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Old 08-29-2016, 10:40 AM   #1
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Is there a better tire available for large Class C's ?

For those that get Motorhome Magazine, there was a featured question in the Coach and Powertrain section regarding trying to put a better (stronger, longer lasting) tire than the Michelin LT225/75R16 on a Class C motorhome. The answer given was just the normal: keep them inflated, covered, check the date code, etc.
I sent Ken Freund the following e-mail:

Ken Freund,

Good answer to the highlighted Tire Failure question in the September 2106
Coach and Powertrain.
However, you did not answer the main question that he asked that I would also
like to ask. "Is there a better, stronger tire in the LT 225/75 R16 size that what
Michelin makes"?
Personally, I believe that the heavier, larger class C rigs stretch these tires
to the absolute limit which leads to premature tire failure. Is there a better, stronger
tire in that size available other than the Michelin ?
Thanks.

Haven't heard back from him, but maybe someone on this forum has some input. I'm not looking to change rims, tire size, etc., just curious if there is a better tire in that size?
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Old 08-29-2016, 11:55 AM   #2
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I also have a Sunseeker with the same tires, so I'm curious why you're asking. Are you experiencing any unusual wear or have you had other issues?
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Old 08-29-2016, 12:18 PM   #3
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I also have a Sunseeker with the same tires, so I'm curious why you're asking. Are you experiencing any unusual wear or have you had other issues?
With my last rig, a 29 Coachman w/o slides, I did experience tire failure at about year 5 of the tires. Right on the edge of when they recommend to replace. Now I have a much heavier 3100SS Sunseeker and want to try to avoid a repeat.
My issue is that the tires are run so close to their maximum capacity. Example: My passenger car has tires with capacity of 5,732 lbs. Car weighs 3,500 lb. Tires are carrying only 61% of their capacity. My RV tires have a capacity of 15,240 lbs. and RV is close to it's capacity of 14,500 lbs. Tires are carrying 95% of their capacity. That's cutting it close.

My friend had Michelin tires on his car for 17 years and they didn't fail. He drove the car (show car ) very rarely ( like a motorhome) and kept the tires covered (like a motorhome should). I just feel as though if a person uses his motorhome frequently and maintains the tires, they should not have to be changed every 5 years. This a Florida MH that gets used year round. Maybe if there was a stronger, more durable tire available, they would last longer.
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Old 08-29-2016, 03:39 PM   #4
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One possibility would be to put commercial tires such as the delivery services use. I considered putting Bridgestone Duravis on our Four Winds, but I caved for the Michelin LTX M/S. As it worked out, they were replaced with LTX M/S2 under the recall a few years ago after I'd already put 25K on them, so we scored on a new set which reset the date code. The M/S2 are much better tires than the M/S ones were in the terms of noise, handling and stability. I still wonder if it would have been a better decision to install the Bridgestones.

I see Costco has the Duravis M700 HD's with closed shoulders but an open tread; they used to have a Duravis with a much tigher highway tread that I was considering.

That all said, they all have a load range for a given size, so it doesn't really matter what brand or model you buy. If it's an LT 225/75/16, then the load index is 115.

I still like the idea of a commercial tire... and may purchase something like that when I replace the Generals on the new Sunseeker when the time comes.
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Old 08-29-2016, 09:37 PM   #5
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Old 08-29-2016, 11:53 PM   #6
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Your question reminds me of a problem I had back in the 70's with a truck camper and radial tires. When driving on a freeway, she would wander back and forth just a little, but enough for us to notice. I search everywhere I could (remember no internet in those days). Everything checked out okay on the truck. Finally, I stopped in a large tire store serving only 18 wheeler rigs and large trucks. They recommend that I change the rear tires from radial to "bias ply" tires which had a stiffer side wall than radials had. You know, they were right, and I had no movement for the rest of that camper's life.

Now, to extend my experience on tire questions some 40+ years later, I would suggest finding a really good truck tire store that only services trucks, large trucks. Ask them what they would recommend and see if you can get a good answer from them. They are the professionals and should be able to help.

And, don't forget to let all of us know if you find something out.
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Old 08-30-2016, 12:40 AM   #7
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Quote:
Originally Posted by brucemc View Post
One possibility would be to put commercial tires such as the delivery services use. I considered putting Bridgestone Duravis on our Four Winds, but I caved for the Michelin LTX M/S. As it worked out, they were replaced with LTX M/S2 under the recall a few years ago after I'd already put 25K on them, so we scored on a new set which reset the date code. The M/S2 are much better tires than the M/S ones were in the terms of noise, handling and stability. I still wonder if it would have been a better decision to install the Bridgestones.

I see Costco has the Duravis M700 HD's with closed shoulders but an open tread; they used to have a Duravis with a much tigher highway tread that I was considering.

That all said, they all have a load range for a given size, so it doesn't really matter what brand or model you buy. If it's an LT 225/75/16, then the load index is 115.

I still like the idea of a commercial tire... and may purchase something like that when I replace the Generals on the new Sunseeker when the time comes.
I have the Michelin LTX/MS2 on my truck, I don't think I could find a better tire.
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Old 08-30-2016, 04:41 AM   #8
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Quote:
Originally Posted by ActionJackson View Post
With my last rig, a 29 Coachman w/o slides, I did experience tire failure at about year 5 of the tires. Right on the edge of when they recommend to replace. Now I have a much heavier 3100SS Sunseeker and want to try to avoid a repeat.
My issue is that the tires are run so close to their maximum capacity. Example: My passenger car has tires with capacity of 5,732 lbs. Car weighs 3,500 lb. Tires are carrying only 61% of their capacity. My RV tires have a capacity of 15,240 lbs. and RV is close to it's capacity of 14,500 lbs. Tires are carrying 95% of their capacity. That's cutting it close.

My friend had Michelin tires on his car for 17 years and they didn't fail. He drove the car (show car ) very rarely ( like a motorhome) and kept the tires covered (like a motorhome should). I just feel as though if a person uses his motorhome frequently and maintains the tires, they should not have to be changed every 5 years. This a Florida MH that gets used year round. Maybe if there was a stronger, more durable tire available, they would last longer.
I assume you have the LTX MS2 like I do? According to Tire Rack they are rated for 2680 lbs each x 6 = 16,080 lbs. which would be 90% of capacity in your case.

Capacity means just that plus there's also always a safety factor built in. If you had a tire fail, that happens sometimes and could happen with any tire. Thousands of motorhomes use them w/out failure.

I also believe that no matter what tire you buy they have a life of 6 years (you say 5, I've always read 6). This is due to rubber aging, not capacity. This would be true even on your car. I just replaced a perfect-appearing set of tires on my car that were 7 years old (i was getting nervous).

Now having blabbed out my thoughts I do understand your concern and what you're thinking, however I believe that you'd be better off saving your money or spending it on something else.

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Old 08-30-2016, 05:54 AM   #9
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Following as I want to know also.

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Ditto
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Old 08-30-2016, 09:16 AM   #10
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My bud swears by the Bridgestones. Never a leak or issue.
I will look into them after the 5 year mark.
I am under loaded on my small rig but tires are of utmost importance.
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