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Old 07-31-2016, 08:14 AM   #1
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Tire size - Alumascape

Inherited a 2001 Alumascape 30SKS fifth wheel, but must travel 1100 miles each way to bring it home. Here's my dilemma - Was informed tires were original, and trailer has been setting for 2 1/2 years. However, tire size now installed is LT225/75R16. I don't think it came with LT tires from the factory, & I don't think that tire is big enough. I'd like to arrange for a new set of tires to be in stock, & installed by a local tire co. when I get there to pick it up, since I must make it a fast turn-around. Can anyone tell me what size tire came originally, load range, bolt pattern etc? Any help would be appreciated.

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Old 07-31-2016, 11:19 AM   #2
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Did you give any thought to 'not taking it' like I do not want it? The value can not be very much.

If you really want this thing you will need to have tires ready to go. Maybe call Tire Rack to see what they tell you about good 16" trailer tires.

I would recommend LT tires - Michelin XPS Ribs but they are going to be expensive. The other tire that has been good is the Maxxis tire.

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Old 07-31-2016, 04:16 PM   #3
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Brochure has specs. listed
I'd put Sailun on it. We've had them drop shipped and Les Schwab install them before.
ST235/80R16 LRG 14 PR Sailun S637 Radial Trailer Tire

Good luck.
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Old 07-31-2016, 05:43 PM   #4
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We had friends with an '01 Alumascape and it came with 15" tires on it which they also changed to 16".
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Old 07-31-2016, 07:18 PM   #5
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Alumascape is a quality made 5 th wheel . Take it and upgrade the interior , they are worth keeping.
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Old 08-01-2016, 09:35 AM   #6
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Thanks for the input

I really gave a lot thought to not taking it, but I was there in July and looked it over good, and think it's worth going after. Unfortunately, I had my existing 5er there at the time, and couldn't tow them both. Would like to work out something with a local tire dealer there to have tires in stock ready to mount when get there. Gonna have to be a fast turn around. Scheduled to have a hip replaced as soon as I get back.
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Old 08-01-2016, 09:03 PM   #7
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The clicky for the 30sks shows a 11500 GVWR with 5200 lb axles. The trailer may have 2000-2200 lbs of hitch weight which leaves around 9300 lb on the axles or 2325 lbs per tire.

A LT225/75-16 E has 2680 lbs of capacity and has plenty of capacity .
Four of them gives you 10700 lbs which is well above the trailer 5200 lb axles.

The trailer has been sitting for 2 1/2 years but you have no idea how old the tires are.

You sure don't need a 4080 lb rated S637 Sailun on that size trailer. And I sure wouldn't put a ST tire on any trailer if LTs were available.

If it was me I would call tire dealers in that area and arrange for a set of same LT225/75-16 E to be on hand.

Tops in that size 16" tires would be the all steel carcass commercial grade Michelin XPS Rib or the Bridgestone Duravis R-250.

Several poly carcass tires like the ...
Firestone Transforce HT..
BFG Commercial T/A 2...
Cooper Discover HT-3..
Goodyear Wrangler HT..
Bridgestone Duravis R500 HD

Tires above have been recommended by the mfg for using on trailers per email and 1-800 calls.

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