so.
Are you saying you like the ST tires better? I'm not sure I understand your post.
 
The tire ratting Is more on st tire than Lt tire. The ply is more on the st tire. The tire bead is stronger. I do not know if it is better or not. I can feel the st tires are harder. I like the mpg. I think air ride is coming!
 
skirk55 said:
The tire ratting Is more on st tire than Lt tire. The ply is more on the st tire. The tire bead is stronger. I do not know if it is better or not. I can feel the st tires are harder. I like the mpg. I think air ride is coming!
Now I follow you. There is a lot of debate over LT vs ST tires. I personally don't have enough experience to say one is better than the other but I am leaning towards a good ST myself when the time comes to replace.
 
You have to remember you are not comparing apples to apples.  This is more of a comparison of apples to lemons.  ST tire have a higher load rating and a much lower speed rating?  Make sense ?  Nope not to me either.  The vast majority of ST tires are built in one or two plants in China with a reputation of very poor quality control.  the exception is Maxxis.  at least their reputation isretty good.  speed rating or should i say speed limit on ST tires is another big reason to ahy away from them.ST tires can be hard to find when you have a blow out in some places, whereas a LT tire can be had relatively cheaply almost anywhere.    Simply do a web search on ST tire failures, especially on heavy trailers and you will understand why the smart move is to a quality LT tire. 
All I can say to the  is, if your trailer came OE with an LT tire and your dealer I stalled ST tires, he really did you a Hugh disservice.  Plan to sock a lot of money away for when they start exploding at hwy speeds and you need to make a lot of expensive repairs to your trailer.  Your going to need it, because the tire brand name will likely no longer be around anywhere.
 
I read the speed is 65 with st tires. That is ok I will not go over 65 pulling. My diesel has plenty of power so I bo not have to get my mph up to creast the hill. I had good year tires in the early 80's they were junk. That was the one time we ever changed tires on our trailer.
Because we travel 8000 to 10,000 miles per year now thimgs have changed. So did tires! Whyy is there tires sold today that are unsafe? I never shop price I shop quality . My wife and my dog go with us. I can not let nothing happen to my dog!!!!!
 
You have to remember you are not comparing apples to apples.  This is more of a comparison of apples to lemons.  ST tire have a higher load rating and a much lower speed rating?  Make sense ?  Nope not to me either.  The vast majority of ST tires are built in one or two plants in China with a reputation of very poor quality control.  the exception is Maxxis.  at least their reputation isretty good.  speed rating or should i say speed limit on ST tires is another big reason to ahy away from them.ST tires can be hard to find when you have a blow out in some places, whereas a LT tire can be had relatively cheaply almost anywhere.    Simply do a web search on ST tire failures, especially on heavy trailers and you will understand why the smart move is to a quality LT tire. 
All I can say to the  is, if your trailer came OE with an LT tire and your dealer I stalled ST tires, he really did you a Hugh disservice.  Plan to sock a lot of money away for when they start exploding at hwy speeds and you need to make a lot of expensive repairs to your trailer.  Your going to need it, because the tire brand name will likely no longer be around anywhere.

Lots of conjecture and speculation here being presented as fact rather than opinion.  What do you other trailer folks think of ST v/s LT tires?
 
Here is but one link to the numerous threads on ST tire issues.



http://www.rvforum.net/SMF_forum/index.php?topic=33283.msg311439#msg311439
 
The best tire for the RV trailer will have adequate load capacity for the job. It will be well cared for and operated within it?s design limitations.

FastEagle
 
In two years we will replace our 5wheel  and I  just do  not know what to do about the cheap Chinese tires on a $85,000 trailer.
 
Just Lou said:
Lots of conjecture and speculation here being presented as fact rather than opinion.  What do you other trailer folks think of ST v/s LT tires?

More like don't go over 55-60 MPH. If you want to keep ST's from blowing out your got to stay away from the redline of the tire. Like taking your tow vehicle right to the redline on the tach. does the engine blow up? Maybe... But why push it.

As for ST's tires I've got zero problems with them. 3 years running zero issues.

As for economy sake you best backing down to 55-60 just to get better MPG of towing the RV around there is no need to be rolling 65-75 MPH with a RV. It all about relaxation and the RV trip. Not racing along and blowing out tires...  ::)
 
The best tire for the RV trailer will have adequate load capacity for the job. It will be well cared for and operated within it?s design limitations.

Well said. If the tire specs are adequate for the trailer size/load/speed, it really doesn't make any difference if it is an ST or an LT. Both are designed with stiffer sidewalls than "P" (passenger tires) so they can handle the loads and side pressures.

Check the load range or read the actual load weight rating stamped into the tire sidewall. It should exceed the actual loads you will encounter on your trailer. Consider the speed rating too. If you plan to drive at 65 mph, e.g. on an interstate highway, you really want a tire with a max speed rating greater than 65, cause it doesn't make good sense to ever be running at tire at its max limit, whether that be speed or load.  At best it will have a short useful life and at worst you will encounter sudden failures.
 
Note, ST tires have a stiffer sidewall than LTs and generally a higher carrying capacity than LTs (probably because of the stiffer sidewall). Years ago when I was in the tire business it was OK to run ST tires at 75mph IF you added an extra 10psi to the tires, BUT only if adding the 10PSI did not exceed the maximum PSI for the tire.

That said, if LTs have the carrying capacity needed, then there is nothing wrong with using LTs. Your only stuck with STs if you need the capacity and don't have room for a larger LT to get the capacity.

ken

 
No more ST tires for me unless there is a drastic change in quality control.  They are cheaply made, our 5er came with ST and had the craziest wear on them.  After alignment check which showed no problems I switched to LT's and no wear problems.  Enough said.
 
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