Just for info I ordered set SAILUN 637 G load tires for friend and this size is almost identical in diameter size of the GOODYEAR 614. 30.7 inches so good option to consider

Been using these tires since Apr 2013, not the first problem. I was at a RV show in Florida and found that some new 5th wheels are coming from the manufacture with the Sailun S637 on. They are starting to see the light.

I just got off the phone with someone about these tires and he told me that these are from China (he said all ST's are from China or out of the country) and that yes, the Goodyear G614 are American. He said these were 10 ply compared to GY 14 ply. They both had a five year warranty on them. It's hard to resist the price of these compared to the Goodyears, I'll tell ya that. Not sure I can do it though.Anyone else have any info on the Sailuns?

Me.You can get them in 80 and 85 series - so try to match what you've got already. My guess is that they are taller than average spec due to tread depth.I replaced factory tires with 637s as soon as I bought the trailer. I can tell you that the weight difference was 35lb (factory tire) to 61 lbs (Sailun). Yes, they are from China.Yes, they have a very good reputation.They're imported by TBC Corp who owns a bunch of American tire stores, so they are backed by a real company here in the USA.I'd buy them again in a heartbeat.

Inthecountry wrote:I just got off the phone with someone about these tires and he told me that these are from China (he said all ST's are from China or out of the country) and that yes, the Goodyear G614 are American. He said these were 10 ply compared to GY 14 ply. They both had a five year warranty on them. It's hard to resist the price of these compared to the Goodyears, I'll tell ya that. Not sure I can do it though.Anyone else have any info on the Sailuns?I can assure you the Sailun 637 is 14 ply and in my opinion much stiffer and thicker sidewall than the GY 614. I've installed both and the 637 tires are much more difficult to mount due to sidewalll stiffness

thedoghouse wrote:Inthecountry wrote:I just got off the phone with someone about these tires and he told me that these are from China (he said all ST's are from China or out of the country) and that yes, the Goodyear G614 are American. He said these were 10 ply compared to GY 14 ply. They both had a five year warranty on them. It's hard to resist the price of these compared to the Goodyears, I'll tell ya that. Not sure I can do it though.Anyone else have any info on the Sailuns?I can assure you the Sailun 637 is 14 ply and in my opinion much stiffer and thicker sidewall than the GY 614. I've installed both and the 637 tires are much more difficult to mount due to sidewalll stiffnessYou are correct, I was just coming back to change my mistake. Thank you. They are 14 ply. Are you saying they are harder to mount to the rim? Or to the trailer? I've been researching tires for weeks now and think I'm finally comfortable with the Sailuns. I would be ordering the Sailuns with the rims since I believe my trailer only has the 80 psi and would just sell the other tires/wheels together. Regardless, if the Sailuns don't work out, then I'll at least be set for any other tire at the 110 psi.Again, are you saying that they are harder to mount on the rim, or the trailer itself? My husband will be mounting them on the trailer and I would like to know how many swear words I'll be hearing if that's the case. Thanks

Sailun 637 | Good Sam Community

blofgren
Explorer
Apr 03, 2016
Lantley wrote:
4bearhug wrote:
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.

My older Sailuns are labeled as LT tires and stamped for trailer use only.
The newer Sailuns are now labeled as ST tires. My understanding is that there have been new tariffs put in place on LT tires that Sailun avoids by labeling the tires as ST. The ratings have not changed only the designation.

Exactly right. I bought my Sailuns last year and they are designated as an ST but are exactly the same as the previous version. They now have a 4,080 lb rating which I am well under. We are just waking up the trailer from hibernation and the tires look perfect. I will check the pressures tomorrow but I bet they are at or very close to 100 psi which is what I set them at last year. They truly are a great tire.
fj12ryder
Explorer III
Apr 02, 2016
4bearhug wrote:
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.
I could have put "E" rated LT tires on my toyhauler and been within capacity since I have weighed all wheels and know the individual weights. However I decided to replace the tires with tires rated to the axle capacity of my toyhauler, which has 7,000 lb. axles. In my case it was a simple CYA decision.
RAS43
Explorer III
Apr 02, 2016
4bearhug wrote:
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.

Because most LT tires are "E" rated which equates to 3042lbs. The Sailuns are rated higher (F or G) so they can easily replace the ST tires found on many trailers without losing weight capacity.
Lantley
Nomad
Apr 02, 2016
4bearhug wrote:
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.

My older Sailuns are labeled as LT tires and stamped for trailer use only.
The newer Sailuns are now labeled as ST tires. My understanding is that there have been new tariffs put in place on LT tires that Sailun avoids by labeling the tires as ST. The ratings have not changed only the designation.
Inthecountry
Explorer
Apr 02, 2016
4bearhug wrote:
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.

I personally went with them because of what people said about them as I was researching.

And, from my understanding, these kind of are LT's, but for internatinal shipping they label them ST's. Again, that's what I've read on the internet, and we all know the internet is the Gospel. ;)

But, seriously, I've been very impressed with the reviews. I will come back here at a later date and let you know how my experience went, but, that'll be awhile since they aren't even on my trailer yet.
4bearhug
Explorer
Apr 02, 2016
Not bashing these tires cause I have no personal experience with them, but wondering why not just go with LT tires which are readily available and tested to a higher standard than ST tires? Cost is approximately the same and wear should be better.
Inthecountry
Explorer
Apr 01, 2016
Brewurown wrote:
75 mph

Thank you. I just couldn't find that in writing anywhere. I thought it was that.
Brewurown
Explorer
Apr 01, 2016
75 mph
Inthecountry
Explorer
Apr 01, 2016
Can anyone tell me the speed rate for the Sailuns? Thanks
Jerry_B
Explorer
Apr 01, 2016
I upgraded to H637s three years ago. Now I can cruise at 65 without a death grip on the steering wheel. Bought them online for 132 bucks each.

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