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02-28-2017, 07:36 PM
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#21
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Seasoned Camper
Join Date: Sep 2016
Location: Springfield
Posts: 71
M.O.C. #19030
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Thanks, I had no idea, that's why I'm on the forum so that folks can help steer me in the right direction. We started our camping experience in 2013 buying a 30' TT at an auction. After enjoying that for about 6 months we bought a Keystone TT and enjoyed that for about a year until we graduated to the 3711. Needless to say, I have lots to learn. Thanks for your help.
__________________
Carol & Rick (Fur kids - Jack & Daffy)
2016 Montana 3711FL Legacy Edition
2019 Ram Laramie 3500, Crew Cab, 6.7L Cummins, 8' Bed, DRW, 20K Hitch
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02-28-2017, 08:47 PM
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#22
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Montana Fan
Join Date: Oct 2015
Location: R
Posts: 261
M.O.C. #17922
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I got this information from the different tires websites.
Sailun S637
235/80R/16G O.D. 30.8" Single Max. Load LBS.@PSI 4,080@110
235/85R/16G O.D. 31.7" Single Max. Load LBS.@PSI 4,080@110
Goodyear G614
235/85R/16G O.D. 30.7" Single Max. Load LBS.@PSI 3,750@110
Trailer King
235/80R/16E O.D.30.8" Single Max. Load LBS.@PSI 3,520@80
I replaced my 235/80R/16 Trailer Kings with the same size Sailun S637 as they had the same outside diameter.
Hopefully this will help you make your tire decisions when you're worried about height or the spacing between the tires.
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03-01-2017, 09:41 AM
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#23
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Montana Master
Join Date: Jan 2009
Location: Centerville
Posts: 1,350
M.O.C. #9051
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Quote:
Originally Posted by Mr Pachu
I got this information from the different tires websites.
Sailun S637
235/80R/16G O.D. 30.8" Single Max. Load LBS.@PSI 4,080@110
235/85R/16G O.D. 31.7" Single Max. Load LBS.@PSI 4,080@110
Goodyear G614
235/85R/16G O.D. 30.7" Single Max. Load LBS.@PSI 3,750@110
Trailer King
235/80R/16E O.D.30.8" Single Max. Load LBS.@PSI 3,520@80
I replaced my 235/80R/16 Trailer Kings with the same size Sailun S637 as they had the same outside diameter.
Hopefully this will help you make your tire decisions when you're worried about height or the spacing between the tires.
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I chose to go with the bigger tire 235/85/16 , to give me a little more height. No problem with clearance or width between the tires.
If someone does go with the Sailun 235/85/16 over the 235/80/16 OEM or the G614's they will close up the gap by 1 inch , and a 1/2 inch in height.
FYI the Sailun S637 ST 235/85/16 is actually 4400 lb rating @ 110 psi. according to the Sailun website.
On edit. Just looked at the Sailun website, and they do indeed list the ST 235/85/16 ,and the ST 235/80/16 @ 4080 lb rating @ 110 psi. Thats pretty interesting, just went out to verify my rating on my 235/85/16 and they are indeed rated at 4400 @ 110 psi . I knew that ,but it made me wonder.
It appears something has changed since I last looked at the website, and since my Sailuns were manufactured in Sept 2016
And yet on another edit : If you look hard enough you will see on a Sailun website the ST 235/85/16 listed as a S637T, and a rating of 4400 lbs @ 110 psi. Go figure, my tires do have the S637 on them but, not S637T ,but rated at 4400
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03-01-2017, 12:54 PM
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#24
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Montana Fan
Join Date: Jun 2015
Location: Beloit
Posts: 283
M.O.C. #17535
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I put Sailuns on the Monty 353RL. Maybe to clear up some confusion. I could only find 236-85/16's in the S637 here in the states. I did find info on the 235-80/16's but only available in Canada. The weight different of the Sailuns compared to the Trailer Kings was surprising - much heavier. Per this chart the 85 series is .9 inches bigger in diameter or the trailer would stand less than 1/2" higher. So far I like em!
