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Old 08-06-2022, 01:22 PM   #21
CWtheMan
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Quote:
Originally Posted by flybouy View Post
I'm confused, not something new for me but hear me out. In this post you basically state that the initial tire failure was owner caused. The first paragraph plainly states that the tires meet the 10% reserve so that ONLY LEAVES 3 owner caused possabilities. And then, subsequent failures were caused by overloading from the first tire failure. Logically then all tire failures were caused by the owner.

In other posts, all I see are complaints why folks don't have their tire failures inspected by a "forensic tire expert". Logically If it's my fualt why do this? Is this for the tire companies edification so they can compile data for a tire confrence? This just seems illogical to me.
Read it more closely. I never pointed a finger at the owner. I just outlined common causes for tire failures, especially those that haven't provided a weight slip.

I made note that a tire forensic expert can normally, very successfully, determine why a tire failed.

Within the RV trailer tire industry, it's common knowledge that when a tire instantly fails at highway speed it will cause the remaining tires on that side of the trailer to carry the load for all remaining axle loads on that side of the trailer. at the very least, an internal inspection for visible damages is highly recommended.
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Old 08-06-2022, 01:31 PM   #22
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Originally Posted by ChuckS View Post
The Hi Spec tire used on any large fifth wheel is just a blowout waiting to happen.. it ranks right up there with Towmax and Trailer King..
Maybe you should say that's in your opinion.
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Old 08-06-2022, 01:59 PM   #23
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Originally Posted by CWtheMan View Post
Maybe you should say that's in your opinion.
Or from experience of countless others that HAVE had blowouts from these brands.
If you see a post on any rv forum concerning blowouts you can almost bet it's one these brands.
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Old 08-06-2022, 04:35 PM   #24
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Quote:
Originally Posted by CWtheMan View Post
Read it more closely. I never pointed a finger at the owner. I just outlined common causes for tire failures, especially those that haven't provided a weight slip.

I made note that a tire forensic expert can normally, very successfully, determine why a tire failed.

Within the RV trailer tire industry, it's common knowledge that when a tire instantly fails at highway speed it will cause the remaining tires on that side of the trailer to carry the load for all remaining axle loads on that side of the trailer. at the very least, an internal inspection for visible damages is highly recommended.
"When inflated to the trailer manufacturers recommendation on the certification label your tires provided adequate load capacity in accordance with the RVIA 10% reserve requirements. So that leaves three possible causes; under inflation, over loading or foreign object tire damages."

The closer I look the less I can interpret this any other way. Please point me to the place where it says otherwise.
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Old 08-06-2022, 04:45 PM   #25
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Whose Fault?

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Originally Posted by CWtheMan View Post
Without knowing the cause for the first tire failure, it's hard to make any recommendations. When inflated to the trailer manufacturers recommendation on the certification label your tires provided adequate load capacity in accordance with the RVIA 10% reserve requirements. So that leaves three possible causes; under inflation, over loading or foreign object tire damages.

IMO, all failures after the first one may have been caused by the instant overloading of the tire fore or aft of the failed tire. With a heavy trailer having 7000# axles even the tires on the other side of the trailer may have suffered from the instant failure at highway speed.

Remember, internal tire damages are cumulative, meaning the overloading could cause the tire to suffer some load carrying abilities. Therefore, it will degrade rapidly because it's overloaded.

There are at least a dozen ST tire manufacturers that build tires the same size and load capacity as your OE tires, all offshore.

The RV industry recommends changing all tires on the same side as the failure because they suffered the shock of instant overloading.
I think the post appears to me to place the blame on the owner for over-pressuring the tire, or the tire becomes underinflated for whatever reason or the tire has been damaged by an object in the road BUT it appears to me to leave out the SIMPLE idea that the tire was simply made crappy and is known to blow out for NO real reason other the tire was crap to start with.
A manufacturer's rating basically means nothing. Real life experiences DO!
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Old 08-06-2022, 04:49 PM   #26
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IMO.
Hispec tires do not belong on any Alpine..or Montana.. images of Hispec tire failures… All Alpines.All OEM tires..

Mileages ranges from 500 miles to 8000 miles.. no specifics on each tire image as to cold inflation but each OP stated they were properly inflated for the load, tow speeds were under 70 mph.

This is just a small sampling over the last four months from various Alpine owners with blowouts from Oracle Hispe 14 ply tires installed from the factory
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Old 08-06-2022, 04:54 PM   #27
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Shure looks like a duck to me!
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Old 08-06-2022, 05:40 PM   #28
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Or Avalanche either....
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Old 08-07-2022, 04:42 AM   #29
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Quote:
Originally Posted by flybouy View Post
"When inflated to the trailer manufacturers recommendation on the certification label your tires provided adequate load capacity in accordance with the RVIA 10% reserve requirements. So that leaves three possible causes; under inflation, over loading or foreign object tire damages."

The closer I look the less I can interpret this any other way. Please point me to the place where it says otherwise.
As you must know by now, I just post the facts. Are those not a factual?

Under inflation can happen at any time.

Overloading can be caused by the trailer's design in having axles that are carrying the load, just not balanced from side to side.

Foreign object damages are random events mostly unavoidable.
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Old 08-07-2022, 04:53 AM   #30
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Quote:
Originally Posted by ChuckS View Post
IMO.
Hispec tires do not belong on any Alpine..or Montana.. images of Hispec tire failures… All Alpines.All OEM tires..

