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kimenker

Motorhome Tires Size Change

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I'm looking at all my options for new tires on my 2009 Winnebago Journey 37H I've purchased this last year with 2013 255/80-22.5 Michelin XRV tires on it now. I drove these tire not know to check age when purchased from NC to Vegas this last January. I'm looking at the (3) types of tires sold thru FMCA , Michelin, Hankook and Continental. However both Hankook and Continental only come close to the size I have now in 275/80-22.5. My question is will that size work on my coach?

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The OP mentioned 2013 tires.

17 hours ago, kimenker said:

I'm looking at all my options for new tires on my 2009 Winnebago Journey 37H I've purchased this last year with 2013 255/80-22.5 Michelin XRV tires on it now.

 

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This gets to be like an adult diaper commercial, "It depends". I went to the 275/80-22.5 size from the 255/80's. I don't have a problem but I don't know how much clearance  is on your coach. There isn't that big of difference in the size. You can use this comparison tool to help you see. https://tiresize.com/comparison/

Bill

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On 9/9/2019 at 1:55 PM, kimenker said:

I'm looking at all my options for new tires on my 2009 Winnebago Journey 37H I've purchased this last year with 2013 255/80-22.5 Michelin XRV tires on it now. I drove these tire not know to check age when purchased from NC to Vegas this last January. I'm looking at the (3) types of tires sold thru FMCA , Michelin, Hankook and Continental. However both Hankook and Continental only come close to the size I have now in 275/80-22.5. My question is will that size work on my coach?

One thing we need to know is the actual load on your tires. Load capacity is IMO more important than just tire age. Before you decide what tires to buy you need to load the RV to the heaviest you ever expect to be (Fuel, water, food clothes tools books i.e. everything. Then get "4 corner" weights.  HERE is a worksheet that can help you with the math.

After you learn the weight on the heavy end of each axle feel free to contact me directly or post the numbers here. We can then work through the options. You might also check out my RV Tire Safety blog for general info on the "care and feeding" of your tires.

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14 hours ago, tireman9 said:

One thing we need to know is the actual load on your tires. Load capacity is IMO more important than just tire age. Before you decide what tires to buy you need to load the RV to the heaviest you ever expect to be (Fuel, water, food clothes tools books i.e. everything. Then get "4 corner" weights.  HERE is a worksheet that can help you with the math.

Well that is nice if you want to adjust your tire pressure but does nothing to tell you what tire you should buy.  The minimum tire size and load range for that RV is specified by the manufacturer. See the OEM size spec on the placard in the RV. You need to buy tires that meet or exceed those called for by the manufacturer. 

Bill

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On 9/13/2019 at 7:34 PM, WILDEBILL308 said:

Gee it looks just like what I posted 5 replies ago.

Bill

You mean we are supposed to read all the previous posts??😏

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