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03-01-2017, 07:08 PM
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#25
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Seasoned Camper
Join Date: Sep 2016
Location: Springfield
Posts: 71
M.O.C. #19030
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Thanks guys for the help, if you couldn't tell from my original post, we're kind of new at this stuff so I don't know much a lot about campers, tires, tire heights, etc, so that's why I ask the stupid questions. Last night after seeing Mr. Pachu's post, I looked up the Sailun site and it was just as you guys have said, they have both the ST 235/80/16 and ST 235/85/16. Unfortunately, I'm not retired yet so when we get the camper out of storage in about a month it will be outfitted with 5 new Sailun ST 235/80/16 tires along with my new TM77 TPMS. Thanks again for the help.
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03-01-2017, 08:28 PM
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#26
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Montana Fan
Join Date: Dec 2016
Location: Lakewood, Wa.
Posts: 188
M.O.C. #19305
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My Rig is going to the shop for it's annual check up tomorrow, in order to keep the Lifetime Warranty in tacked for another year. Immediately afterwards, Sailuns S637 standard tire size (235/80/R16) will be installed on all 5 tires. I also just received the TM77 TPMS, to play with this weekend. All that's left is to get out and start travelling. All the different tire posts have been really helpful in getting to this point. Thanks
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03-03-2017, 10:31 PM
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#27
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New Member
Join Date: Jul 2012
Location: Campbell River
Posts: 2
M.O.C. #12689
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I'm currently looking at replacing the tires on my 2011 Montana fifth wheel. The Sailun website says they require a high capacity wheel. Anyone know if the wheels Montana uses are compatible?
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03-04-2017, 05:30 AM
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#28
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Montana Fan
Join Date: Jan 2017
Location: Holly Springs
Posts: 159
M.O.C. #19394
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Look on the back of the wheel and see if it is marked for 110 PSI.
__________________
2017 3950BR
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03-04-2017, 09:22 AM
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#29
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Montana Fan
Join Date: Sep 2016
Location: West Melbourne
Posts: 310
M.O.C. #18980
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I just got back from having 5 Sailuns installed, 235/80/16. $869. On my last trip I had one original tire with 2100 miles separate and tear up the fender and skirt. The tire tech said I had another on the other side separating, ready to come apart.
__________________
Butch and Kathy
2016 3160RL Legacy, Sailun S637, Centramatic Balancers, 2-T105s, Amish Refrigeration, ARPrv, SoftStartRV, FlexArmor roof
2016 F350 6.7L SRW
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03-04-2017, 09:36 AM
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#30
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Seasoned Camper
Join Date: Sep 2016
Location: Springfield
Posts: 71
M.O.C. #19030
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Scary, we've been really lucky to not have problems with trailer king tires to date, we probably have 4,500 miles on them. I should've joined the forum and read the posts back when we bought the camper (2015) and replaced the tires then. Hopefully, when we get our camper back from the dealer next month, we can make it to the tire installer without problems.
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03-04-2017, 12:57 PM
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#31
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Montana Fan
Join Date: Feb 2014
Location: Winnipeg
Posts: 210
M.O.C. #14048
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Can someone provide more specifics as to where the "stamp" is on the back of the wheel. I crawled under the trailer to look and couldn't see anything.
We have a 2015 Mountaineer and not sure if the Mountaineers (lighter than full Montana's) come with the rims to handle the 110PSI.
We have run Trailer Kings for 20,000 miles and want to Upgrade the tires to Saluins this summer.
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03-04-2017, 01:03 PM
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#32
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Montana Fan
Join Date: Feb 2014
Location: Winnipeg
Posts: 210
M.O.C. #14048
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Quote:
Originally Posted by Rick G
You guys almost have me sold on the Sailun tires, but what about the height difference of the camper. We measured the height of ours, it's 13' 1", Keystone specs say 13' 5" so if I buy the Sailun tires does it raise the height of my camper by 2" because the Sailuns are 2" taller than the OEM tires? The G614's are only an inch taller so it adds 1" to the camper height? I'm comfortable going under 13' 5" underpasses with 13' 2" height (G614's), but I don't think I'd be comfortable with 13' 3". Thoughts?
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One thing to keep in mind is that while the higher tires might raise the middle to back of the trailer in height the nose is still firmly hooked up to the truck whose height hasn't changed.