Mileages ranges from 500 miles to 8000 miles.. no specifics on each tire image as to cold inflation but each OP stated they were properly inflated for the load, tow speeds were under 70 mph.

This is just a small sampling over the last four months from various Alpine owners with blowouts from Oracle Hispe 14 ply tires installed from the factory
A habit for inflation to the load carried will, by itself, cause RV trailer tires to fail early, sometimes, very early.

An inquiry? Were the OEM tires properly inflated when the trailer left the dealership?
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Old 08-07-2022, 08:26 AM   #31
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Originally Posted by CWtheMan View Post
As you must know by now, I just post the facts. Are those not a factual?

Under inflation can happen at any time.

Overloading can be caused by the trailer's design in having axles that are carrying the load, just not balanced from side to side.

Foreign object damages are random events mostly unavoidable.
Those are factual causation but I disagree with your view that they are exclusive OF ANY OTHER POSIBILITY including a poorly designed and or built tire. In my opinion it's arrogant to assume all tires are equally capable because experience tells us otherwise.
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Old 08-07-2022, 11:34 AM   #32
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Originally Posted by flybouy View Post
In my opinion it's arrogant to assume all tires are equally capable because experience tells us otherwise.
That's always been true with ST tires. It's not mandatory for ST tires to have wedges or overlays or both.
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Old 08-07-2022, 11:36 AM   #33
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Another Alpine today with a Hispec tire failure on I90.. tires were properly inflated to 105 psi cold..towing speed under 70 mph…

This tire blew yesterday while the folks are on the road traveling thru Sturgis area.. they had some excellent roadside repair service by Grand Design mobile repair folks they knew.

Tires kept covered to protect from UV damage when not towing

This one ripped off the fender skirt, damaged a hydraulic line.. nice mess
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Old 08-09-2022, 07:00 AM   #34
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Sure glad that after reading all the posts about these junk tires I bit the bullet and put the Sailuns on my 2021 Alpine this spring.
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Old 08-09-2022, 08:45 AM   #35
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Sure glad that after reading all the posts about these junk tires I bit the bullet and put the Sailuns on my 2021 Alpine this spring.
Good choice! Smart move!
Better now than before you hit something in the road or overload, under inflate'em.
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Old 08-09-2022, 08:49 AM   #36
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Sure glad that after reading all the posts about these junk tires I bit the bullet and put the Sailuns on my 2021 Alpine this spring.
You will be ever so happy that you replaced those Hispec tires.. One blowut and you have just cost yourself the entire cost of five new quality tires that have much better track record..

The Sailun tires had one recall last year.. I felt like they were quick to get on the problem and did a good job of getting the word out to folks as well as replacing the bad batch of tires..

I purchased a new set of S637 tires myself this May with no concern what so ever about the recall Sailuns had ...

Hispec on the other hand has not done a thing with this sub standard blow out prone tire... These tires have been experiencing blowouts for close to a year now..

I also think Keystone Alpine Division needs to wake up and smell the coffee.. and not some sweet foo foo coffee..

The Alpines continue to some out of the factory with this tire installed.. I personally KNOW FOR A FACT that Alpine Division IS AWARE of this issue and has been seeing the pictures of the blowouts and the damage incurred.

Yet.. they do nothing but keep putting on the Hispec tires... The Factory Rep should be all over this.. And yes I have the gentleman's name but will not post it here.

Alpines have always come with less than stellar tires installed.. My 2014 came with Trailer King E rated ST tires...

I replaced those 3 days after getting the trailer home

After I raised hell with Alpine for many months ODDLY ENOUGH ALL 2015 Alpines started coming out with a 14 ply ST tire made by Provider.. My EXACT SAME MODEL for 2015 came with 14 ply tires..

The Provider tire has and continues to have a great track record...

Then in 2021 the Alpines started showing up with this cheap Hispec and continue to be produced with these tires.
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Old 08-09-2022, 11:19 PM   #37
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HISPEC is a new Keystone OEM Provided. You can find their web site and phone number in the 2023 generic owner's manual.
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Old 08-10-2022, 05:15 AM   #38
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HISPEC is a new Keystone OEM Provided. You can find their web site and phone number in the 2023 generic owner's manual.
Taking with Keystone is nit gonna do much ..

Folks that have a tire issue should go contact Oracle Hispec directly with this link..
https://www.hispecwheel.com/contact/

Then folks should immediately create a complaint using the NHTSA Tire complaint weblink
https://www.nhtsa.gov/report-a-safety-problem#tire

Specs for the ST 235/80x16 tire that is blowing apart, shredding itself, etc

https://www.hispecwheel.com/hispec-t...oracle-radial/
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Old 08-11-2022, 07:08 AM   #39
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I have Sailun ST235/80R16G (14 ply) tires on my 2020 Montana 3780RL fifth wheel trailer and they are holding up very well. They have a 65,000 miles, 6 y manufacturer warranty.
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Old 08-11-2022, 08:36 AM   #40
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I have Sailun ST235/80R16G (14 ply) tires on my 2020 Montana 3780RL fifth wheel trailer and they are holding up very well. They have a 65,000 miles, 6 y manufacturer warranty.
Curious how a trailer tire could have a mileage warranty.... there doesn't seem to be an odometer on a camper and if someone changed tow vehicles (very likely in a 6 year period of warranty) how would the tow vehicle's mileage play into it and I am sure not all miles on a tow vehicle are pulling that trailer with the Sailun tires... Just curious.
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