Replace 2020 Sailun Trailer Tires Before a Wisconsin to Florida Trip?

[WIMontana]

I bought a used 2021 Montana 2131RL that had what I thought were new tires , I checked the DOT number and was shocker they were manufactured the second week of 2020 . They are obviously the originals but the trailer must have been stored inside almost its entire life with very little miles on them to boot . I bought this trailer from a dealer on consignment and just priced it in to replace tires . My question is that I’m planning a trip in April from Northern WI to Florida, should I just replace the tires no matter what they look like or run them as they look brand spanking new , no dry rot , all the tread etc.
I’m curious to hear all of the opinions , I’m going to ask my mechanics in my shop opinions also.

 

[WIMontana]

These tires are Sailun S637.

 

[Derby6]

I’d run em.

 

[twindman]

I had tires that looked good. I thought they were 3-4 years old. Later found they were 5 1/2 years old but at least one was 6 1/2 years from manufacture date. Two of them blew out within 800 miles. Summer in AZ and WY, so AZ was 110 degrees so that didn't help. I would replace. By the way, damage to trailer was $9500 but my part was just $500.

 

[AZ Traveler]

Replace them - cheap insurance. Also replace the spare even if it hasn't been used.

 

[ChuckS]

Too many unknowns with your Sailun tires .. age is also a factor but not if you knew how they were cared for , mad towing speed they saw and cold psi inflation use when towing

There was also a NHTSA recall on some 2020 Sailuns so I’d be checking the date code on your tires versus the recall

https://static.nhtsa.gov/odi/rcl/2021/RCONL-21T018-8498.pdf

 

[foldbak]

Replace... old tires sitting not rolling = rott! They may have life in them or NOT! Why risk it?

 

[jsb5717]

I'm in the "replace them" camp. That's what I would do for sure before starting any travelling. Sure, it's always a gamble but for me there's just too much at stake to risk older tires.

 

[jasum]

I would replace them. Sailun seem to be good tires, but I do know people that had them blow out.

I replaced mine this year with Goodyear G614. Cost a lot more than Sailuns, but if you have trailer damage Goodyear has always taken care ot that also.

You can always sell your used tires on marketplace, Craigslist etc. I have done that 3 times.

 

[WIMontana]

Excellent advice from you all , I think I’ll replace them all . I don’t need a blowout at 70 mph in the middle of nowhere on a nice chill vacation .

 

[Dhuhn]

I would replace as Zac said cheep insurance

 

[DutchmenSport]

I've had 2 blow-outs now on my Montana High Country 5er since purchasing new. Both blow-outs eventually resulted in getting all 4 new tires. For what it's worth, both blow-outs were the same tire position, but years apart on the same camper.

Blow-outs along a busy interstate is NOT a fun experience, even if you have road-side travel / assistance. My advise ... get new tires. Then you have a new baseline and an element of certainty about the integrity of your tires. Blow-outs are no fun!

I was fortunate to repair my own damage on the wheel well (twice). It's NOT a perfect factory fix, but in order to see the damage and the fixes, one has to look REAL close.

 

[WIMontana]

One of my mechanics said a tire like that blowing has the potential to blowout the camper floor . That sealed the deal for me , I’ll reuse these tires on some small single axle trailers .

 

[buck119fa]

Replace them, sight piece of mind on that upcoming trip. They're about at the point. I had the same concern with ours prior to a trip to FL, just didn't want the concern in the back of my mind, a blow out is always a possibility but new ones mitigate the risk a bit.

 

[BSHGTO]

Replace them because you already have a concern and will not jump every time you hear a bump you can`t identify. Skip the s637 80 series and go to the s637 85 series and never worry about your tires again. They are rated for 400 lbs more each and give you much reserve on carry weigh. You can always sell your old tires on Facebook Marketplace to a farmer for their trailers that don`t go on the road, I sold mine in 2 days for a very good price and this will save money and offset some of the cost of the new ones. Remember, you going to play you gota pay in this game.

 

[PSFORD99]

Replace them because you already have a concern and will not jump every time you hear a bump you can`t identify. Skip the s637 80 series and go to the s637 85 series and never worry about your tires again. They are rated for 400 lbs more each and give you much reserve on carry weigh. You can always sell your old tires on Facebook Marketplace to a farmer for their trailers that don`t go on the road, I sold mine in 2 days for a very good price and this will save money and offset some of the cost of the new ones. Remember, you going to play you gota pay in this game.

Now the Sailuns are H rated , I think that bumped them up 4540 lbs for the 85’s @ 120 psi . My concern , mentioned by a manager at Discount tires , being in there recently getting a set of tires on my boat trailer . He said those tires being H rated , there’s a concern with the rib on these trailer wheels, and being such a stiff tire . Take it for what it’s worth.

 

[John and Barbara]

I bought a used 2021 Montana 2131RL that had what I thought were new tires , I checked the DOT number and was shocker they were manufactured the second week of 2020 . They are obviously the originals but the trailer must have been stored inside almost its entire life with very little miles on them to boot . I bought this trailer from a dealer on consignment and just priced it in to replace tires . My question is that I’m planning a trip in April from Northern WI to Florida, should I just replace the tires no matter what they look like or run them as they look brand spanking new , no dry rot , all the tread etc.
I’m curious to hear all of the opinions , I’m going to ask my mechanics in my shop opinions also.

I used Simple Tire for my replacement Sailuns

 

[jkxtreme]

First question is this...do you have tire pressure and temperature monitors on all the wheels. If you do... take the trailer out for a test drive before your trip. Run for about 50-75 miles and watch the temperature. We had what we thought was good tires but on our first trip the temperature ran at 135 - 150 degrees. They were 'G' rated and after some research found they were right at the limit of their weight rating. Swapped out the tires for 'H' rated and dropped the tempereature down to 95 - 105 degrees.

 

[PSFORD99]

First question is this...do you have tire pressure and temperature monitors on all the wheels. If you do... take the trailer out for a test drive before your trip. Run for about 50-75 miles and watch the temperature. We had what we thought was good tires but on our first trip the temperature ran at 135 - 150 degrees. They were 'G' rated and after some research found they were right at the limit of their weight rating. Swapped out the tires for 'H' rated and dropped the tempereature down to 95 - 105 degrees.

Are you talking about about 16" or 17.5 ? If 17.5 then what brand ? The 16" Sailun H rated have not been out long , and you only gain 140 lbs per tire over the old 235/85/16 Sailun G rated
The old G rated were 4400 lbs. @ 110 psi the new H rated are 4540 @ 120 psi .

 

[jkxtreme]

We have 16" wheels. 140 pounds per tire is 560 pounds for the four of them... so not too shabby.
I also don't run at 120 psi. We run at 100 -105 psi. We reduced the pressure to make sure the wear pattern was even. We tried diferent pressures and settled on the 100 - 105 psi. Our rig weighs right at 17,000 lbs with just under 14,000 pounds on the two axles. We're lookig at purchasing another trailer and the first thig I'll do is change the tires to 'H' rated, even if the trailer is brand new. The second thing will be to add Sumo springs to the axles.