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

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Member Title: New tires or run old ones?
Most members recommend replacing the original 2020 Sailun S637 tires before a long tow from northern Wisconsin to Florida, even though they still look new. The main reason is risk reduction: several experienced RVers said older trailer tires can fail despite good tread and no visible dry rot, especially when storage history, inflation habits, towing speed, heat exposure, and prior loading are unknown. A few members noted Sailun is generally considered a solid brand, but that did not outweigh...
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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.
So you have the new Sailun 235/85/16 H rated , gotta be pretty new ?? Haven't been out too long .
 
When we first looked at new tires we wanted Goodyear but way to costly. We have used Suntek in the past but couldn't get them when I decided to change tires.
 
If you don't have the tire pressure and temperature monitoring system, that should be your first purchase. We got the ones that screw onto the valve stem. We had the units that were wrapped around the center of the rim, but the starps failed so to troubleshoot I had to remove the tire from the rim... to big of a pan so we wet with the valve stem type.
 
IMO you got the best tire available , for me it would never be a Goodyear ,and I am guessing the G614's . Not familiar with the Suntek ,actually never heard of them . But I don't pay attention to a lot of tire brands . I know what I want on my truck , and fifth wheel , I stick to them ,and so far not a problem .
 
If you don't have the tire pressure and temperature monitoring system, that should be your first purchase. We got the ones that screw onto the valve stem. We had the units that were wrapped around the center of the rim, but the starps failed so to troubleshoot I had to remove the tire from the rim... to big of a pan so we wet with the valve stem type.

I have run tire monitors on my fifth wheel for years ,would not tow without them .
 
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 .
Hating to waste good tires and create more environmental trash, we found there is a demand for used tire sizes on duel axle construction and agricultural work trailers. Many of the trailers used on job sites need to replace tires that are badly punctured. We place a set of 4 on market place with similar age and within hours recouped the cost of at least one replacement tire while preventing more landfill waste.
 
I replace mine every 4 years, cheap insurance. My brother has replaced his when he thought they were wore enough, two blowouts, lots of damage. I've been happy with my tires
 
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.


Replace them. The positives far outweigh the negatives.

Take a look at my post as this might be of value to you regarding tires...

 

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