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Old 12-13-2015, 08:13 AM   #43
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Originally Posted by franklyfrank View Post
To complete my story:
We were on the way to Disney last May. The trailer had the original nightmare ST GY Marathons. with aprox. 12,000 miles. I have tire monitoring system however in a blowout due to thread separation they are useless I found. I just scanned the monitor, looked up at the road and boom. Damage to the trailer $ 9,300.00. Add to that the time and hassle involved it became a nightmare.
I put the Michelin on, which I was planning on to do the next season anyway, and haven't looked back. The biggest pleasure with the Michelins is that I seldom have to adjust the air pressure. I check them religiously, having gotten into the habit with crapola brand.
And yes, it is irresponsible of AS to install those cheap unreliable tires on these expensive trailers. Had I been informed and given the option I would have paid the extra money in a heartbeat.
PS: The Michelin tire " DOES NOT FIT IN THE SPARE TIRE RACK", talk about a idiotic design. So I had to trade the Michelin spare I also bought for an ST tire.
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Old 12-13-2015, 10:49 AM   #44
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Thanks. Just ordered 4 of these.


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Old 12-13-2015, 07:31 PM   #45
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The spare tire rack can be bent a bit to accommodate a bigger wheel and tyre.


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Old 12-14-2015, 03:28 AM   #46
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The 2013 25FB required a slight outward bend of the two vertical support arms on the tire support bracket since the 15" Michelin was about 0.6" larger in diameter than the stock 15" GYM ST tire. The bigger challenge was the securing of the latch and pin as the Michelin was slightly wider in cross section.

I had no issues getting the 16" Michelin on the tire carrier on the Classic and that tire was nearly an inch larger in diameter and a slightly wider cross section than the 15" GYM ST tire.

The 23D required we fabricate a completely new carrier going from 14" GYM ST tires to the 15" Michelins that were 2.2" larger in diameter and had a wider cross section.
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Old 12-14-2015, 06:35 AM   #47
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I put these defenders on my Tundra a few weeks ago. The Autotire store near me said that they were replacing the older LTX M/S version for SUVs and. Pickups. We are only pulling a 23FB with the Tundra, so load isn't a consideration for me.
The newer tire vs the old, which he still had a few out on display, shows a much deeper groove between the treads. The older LTX were 50 or 60 thousand mile tires, I believe the newer defenders were 70,000. (My memory isn't as sharp as it used to be.)
Just a FYI, it transformed the truck. The ride vs the older Dunlops that were on it (OEM) is amazing. The Michelins must have a softer sidewall to change the ride that much. I'd have switched earlier if I would have known it was going to smooth out the ride this much.
(Hope this is still a bit, on topic.)
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Old 12-14-2015, 06:53 AM   #48
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Quote:
Originally Posted by GettinAway View Post
Just a FYI, it transformed the truck. The ride vs the older Dunlops that were on it (OEM) is amazing. The Michelins must have a softer sidewall to change the ride that much. I'd have switched earlier if I would have known it was going to smooth out the ride this much.
Jeff
One thing to remember is that older tires are going to ride much stiffer than a newer tire as the rubber gets harder with age. I just took off a half worn out/aged out set of Michelins off my truck and replaced with some Firestone Transforce At's - of course the ride is better, the new tires balanced well and there is not vibrations etc...... I'm sure this change in time.....

It's too bad the Michelin Defenders couldn't have just a little more weight rating so I could use them on my Classic 30 - I just don't feel there is enough weight margin.
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Old 12-14-2015, 09:02 AM   #49
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The literature empty weight of our 2014 Classic model 30 is listed as 7,365 pounds empty. This empty weight exceeds the GVW of our 25FB which was 7,300 pounds that had four Michelin LTX (P) 235/75R15 XL tires installed. The 25FB tire load was around 5,850 pounds camping ready.

Just filling the 54 gallon water tank and the two 40 pound propane tanks brings the Classic weight to about 7,890 pounds. Four 15" Michelin LTX (P) 235/75R15 XL tires have a maximum derated load capacity of 7,940 pounds. That is not much tire weight capacity remaining for the typical food and stuff most folks carry when ready for camping.

I have weighed our Classic ready for camping and the axles were supporting 8,160 pounds. The four Michelin LT225/75R16/E LTX M/S2 tires have a load capacity of 10,720 pounds. The 16" tires are not overloaded.

