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Old 07-11-2008, 05:37 PM   #1
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OK To Use E Rated Michelins LTX/MS

Michelin has stopped making D rated LT tires. We want to rid ourselves of the Marathons (The problems with them has been done ad nauseum). Also changing our axles for more ground clearance. Will be going to 225/75R16. Can we inflate to 65psi and get the D rated ride. I think this is a safe inflation for our weight. Thanks for the input in advance. 'shaker
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Old 07-11-2008, 05:42 PM   #2
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Michelin has stopped making D rated LT tires. We want to rid ourselves of the Marathons (The problems with them has been done ad nauseum). Also changing our axles for more ground clearance. Will be going to 225/75R16. Can we inflate to 65psi and get the D rated ride. I think this is a safe inflation for our weight. Thanks for the input in advance. 'shaker
I certainly agree, as I've had 16" LT tires on my 19CCD for over a year and 15K towing miles and they ride great! 65PSI gives them a nice, soft ride that is well within the safety limits for the tires.
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Old 07-11-2008, 10:19 PM   #3
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We want to rid ourselves of the Marathons...
hi shaker, how are ya!

been riding those new bikes?

wow, new axles, wheels and tires on a 2 year old trailer?

that seems like an expensive way to replace tires.

have u considered using the maxxis 8008 st in D or E rating?

don't forget, IF u raise the trailer a new (shorter) haha stinger will be needed too...

and check the between tire clearance issue carefully, on these triples the 16s will be very close together...

cheers
2air'
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Old 07-12-2008, 05:22 AM   #4
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Hi Shaker

The "E" tires are pretty stiff for a 34' where you do not have very much weight per axle. 45 PSI would be plenty of pressure in them and you won't have any tire trouble running at that pressure.

If you don't want to purchase wheels you can use Michelin 235/75R x 15" Load Range "C" tires. These are easier on the trailer than the 16" E range. We have run them for years with no reliability issues.

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Old 07-12-2008, 05:51 AM   #5
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Michelin LTX/MS

Given you buy the proper size rims the dimentions of the tire fall within parameters (max OD and Max width on a 6 inch wide rim)of the 7.00-15s originally on my 1984 31 foot Excella.
Just run at the pressure recommended by Airstream for your trailer AND be sure that the recommended pressure is on the Michelin Load/Inflation Chart.
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Old 07-12-2008, 09:09 AM   #6
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I am running Michelin XPS 225 75 16 at 45 psi. The inflation chart for the trailer weight only calls for less than 40 psi but I run a bit high just in case I have to limp home on 5 tires.

Did the axle upgrade 2 yeas ago to 3200 lbs axles for ground clearance, the original 2800s were shot.

By the way these tires are made in Germany. You will have to look very closely to find a tire that is not made in China now.
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Old 07-12-2008, 10:51 AM   #7
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I use the Michelin XPS on my Sprinter van. Probably the BST tire I have used in the last 110,000 miles!
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Old 07-12-2008, 01:43 PM   #8
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Hello 2air,

I think I can answer in the affirmative regarding the bikes. We somehow have ended up with 4. Two 20" wheel bikes to carry on the truck with us (Dahon Ciao) and two 26" wheel to use streamin. ( 1 silver and 1 white Espresso). Figure we will have enough for everyone to ride when the grandchildren are with us so not a waste of $$ in the long run.

RE: Tires and Axles

Getting rid of the Marathons will be a blessing for sure, but that is not the only reasons for the changes. Am wanting the higher ground clearance for boondocking. Also going with 10% increase in axles will increase the weight I can carry. Will be adding solar (four 120W panels plus 8 of the Optima 31) . The increase in axles will compensate for the weight that these and the 2nd ac have added to the unit and not deduct from my ccc.

Of course I have a talented and knowledgeable consultant ( initials D.T.) guiding me on these changes.

Also of great importance to us is to do all of the tweaking and refining to our unit while we are both gainfully employed. I think we will be happy we did this later on.

Happy trails. 'shaker
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Old 10-10-2008, 01:29 AM   #9
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Lewster, you state that you have 16-inch tires on your 2006, 19-foot CCD. I tried putting 225/75x16, Michelin XPS Ribs on our 2005 19-foot Bambi, but Discount Tire couldn't get the wheel & tire into the wheel wells.

Could you please provide the wheel & tire details for the combo that fit on your CCD?

Thanks...
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Old 10-10-2008, 09:28 AM   #10
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Lewster, you state that you have 16-inch tires on your 2006, 19-foot CCD. I tried putting 225/75x16, Michelin XPS Ribs on our 2005 19-foot Bambi, but Discount Tire couldn't get the wheel & tire into the wheel wells.

Could you please provide the wheel & tire details for the combo that fit on your CCD?

Thanks...
Hi Phoenix,

I don't use the Michelin XPS Rib on the 19, rather the BFG Commercial T/A 225/75-16 LRE tires. The XPS Ribs are on my Sprinter tow vehicle.

You need a rim with the exact off-set as the original (zero IIRC), and you need to deflate the tire completely to get it on past the brake drum. You then inflate the tire once it is on the trailer. You will not have any clearence problems!
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Old 10-12-2008, 11:04 PM   #11
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We gave up on the 16-inch wheels and tires and bought 225/75x15 Maxxis LRE tires. They seem alot sturdier than the Marathon we took off the spare rim. The sidewalls are stiffer, and it has an extra nylon ply on the steel radial belts. Also, they are rated a little higher on load. The old Marathon LRD was rated at 2540, the 16-inch LRE XPS Rib was 2680, and the Maxxis LRE is 2800. (This is from memory, so I might be off a little on the numbers.)

Anyway, I think the Maxxis tires are going to work for now; and we'll try the 16-inch wheels again when these wear out. We paid $19/tire for a 3 year free replacement certificate at Discount Tire, which we normally would not do; because I think this is just extra profit for the tire store. However, I suspect that we may be saving some money in the long run if the Maxxis tires don't last any longer than the Marathons.

I probably need more time to research the wheels, too. The ones I originally ordered only came in 7-inch width, so that may have contributed to the 16-inch wheel/tire not fitting. But, they even had trouble getting the 15-inch Maxxis tires into the wheel wells, and they had to deflate those tires, too.

Thanks for the response...
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Old 01-29-2011, 12:49 PM   #12
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In case someone finds this old thread, I finally made the switch to 16-inch wheels and Michelin XPS Ribs. It was expensive, but I wish we had done this earlier. We could have avoided buying three more ST tires and driven worry-free for the past two years.

See update and photos on this link:

http://www.airforums.com/forums/f465/16-wheels-lt-tires-69297-7.html
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