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Old 10-03-2016, 01:14 PM   #1
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2007 27' Safari FB SE
Hartselle , Alabama
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New shoes for a 27' Safari?

Hi Everyone!!!! …. New Airstream owner and (forum poster) & need advice about tire replacement.

I just purchased a 2007 Safari 27 FB and am going to replace the tires first thing.
She has Goodyear Marathon ST225/75R-15 with DOT MFG code of 21/12, which would put the tires at over 4 yrs old now.

She has a GVWR of 7,600, GVW of 5,647 with axels rated at 3,900.

After reading multiple post on this site…. I was ALL set to purchase 16” rims and put on either Michelin XPS ribs or Duravis R250 LT225/75R-16 tires with E-range 2,680 rated tires for a total of 10,720 max load.

BUT after reading….. now I’m thinking about sticking with the 15” stock rims and going with the Michelin LTX M/S2 XL… rated @ 2,183 lbs ea.
Now on TireRack, I see that Michelin has newer tire the Defender LTX M/S2 XL that is rated @ 2,271 lbs.

I’ve had very good luck with Michelin tires (Truck, Car & 5th wheel camper) in the past and really want to stick with their brand.

ANY comments, input of thoughts would be greatly appreciated!!!!
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Old 10-03-2016, 01:34 PM   #2
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2012 27' Flying Cloud
W , New England
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Welcome. I'm assuming you noticed in all those other threads that the 15" Michelin you're looking at in either model is a P-rated tire. US DOT regulations require you to divide the printed tire load by 1.10 to derive the max permitted load per tire. And they also say you shouldn't load beyond 94% of that derated load.

In my case, I'm using the 15" LTX M/S2 which derated gives me 1985#/tire or 7,960# for the 4 tires in total. My 27FB flying cloud weighs in at 6000# loaded for camping so I consider myself to have plenty of headroom. You would appear to have the same with either choice. You should know that Michelin doesn't recommend using these tires (or even their LT versions in the 16" size) on trailers though the AS factory does it with 16s on many of its trailers these days.

Good luck.
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Old 10-03-2016, 02:13 PM   #3
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I battled the same battle and went back with ST. I chose Carlisle Radial Trail RH tires in D range. They have a speed index of 87 mph. They cost about half what the P rated Michelins did. I am happy with them...I am sure someone will come along and tell me I made a bad choice...lol
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Old 10-11-2016, 04:07 PM   #4
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2004 30' Classic
San Antonio , Texas
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New shoes for a 27' Safari?

Quote:
Originally Posted by joel.bell View Post
Hi Everyone!!!! …. New Airstream owner and (forum poster) & need advice about tire replacement.

I just purchased a 2007 Safari 27 FB and am going to replace the tires first thing.
She has Goodyear Marathon ST225/75R-15 with DOT MFG code of 21/12, which would put the tires at over 4 yrs old now.

She has a GVWR of 7,600, GVW of 5,647 with axels rated at 3,900.

After reading multiple post on this site…. I was ALL set to purchase 16” rims and put on either Michelin XPS ribs or Duravis R250 LT225/75R-16 tires with E-range 2,680 rated tires for a total of 10,720 max load.

BUT after reading….. now I’m thinking about sticking with the 15” stock rims and going with the Michelin LTX M/S2 XL… rated @ 2,183 lbs ea.
Now on TireRack, I see that Michelin has newer tire the Defender LTX M/S2 XL that is rated @ 2,271 lbs.

I’ve had very good luck with Michelin tires (Truck, Car & 5th wheel camper) in the past and really want to stick with their brand.

ANY comments, input of thoughts would be greatly appreciated!!!!

Carlisle has RH tires that are rated almost 600 lbs better that the ltx. The ltx is for a light truck not a trailer. Two different requirements/parameters ergo two differently constructed tires. My Carlisle tires are rated at 2830 lbs.
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Old 11-27-2016, 08:47 PM   #5
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2009 27' FB International
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I'd go with 16" tires and lt e load rated, which is what I did with my 2009 27FB after I had a tread separation on my 15" goodyear marathons. I documented what happened on airforums, but it ended up doing about $5500 dollars worth of damage to my trailer.

I've had 16" e load lt tires on my 27FB since August of 2013 and if I would have to guess I have towed 20,000 miles since, haven't had a problem, and just got back from a 500 mile thanksgiving trip. My brother went with 16" e load tires on his 30 bunkhouse and has had no issues.

I'd go with the 16" e loads, but that's me.
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Old 11-28-2016, 02:01 PM   #6
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2015 27' Flying Cloud
Washington , Washington, D.C.
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To those who use Carlisle tires: where did you get them? After 35,000 miles, my Marathons are looking a little worn.
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Old 11-28-2016, 04:36 PM   #7
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My last one came from Amazon. If I recall correctly, it was $67 with free shipping....I bought it this past summer for the spare.
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Old 11-28-2016, 04:58 PM   #8
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My older, 25' trailer is not as heavy as yours. I have run the 15" Michelins for 9 years now (2 sets) and have been pleased. I have not tried Defenders yet. But I will next spring. Your rated axle load will be close to the max load of 2 of the Defenders when derated for trailer use. But the axle rating will be higher so it will be legal. On my trailer the gross weight is 6800 lbs and the axle rating is 3200. When I am hitched and loaded for travel there is actually only 5600 lbs on the axles.
I would suggest actually weighing the trailer when hitched to see how much load you will be carrying on the tires before making a decision. You would need to do that even if you decide to go with the 16" because then you have to decide how much pressure to run in them.
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