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09-11-2015, 06:39 AM
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#1
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Member
Join Date: Oct 2014
Location: East Texas
Posts: 49
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Sailun S637 235/85R 16 vs ST235/85R 16
I am shopping for a set of Sailun S637 tires to replace the Keystone OEM tires.
Sailun offers a 235/85R 16 tire and a ST235/85R 16. The only difference I can see, besides the price difference, is the 235/85R 16 has a service description of 124 L (3750) and the ST235/85R 16 has a service description of 129 L (4075).
Anyone bought one ever the other? Why?
__________________
2015 Fuzion 331
2013 Ford F350 6.7L
2012 Harley-Davidson Heritage Softail Classic 103CI
2007 Harley-Davidson Sportster 1200 Low (Wife's)
2016 Harley-Davidson Freewheeler (Wife's)
2015 Polaris Ranger 570 EPS Bronze Mist
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09-11-2015, 08:31 AM
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#2
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Permanent User Ban
Join Date: Jul 2014
Location: Folsom, Ca
Posts: 204
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I just bought the S637's and called it quits. I didn't even know they made an ST tire. I went with then because I wanted to get rid of ST tires. They also call the S637's trailer tires.
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09-11-2015, 10:19 AM
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#3
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Senior Member
Join Date: Jul 2015
Location: Texarkana, TX
Posts: 1,052
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I bought the ST versions. I don't know what the difference is. You can try emailing simpletire and see if they know.
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09-11-2015, 12:12 PM
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#4
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Member
Join Date: Apr 2015
Location: New Mexico
Posts: 43
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Mine are LT...I didn't know they had 2 versions either. I think mine also say "for trailer use" on them.
__________________
2013 Avalanche 345TG
2015 Ram 3500 SRW CTD/Aisin
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09-11-2015, 01:54 PM
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#5
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Member
Join Date: Oct 2014
Location: East Texas
Posts: 49
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Quote:
Originally Posted by dcg9381
I bought the ST versions. I don't know what the difference is. You can try emailing simpletire and see if they know.
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Thanks for the replies.
I called Simpletire and all they could tell me was one is rated for 124 L and the other is rated for 129 L.
__________________
2015 Fuzion 331
2013 Ford F350 6.7L
2012 Harley-Davidson Heritage Softail Classic 103CI
2007 Harley-Davidson Sportster 1200 Low (Wife's)
2016 Harley-Davidson Freewheeler (Wife's)
2015 Polaris Ranger 570 EPS Bronze Mist
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09-11-2015, 05:32 PM
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#6
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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I was at a Camping World today. They were having a mini RV show and had a lot of open trailers to look at. I was drawn to a 41', 2016 Raptor. It's GVWR was listed as 20,000# and it had triple axles rated at 7000# each. I expected to see 17.5" branded tires. Nope, ST235/85R16G rated at 4080" ea. and speed rated at 75 MPH.
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09-12-2015, 05:34 AM
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#7
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Senior Member
Join Date: Jul 2015
Location: Texarkana, TX
Posts: 1,052
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Quote:
Originally Posted by On The Road Again
Thanks for the replies.
I called Simpletire and all they could tell me was one is rated for 124 L and the other is rated for 129 L.
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Apparently that's the load index.
124L = 3527 lbs
129L = 4079 lbs
I can tell you that what I have appears (and weighs) out as a big improvement. To me, these things are simply insurance. I don't want to make an insurance claim over $2-$3k in damage because tire tread separated and tore up the trailer.
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09-12-2015, 05:39 AM
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#8
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Senior Member
Join Date: Jul 2015
Location: Texarkana, TX
Posts: 1,052
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Quote:
Originally Posted by CWtheMan
I was at a Camping World today. They were having a mini RV show and had a lot of open trailers to look at. I was drawn to a 41', 2016 Raptor. It's GVWR was listed as 20,000# and it had triple axles rated at 7000# each. I expected to see 17.5" branded tires. Nope, ST235/85R16G rated at 4080" ea. and speed rated at 75 MPH.
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So that's perfectly legal. 21,000 lbs of axle and 24,480 lbs of tire. As some of that weight is distributed on the pin, that's a better margin that is on many trailers.
Same answer for me though - I just don't trust those tires to be built in a consistent fashion and not degrade substantially in the first couple of years.
It would be nice to see wheel/tire options...
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09-12-2015, 09:38 AM
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#9
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by dcg9381
Apparently that's the load index.
124L = 3527 lbs
129L = 4079 lbs
I can tell you that what I have appears (and weighs) out as a big improvement. To me, these things are simply insurance. I don't want to make an insurance claim over $2-$3k in damage because tire tread separated and tore up the trailer.
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In this case the load index (4079#) is very close to the load range letter G (4080#). Both are depicted on the tire sidewall. Currently, the load range letter is the the only official tire load capacity recognition for all LT & ST tires..
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09-14-2015, 05:37 AM
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#10
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Senior Member
Join Date: Oct 2010
Posts: 174
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curious too
i went right to the source, and:
from charlie he stated:
'126 and 129 are load range. There is not much difference. They are almost same.'
that's it. they both are named the same, Sailun: S637 Regional Trailer and one is about $132 and the other $151. go figure.
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09-14-2015, 06:31 AM
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#11
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Senior Member
Join Date: Mar 2014
Location: Las Cruces
Posts: 4,665
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Quote:
Originally Posted by CWtheMan
I was at a Camping World today. They were having a mini RV show and had a lot of open trailers to look at. I was drawn to a 41', 2016 Raptor. It's GVWR was listed as 20,000# and it had triple axles rated at 7000# each. I expected to see 17.5" branded tires. Nope, ST235/85R16G rated at 4080" ea. and speed rated at 75 MPH.
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Just curious if you remember what brand the tires were. So far when I've seen G rated OE tires they have all been Goodyear.
__________________
Brent
2013 Alpine 3500RE
2019 Silverado 2500HD Duramax
U.S. Air Force Retired (25 yrs)
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09-14-2015, 12:25 PM
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#12
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by bsmith0404
Just curious if you remember what brand the tires were. So far when I've seen G rated OE tires they have all been Goodyear.
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The name brand was a letter number combo. Another new off shore tire I'm sure. I was there with others and didn't have time to do a closer inspection other than the service and load ratings off the individual tire I was looking at.
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