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Old 02-20-2008, 09:29 PM   #1
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I have a 5 year old, 37 foot MH on a Workhorse W-22 chassis. It's time to replace the tires. I currently have Michelin 235/80R 22.5 Radial XRV tires on the MH and they have been working just fine.

However, before shelling out a ton of money, I would like to know what my choices are in regard to using other brand tires that are equivalents to the Michelins. Specifically, what brand names and sizes.

I have asked various local tire companies without getting a straight forward understandable answer. Regretably, I don't know where to get the information on the web.

Does anyone have the answers?
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Old 02-20-2008, 09:29 PM   #2
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I have a 5 year old, 37 foot MH on a Workhorse W-22 chassis. It's time to replace the tires. I currently have Michelin 235/80R 22.5 Radial XRV tires on the MH and they have been working just fine.

However, before shelling out a ton of money, I would like to know what my choices are in regard to using other brand tires that are equivalents to the Michelins. Specifically, what brand names and sizes.

I have asked various local tire companies without getting a straight forward understandable answer. Regretably, I don't know where to get the information on the web.

Does anyone have the answers?
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Old 02-21-2008, 04:07 AM   #3
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If you go to the FIND tab on this page and type in Tire Replacement you will get all the info you can handle.
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Old 02-21-2008, 05:20 AM   #4
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Five years is early to replace tires simply for age - you can safely get at least another year from them. I would replace them early in the 7th year.

Goodyear is the other major brand of RV tire - the Goodyear G670.
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Old 02-21-2008, 05:32 AM   #5
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John,

I just replaced my tires on Tuesday. I did a lot of research by going to each manufactures web site, ie Michelin, Goodyear, and Bridgestone/firestone. I talked to the local truck tire stores and the guys that install and balance the tires. They all said that the goodyear are hard to get balanced and hard to keep balanced. They all liked the Michelin XRV or XZE truck tires. So I went with what was on the my MH orginally, the Michelin XRV 235/80r22.5. Total cost for six tires mounted and spin balanced and Maryland's new 6% sales tax was $2689.53. I did add in a new tire gauge for $12.95 because the three gauges I had all read incorrectly. My little cheap car gauge was the cloeset in reading 85 lbs. The other two were out by 5 lbs, one high, one low.

Edited: My tires were five years old and the front ones had major cracking in the side walls. The inside duals looked fine, the outside ones had some cracking. My MH sits on the north side of my house in the shade and the north side tire was the worst for cracking.

Hope this helps you.
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Old 02-21-2008, 05:36 AM   #6
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You will more than likely need to stick with the original tire size. Increasing or decreasing you tire size will change the effective rear end ratio. Even on a small car going to a larger tire size might mean you have to climb that hill in 3rd or 4th, not 4th or 5th. Of course going down in size will decrease your carring capacity, and I"m sure that is NOT an option.

Be sure you also stay with the same load range or higher (G or H). If have G's (14 ply)and go to an H (16 ply), don't let anyone tell you you can now REDUCE your air pressure.

Any major brand tire will be fine. I would certainly shy away from a cheap tire.....Chinese built. Some, not all, of these plants do not pass quality control inspections.

You paid big bucks for a coach, don't skimp on a tire .
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Old 02-21-2008, 12:32 PM   #7
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Hi John,
I have Michelin XRV on the rear and XZE2+ on the front. Load range is J. After 2 1/2 years, I recommend the XZE2+. These tires have been very smooth riding. After 33K miles they show almost no wear! I have nothing against the XRV tires. The XRV's do show more wear than the XZE2+ tires. If I had to buy tires tomorrow, I buy the XZE2+ Michelin tires.
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Old 02-21-2008, 05:41 PM   #8
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Thanks everyone for your thoughts on the subject. Based on all your inputs, I decided to replace my Michelins with Michelins.

I'm in the Rio Grande Valley of south Texas. I got a quote from Camping World for $481.00 a tire, a quote from a local tire store for $407.00 a tire, and another quote from a local store for $408.00 a tire. All of them included balancing.

I bought six new tires today, will have them put on next month.
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Old 02-21-2008, 05:44 PM   #9
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I just replaced mine, had XZE's kept XZE's, but went a load range higher.

I decided to stay with Michelin because my last ones provided excellent service, and have always had good luck with Michelin, though I do not want to discount any other major brand name. I personally would be uncomfortable with a non-major name, just from a service standpoint. We are full-timers, and need to have the confidence if I have a problem my make and model tire is available in almost any city.

