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02-09-2018, 08:30 AM
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#1
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Senior Member
Join Date: Nov 2014
Location: San Diego
Posts: 122
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Over All Consensus
It’s time for me to change out tires and the information provided on the Internet gets confusing and sometimes argumentative.
My rig is a 2014 Fuzion FZ342 with 2 axles. I still have the factory Trailer King Tires 235/80R 16
My Rims are 6 inch wide and rated at 110 PSI
I do not intend to buy new rims to accommodate the Sailon or the G614.
Is the Goodyear Endurance my next best option??
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02-09-2018, 08:41 AM
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#2
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Senior Member
Join Date: Mar 2014
Location: Mountain Home, Idaho
Posts: 3,012
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For the weight of what you are towing Id have to get the Sailon tires and I would not give two hoots or hollers that the wheels are only six inch. As you stated they are rated for 110 psi and that’s what I’d run with that toy hauler..all metal valve stems as well.. the G614 is nice too but price wise the Sailon would be better.. and I haven’t seen anyone complain about them..
I’d still keep my tow speed between 62 To 65...
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02-09-2018, 08:57 AM
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#3
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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I opted for the GY 614s when we ordered our 16.5k 5er & had no problems with them. When it came time to replace them (approximately 60k miles) I found I could order 17.5" H rated Sailuns with wheels & new lug nuts shipped to my door for less than replacing the 4 GYs, accomplished 2 things, new tires & no more tire worries. So far have about 6-8k miles on them & very pleased with me choice.
I sold the used GYs with wheels & lug nuts for $500 to fellow with much lighter 5er making the swap even cheaper.
Check out Performance Trailer Braking, they also did the disc brake upgrade at my site.
Personally on a toy hauler I wouldn't go less than a G rating which run at 110 psi.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-09-2018, 10:05 AM
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#4
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Senior Member
Join Date: Nov 2014
Location: San Diego
Posts: 122
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Are Sailuns Trailer Tires or LT tires?? This sounds like the most viable option
__________________
Don
2007 F350 Dually
2014 Fuzion FZ342
2015 Harley CVO Limited
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02-09-2018, 12:24 PM
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#5
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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I have them on my trailer, so mine are trailer tires! LOL!
I'm guessing trailer tires, don't think I'd want 16 ply tires on my truck.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-09-2018, 12:55 PM
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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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Carbon 327 - Another +1 vote for Saliun.
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02-09-2018, 02:31 PM
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#8
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Senior Member
Join Date: Aug 2017
Location: Lafayette
Posts: 1,068
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Yes, Sailuns are trailer or ST tires. Came factory on my Raptor in 235/80/R16.
__________________
2015 Ram,3500,Dually,B&W,4.10s,Aisin,Limited,Silver
2018 Raptor,428SP w/full body paint
2012 Harley, Ultra Limited
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02-09-2018, 03:12 PM
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#9
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Senior Member
Join Date: Oct 2014
Location: Germantown, TN
Posts: 6,329
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+1 on the Sailuns. 3 years on the Raptor.
__________________
Jim in Memphis, Wife of 51 years is Brenda
2019 F450 6.7 Powerstroke
2018 Mobile Suites 40RSSA
2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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02-10-2018, 04:52 PM
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#10
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Senior Member
Join Date: Nov 2014
Location: San Diego
Posts: 122
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Okay guys thanks for all the info.
After checking with local tire shops and getting price quotes here is the outcome.
I ordered the Sailun S637t 235/80 R 16 from SimpleTire online. Per many recommendations.
Price was less than $600. Shipped to my door and Discount Tire will Mount and balance for $25. Per. I priced the G614 at Discount Tire and they would have been close to $1500. Installed.
My wheels already gave the steel High Pressure Valve stems which is a plus.
Again thank you for the informative input
__________________
Don
2007 F350 Dually
2014 Fuzion FZ342
2015 Harley CVO Limited
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02-11-2018, 02:32 PM
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#11
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by socalhd
Okay guys thanks for all the info.
After checking with local tire shops and getting price quotes here is the outcome.
I ordered the Sailun S637t 235/80 R 16 from SimpleTire online. Per many recommendations.
Price was less than $600. Shipped to my door and Discount Tire will Mount and balance for $25. Per. I priced the G614 at Discount Tire and they would have been close to $1500. Installed.
My wheels already gave the steel High Pressure Valve stems which is a plus.
Again thank you for the informative input
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Sailun ST tire spec sheet.
Note the rim width.
http://www.sailuntires.ca/images2/637/637st.pdf
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02-11-2018, 02:53 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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"Tires should only be mounted on approved rim widths. If changing tire size, the rim/wheel must have adequate load and inflation pressure capability. For rims/wheels not so identified or for service conditions exceeding the rated capacities, consult the rim/wheel manufacturer to determine the rim/wheel capabilities." (On page 37 it's recommended to consult with the vehicle manufacturer about bead seatings).
+-
See page #33 in the reference below. (Chapter four addresses RV tire fitments and applications).
https://www.ustires.org/sites/defaul...TruckTires.pdf
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02-15-2018, 12:28 PM
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#13
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Senior Member
Join Date: Mar 2017
Location: Auburn
Posts: 319
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Quote:
Originally Posted by CWtheMan
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I contacted the Sailun rep that I got the tire inflation chart from a few months back, asked him about the rim width discrepancy (most of our wheels are 6", Sailun spec sheet indicates 6.5" for s637t tires). Here is his response:
"In regard to your question about wheel width, a 6.5” wheel is recommended, however; the 6.0” and 7.0” wheel width is allowable. There is no risk around the safety of the tire in your application.