Perhaps the 15" Michelin tires would work fine with the older and lighter narrow body two axle Classics. They would be adequate for the recent tri-axle 34' Classics with a 11,500 pound GVW.
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Old 12-14-2015, 09:46 AM   #50
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Quote:
Originally Posted by franklyfrank View Post
To complete my story:
We were on the way to Disney last May. The trailer had the original nightmare ST GY Marathons. with aprox. 12,000 miles. I have tire monitoring system however in a blowout due to thread separation they are useless I found. I just scanned the monitor, looked up at the road and boom. Damage to the trailer $ 9,300.00. Add to that the time and hassle involved it became a nightmare.
I put the Michelin on, which I was planning on to do the next season anyway, and haven't looked back. The biggest pleasure with the Michelins is that I seldom have to adjust the air pressure. I check them religiously, having gotten into the habit with crapola brand.
You are correct that Tire Pressure Monitor System will not detect or warn of a tread/belt separation.
I addressed how do do a good job of tire inspection in my RV Tire Safety blog post of July 21. Belt/tread separations are a smaller % of the reason for a catastrophic tire failure and you can further decrease the potential of a tire failure by checking for the external signs of an internal structural failure which usually leave visible signs that can be seen with a thorough inspection.
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Old 12-14-2015, 12:55 PM   #51
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Originally Posted by Tireman9 View Post
Just wondering, Did all you AS owners get a print-out with the individual tire loads or is the idea that AS actually runs all units across a set of scales just a hope?
Also have to wonder what anyone thinks the value is of weighing an empty TT?
With a caveat (I don't know what I don't know):

My trailer has a sticker that says "The factory manufactured weight of this trailer is 6,151 lbs."

Since I have two AC units as an option, I sort of hope this is true, and that they either weighed the trailer, or they have weighed at least one trailer with a set of options like mine.

As to the usefulness, I'm not sure, really. Seems that I would need to pick a tire based on the trailer GVWR / GAWR anyway? In my case, that is 7,600 lbs (per the sticker GVWR) or 3,800 lbs GAWR per axle or 1,900 lbs per tire...correct?
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Old 12-14-2015, 02:28 PM   #52
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Quote:
Originally Posted by Tireman9 View Post
Just wondering, Did all you AS owners get a print-out with the individual tire loads or is the idea that AS actually runs all units across a set of scales just a hope?
Also have to wonder what anyone thinks the value is of weighing an empty TT?
I don't think I have a piece of paper with the weight of my 2013 model. But I did take note of a post on Airforums a few months ago, where someone took their trailer to Jackson Center for some mods. The crew at JC gave them the weights after the mods, plus the weights at the time of manufacture. The weights were for each side, not each wheel.
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Old 12-14-2015, 04:16 PM   #53
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All these letters and numbers are making me dizzy. But that's sorta my normal state anyway.

Does anybody know what load range this tire equates to? I have Maxxis 8008's on my '73 now and will need to change them out over the winter. Eight years old but low miles. No issues with these tires (yet) but I would LOVE to step up to Michelins.

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Old 12-14-2015, 04:37 PM   #54
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My maxxis has load range e listed on the side. They also make a load range d in the same tire.
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Old 12-14-2015, 06:14 PM   #55
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Quote:
Originally Posted by Llando88 View Post
Seems that I would need to pick a tire based on the trailer GVWR / GAWR anyway? In my case, that is 7,600 lbs (per the sticker GVWR) or 3,800 lbs GAWR per axle or 1,900 lbs per tire...correct?

Yes, in general you should buy tires that will support the trailer's GVWR. A bit of buffer is also important, as at least one wheel will be heavier than the others.
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Old 12-14-2015, 08:13 PM   #56
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Quote:
Originally Posted by Jim & Susan View Post
All these letters and numbers are making me dizzy. But that's sorta my normal state anyway.

Does anybody know what load range this tire equates to? I have Maxxis 8008's on my '73 now and will need to change them out over the winter. Eight years old but low miles. No issues with these tires (yet) but I would LOVE to step up to Michelins.

Jim.

Crickets so far.......I was curious about the Load Range rating on the new Michelins the OP is talking about. Anybody?

Jim
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