A good friend had 235/80R 22.5's, and in talking with his tire dealer, he decided to go with the XZE over the XRV because of availability. According to that dealer, the XRV is only made certain times of the year, and the supply dries up. The XZE is a very common medium duty truck tire, and most all dealers stock them all the time.

We went with a higher load range, in the same size. I did this for two reasons. My tires were 275/80R 22.5's LRG's. This is NOT a common tire, the H is used a Many OTR trucks, and is common. The other big reason is ride quality. Using a higher load range I can reduce my air pressure about 15 lbs and still have a huge safety margin. The stiffer sidewall keeps the handling, and less pressure allows for a bit better ride. I am still over the Winnebago posted air pressures, but using those pressures, I was under-inflated with eh LRG tires according to Michelin's load/inflation charts and my weights. Yes, I am loaded within the recommended Front, Rear, and GVW rating for the vehicle.

Tom and Patty you said "don't let anyone tell you you can now REDUCE your air pressure."

I think that statement needs to be clarified. One needs to understand the weight of his/her coach at each wheel position, and understand the inflation table provided by the tire vendor. certainly am not recommending that someone run around on under inflated tires, but one of the biggest reason to go with a higher load range is to better the ride, and you will do this with less pressure in the tire. This assumes of course the MFG installed the correct load range tires and you are within those load limits.

Moving on to 5 year tires, I agree it might be a bit early to invest in new tires. I would have the looked at by a Michelin Dealer, as recommended by Michelin on their website. I replaced mine at 7 1/2 years. My tires looked pretty good, only showing the first signs of weathering. I didn't want to spend the money, but the piece of mind is priceless, though, if it was sooner than that, I would have been more hesitant.

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Old 02-21-2008, 08:21 PM   #10
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John,

I learned someting today.

It looks like the XZE in that size is one of the few that WILL allow you to reduce pressure. If you look at the 225/70R19.5 and 10R22.5 of different load ranges, they carry the SAME weight at the same air pressure. I don't know why Michelin XZE 275/80R22.5 has a difference. The tire size is the same, hence the volume of air contained in the tire is the same. If you let all of the air out of the G and the H load range, both tires will hold up nothing. So the higher air pressure is what carries a higher load. Bridgestones carry the same weight at the same PSI no matter if it is a G or H.

Time for me to call Michelin and Bridgestone, because the physics just don't add up.

I will email Bridgestone and ask for an answer to this. When I get it I will post it here.

However, I will stand by my comment, don't lower your air pressure when you increase the load range of the same size tire. JMHEO.
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Old 02-22-2008, 12:50 AM   #11
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just a quickie on the xze tires. anybody that is planning purchasing soon should contact michelin as the new replacement for that tire is tne xze-2 wich is becoming available as we speak. a hair wider and a new tread design. our 275/80/22.5's have been on order for 2 weeks, my dealer said they will be in by early march!
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Old 02-22-2008, 04:22 AM   #12
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Jim, it was my understanding that the XZE will not be discontinued, the XZE-2 was brought out as an additional product and offers more size's, where the XZE is limited in sizes offering. I could be wrong, but that is what I got from the Michelin rep here in STL.

Tom, You are correct, some models the pressure is the same at certain loads, and the higher load range gives you a broader weight capcity, however that is not the case for the 275/80R 22.5 or several other models. In either case the best way to know is to study the inflation chart and fill to the recommended pressure for the weight on each wheel position.

http://www.michelinrvtires.com/michelinrv/tires-retread...inflation-tables.jsp


It's not solely air pressure that holds a tire up. It is actually the sidewall, and to be specific, the air pressure holds the sidewall stiff so the sidewall can support the edge of the rim. Stronger sidewall, it can handle more stress. Which is why an LRG is commonly referred to as a 14 ply tire, and an LRH is commonly referred to as a 16 ply tire. More Plys=More strength.


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Old 02-22-2008, 05:05 AM   #13
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john, i'm relaying what customer service told me. i think what would be interesting for both of us to call them again and address this issue!
i'll call sometime monday and post it monday!
i hear what your saying. its amazing how we can get different info from the same source but as we all know it happens! thanks for your input.
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Old 02-22-2008, 08:15 AM   #14
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Check at COSTCO. they have Michelin XZA-1B 275/80/R22.5 LRG for $365.99 each. Michelin XTE 275/80/R22.5 LRG for $309.99 each. Both prices includes mounting, balancing, and Nitrogen.
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