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Old 04-19-2009, 09:00 AM   #15
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Gary RVRoamer's Avatar

Join Date: Jan 2000
Location: Silver Springs, FL. USA
Posts: 18,632
There are several models in the X series - X One, XZE, XZA1, XZA2, XZA3, etc.
See them all here:
Michelin North America RV Tires Page
Click on the individual model name to see a page that describes its features and characteristics.

My bottom line on the differences: Not much.

Gary Brinck
Former owner of 2004 American Tradition
Home is in the Ocala Nat'l Forest near Ocala, FL
Summers in Black Mountain, NC
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Old 04-20-2009, 08:45 AM   #16
Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 77
Originally Posted by J Walker View Post
By the way, it takes just one blowout to change thinking on the length of time you keep your tires.

Well, very true, if the blowout is a result of age -

Coincidentally, I went to move the coach yesterday over to the shop to tackle a couple of minor issues and....

Left outside dual tire flat.


I recently had the coach weighed - so, since I had to air up that tire to see if by some miracle it held air now, I finally found the inflation chart for XRV tires, and calculated that I needed 70 psi rear and 75 psi front (both rounded up) at the current light weight of 19,700 lbs. I added 5 psi more each for the anticipated higher weight with clothes and groceries and misc small stuff in the coach, but it's still nowhere near the 105 psi that was in them.

So, I'll see if that tire goes flat again - if it does, maybe Good Sam's road service will make a trip to my house??

One tire was replaced due to a blowout several years ago - I can't immediately find the one with the newest date code. My new plan may be to get another new XRV, put that and the newest "old" one on the front, and consolidate the 4 factory tires to the rear...

- Clay

2004 Winnebago Adventurer 35U/W22 Chassis
2004 Arctic Fox 860 on an '07 Silverado Duramax Dually
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