There could be a minimal effect on the wear on the outside rib of the tire. The narrower wheel “pulls” the beads of the tire in slightly. This can cause the footprint of the tire to not sit completely flat on the road (shoulders slightly raised off the road). The result is possible irregular wear on the shoulder. This situation is compounded if the inflation pressure is higher than the recommended pressure. It sounds like you have a pretty good handle on your inflation if you are following the chart. Just keep an eye on the shoulder wear. If you see irregular wear start to develop, you may be able to lower the pressure slightly if you have 10 psi of safety built in. Don’t go below the recommended pressure though."
__________________
2002 Ford F350 7.3 Super Duty XLT 4x4 CC LB SRW -- Pullrite Super 5th 16K
2017 Keystone Carbon 337
2022 Honda CRF-450R
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02-15-2018, 12:56 PM
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#14
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Senior Member
Join Date: Aug 2017
Location: Lafayette
Posts: 1,068
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Just as a side note to the tires, Sailun recommends 6.5" wheels on their 235 series tires. I looked on Trekwood rv parts to see if they had wheels and tires for mine which they do but wheels are 6", not 6.5" as per recommendation I seen from Sailun. I guess the 6" must be .50 cheaper so that's why Keystone uses them...lol!
__________________
2015 Ram,3500,Dually,B&W,4.10s,Aisin,Limited,Silver
2018 Raptor,428SP w/full body paint
2012 Harley, Ultra Limited
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02-15-2018, 06:11 PM
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#15
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Senior Member
Join Date: Feb 2017
Location: Dade City
Posts: 1,039
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I am running the "Provider" Tires that came on our Laredo and they are serving us well. ST235/80R16E If at the end of 4 years they are still doing there job I will replace with the same.
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02-18-2018, 03:18 PM
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#16
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Junior Member
Join Date: Feb 2018
Location: Huntington
Posts: 14
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I have seen a lot of posts about tires, the different makes and different ratings. We just bought a 2018 Cougar 25RES and it has trailer king st radials 225/75r15 load E 80 PSI. Can anyone break all of this down for me?
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02-18-2018, 03:23 PM
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#17
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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Quote:
Originally Posted by Oldnavy59
I have seen a lot of posts about tires, the different makes and different ratings. We just bought a 2018 Cougar 25RES and it has trailer king st radials 225/75r15 load E 80 PSI. Can anyone break all of this down for me?
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WAY OVERSIMPLIFIED: Trailer King and Goodyear Marathon , bad. Carlisle, Sailun, Maxxis, good. Goodyear Endurance, probably good (too new on market to know how they wear yet.)
Sent from my SM-N950U using Tapatalk
__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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02-18-2018, 03:27 PM
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#18
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Junior Member
Join Date: Feb 2018
Location: Huntington
Posts: 14
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Are these something that will at least last me for a while? What kind of speed rating?
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02-18-2018, 03:38 PM
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#19
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Site Team
Join Date: Mar 2011
Location: Gaylord
Posts: 26,995
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It seems that on this forum, the general consensus is to get rid of them, the sooner the better. The argument most have is which brand to use as a replacement, but for the most part, we all agree Trailer King is not a brand to trust beyond the driveway....
You may get 10 years of reliable service from them. That's 5 years beyond the recommended "age out" time frame. Then again, you may wind up with $8,000 damage to your trailer on the first trip. It comes down to whether you're willing to gamble or not? Some are lucky, some aren't.... How many lottery tickets do you buy and how often do you win????? That might be an indicator of whether you should trust your TK's..... Then again, maybe your luck will be different...... Too early to tell, eh?
ADDED: As for speed rating, if your tires have no speed rating marking on them, then they are rated at 62MPH, if they have an L the rating is 75MPH and M is 81 MPH. But most of us would advocate to never drive faster than the speed limit and certainly well below the 75 or 81 MPH rating of the tires. After all, a 6000 pound trailer with "magnetic brakes" may not stop as rapidly as you'd need in an emergency.
__________________
John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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02-18-2018, 04:08 PM
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#20
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by MattE303
I contacted the Sailun rep that I got the tire inflation chart from a few months back, asked him about the rim width discrepancy (most of our wheels are 6", Sailun spec sheet indicates 6.5" for s637t tires). Here is his response:
"In regard to your question about wheel width, a 6.5” wheel is recommended, however; the 6.0” and 7.0” wheel width is allowable. There is no risk around the safety of the tire in your application.
There could be a minimal effect on the wear on the outside rib of the tire. The narrower wheel “pulls” the beads of the tire in slightly. This can cause the footprint of the tire to not sit completely flat on the road (shoulders slightly raised off the road). The result is possible irregular wear on the shoulder. This situation is compounded if the inflation pressure is higher than the recommended pressure. It sounds like you have a pretty good handle on your inflation if you are following the chart. Just keep an eye on the shoulder wear. If you see irregular wear start to develop, you may be able to lower the pressure slightly if you have 10 psi of safety built in. Don’t go below the recommended pressure though."
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The normal procedure for rim widths is to establish an acceptable range. It might be 6" - 7.5''. Within the range the tire manufacturer will establish a measuring size. Their tire fitment specs will correspond with the size of the measuring rim. With a single size recommendation such a 6.5" there is no wiggle room. Saying something else is hearsay without a published standard.
When a rim is marked with a single width it's the vehicle manufacturer's responsibility to waver it's uses with any tire fitment that is not a standard fitment for such a rim. That's why the vehicle certification label has basic wheel sizes on it such as 16x6J or 16x6.5J and so forth.
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