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Old 09-20-2021, 03:48 PM   #101
Camp CA
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Originally Posted by bcrvman View Post
Wow, thats quick, Goodyear and Sailun are good for 7 years. They age out before you ever can put enough miles on them.
New tires are cheap insurance, since the tires are not protected from the hot California sun during storage and espeacially when towing up to the trailer's 16,6000 lbs GVWR.
 
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Old 09-21-2021, 03:19 PM   #102
prndl
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Originally Posted by bleedmichigan View Post
Looks like some strange inner tire wear considering the little s shape in the shoulder treads is missing on one side. The tire definitely failed but perhaps it’s more than just tire failure that caused the tread to separate.
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Now those are really worn tires!! How many miles are on those tires? I plan to replace my ST235/80R16 TL F ROAD MAX ST's after 3 years or 10,000 miles and will look for the best I can purchase for my fifth wheel trailer.
My Sailuns were that worn after 15000 miles. They now have 19000 miles and are dated out (2016). If yours wore at the outer edges like that in only 2000 miles especially on the one side I don't think it's the tire but alignment or tire pressure.
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Old 09-21-2021, 06:09 PM   #103
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I have followed discussions for years about Goodyear and Sailun Tires. Always trying to learn and improve my next tire purchase, which is in the Spring. But I am stubborn on my Maxxis tires. Been using the brand for 15 years without a problem. Being made in Thailand, not too bad. They use to be the going vibe on all forums. Am I missing something, or why are they not mentioned much?
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Old 09-21-2021, 07:00 PM   #104
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James, My Montana 3402rl came with E rated Maxxis and after our first 2000 mile trip all four tires on the ground had separating plies. I replaced them with Sailuns. Maxxis may hold up fine on the High Country but I don't think any E rated will on a Montana.
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Old 09-22-2021, 07:33 AM   #105
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Few things, first does anyone know the stud size on my 2018 3920…? Ordering boar wheels and 19.5 commercial tires (5) but need the stud size. Currently my unit is getting a rhino roof and won’t be back for about 2 weeks.

Lastly, the failure rate is increasing. On here but especially on the FB page, and that’s just those of us that post about it. I did get an update on my 2 that blew. 1 made it to Canada and the other is in transit, by now I would hope the second tire has arrived too. When I asked about reimbursement for the tires and even reimbursement for the damage (which I already fixed) they stated it depended on the outcome. My question was these have a seven year warranty what’s the hold up on the reimbursement for the new tires. I got the run around. Also asked about who is inspecting the tires to make the determination of failure. Would it be you or an independent company…. At that point that was the last I heard from them…..

Everyone with a failure contact nhtsa and file a complaint. I’m spending 3300.00 for new wheels and tires in the hope I never need to do this crap again….. sailun made in China good. Sailun made in Vietnam crap !!

Tony
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Old 09-22-2021, 08:01 AM   #106
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For the lug nut stud size, have a look at the lug nut.
It is stamped on mine. 1/2.
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Old 09-22-2021, 08:06 AM   #107
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For the lug nut stud size, have a look at the lug nut.
It is stamped on mine. 1/2.
what year is yours? I would assume dexter uses all the same on the Montanas....but I hate assuming.


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Old 09-22-2021, 10:42 AM   #108
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Confirmed with boar tire and wheel it is 1/2. 3300.00 out the door for 5 wheels and tires. yikes !!!!
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Old 09-22-2021, 06:38 PM   #109
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I reached out to Sailun's distributor in the USA (TBC). I asked them if they knew about the problems with recent Vietnam produced tires and what options do I have to ensure that I will not have similar issues? I also asked if they can still source 637 trailer series tires that were made in China? (see their response below).

Sadly, I finally convinced my brother to buy Sailuns and his are made in Vietnam with similar date codes to those reported to have failed. I've had great luck with my 2 year old chinese made Sailuns, but will likely not replace them in the future with Sailuns made in Vietnam.


Dear Mr. XXXXX

As previously indicated, we reached out to Sailun with your inquiry. Sailun has indicated that all their specialty trailer tires are fully tested to conform to the U.S. DOT requirements. Uniformity, x-ray, shearography, physical and visual inspections are all part of the quality process at all factories to ensure a quality product is released to the customers.

Should a customer encounter any tire failure with any of the Sailun products, it is always recommended that a full inspection is conducted by a qualified technician, at the place of purchase (if possible), to ensure no damage occurred to the remaining tires before the disabled tire was replaced.

Sailun offers one of the leading Manufacturer’s Warranties in the industry. If a tire that fails due to a defect in workmanship and/or materials within the first 50% of the tread of the tire, will be replaced at no cost; after the first 50% of the tread of the tire, a pro-rated adjustment will be offered. This warranty is for eight (8) years from the date of purchase or down to 2/32nds of tread remaining, whichever happens first. Sailun also offers support in the event that the equipment experiences damage due to Sailun tires.

The most important factors in maintaining the performance reliability of any tire are proper application, air pressure, and frequent inspection. We appreciate your support and interest in the Sailun S637T.

Olga Fraga
Consumer Relations
Tel. (800) 238-6469
Fax (800) 467-4638
Email: ofraga@tbccorp.com
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