In our case we ride nose high with the highest point on the trailer being the front A/C. I'm thinking that even if I go with the higher tires the A/C height won't change and in fact the trailer should be more level.
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03-04-2017, 03:06 PM
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#33
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Montana Master
Join Date: Aug 2015
Location: SWFL
Posts: 964
M.O.C. #17801
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Just paid $640.09 for Sailun 235/85R16 from Simple Tire shipped to an installer near me in SWFL. Installer quoted me $80 to mount and balance, all of which appears very reasonable. I'll try to weigh the TK tires and Sailuns, and post some photos showing measurements and flimsy TK sidewalls.
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03-04-2017, 06:31 PM
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#34
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Seasoned Camper
Join Date: Sep 2016
Location: Springfield
Posts: 71
M.O.C. #19030
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Charli, you're right, I didn't even consider the point of my measurement. I measured top of the front AC unit, it was 13' 1" so adding a 1/2" or even an inch at measurement above the wheels/tires won't make a bit of difference. Thanks for your help.
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03-04-2017, 06:57 PM
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#35
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Montana Fan
Join Date: Jan 2017
Location: Holly Springs
Posts: 159
M.O.C. #19394
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Quote:
Originally Posted by Charli
Can someone provide more specifics as to where the "stamp" is on the back of the wheel. I crawled under the trailer to look and couldn't see anything.
We have a 2015 Mountaineer and not sure if the Mountaineers (lighter than full Montana's) come with the rims to handle the 110PSI.
We have run Trailer Kings for 20,000 miles and want to Upgrade the tires to Saluins this summer.
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Here is an example:
__________________
2017 3950BR
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03-04-2017, 07:03 PM
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#36
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Montana Fan
Join Date: Feb 2014
Location: Winnipeg
Posts: 210
M.O.C. #14048
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Thanks for location for PSI stamp. Will check in th morning
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03-04-2017, 08:45 PM
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#37
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Seasoned Camper
Join Date: Feb 2013
Location: Idaho Falls
Posts: 87
M.O.C. #13238
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I visited Big O Tires this morning and they quoted $1200 for 5 (spare) S637T 235/85/16 ST. That was mounted, balanced, and installed. The question I had was, will the tire fit on a 6" wheel. Sailun specs say 6.5". The dealer told me that 6.5" was optimal but the tire can be mounted .5" either way with no problems. The only thing left is to find the PSI stamp on the wheels. So far, I have not found it. There is a bunch of other stamps like Max load 3040lbs but no max PSI.
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03-04-2017, 09:07 PM
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#38
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,700
M.O.C. #12947
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The max load on our wheels says 3750 lbs and 110 psi, so I'm thinking your wheels are not rated for the 110 psi tires.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-05-2017, 02:57 AM
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#39
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Montana Master
Join Date: Apr 2016
Location: Auburn
Posts: 879
M.O.C. #18474
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Quote:
Originally Posted by Kimo
I visited Big O Tires this morning and they quoted $1200 for 5 (spare) S637T 235/85/16 ST. That was mounted, balanced, and installed. The question I had was, will the tire fit on a 6" wheel. Sailun specs say 6.5". The dealer told me that 6.5" was optimal but the tire can be mounted .5" either way with no problems. The only thing left is to find the PSI stamp on the wheels. So far, I have not found it. There is a bunch of other stamps like Max load 3040lbs but no max PSI.
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Check the Tredit Tire site here http://tredittire.com/wheels and see if they have your wheels and check the specs.
__________________
2020 Montana 3790RD Legacy EditionOnan, TST TPMS, TrailAir pin, Discs,
2013 F350 DRW 4x4 CC LBViair 10007, Ride-Rites, Westin HDx, 12k Smittybilt
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03-05-2017, 05:02 AM
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#40
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Quote:
Originally Posted by Kimo
I visited Big O Tires this morning and they quoted $1200 for 5 (spare) S637T 235/85/16 ST. That was mounted, balanced, and installed. The question I had was, will the tire fit on a 6" wheel. Sailun specs say 6.5". The dealer told me that 6.5" was optimal but the tire can be mounted .5" either way with no problems. The only thing left is to find the PSI stamp on the wheels. So far, I have not found it. There is a bunch of other stamps like Max load 3040lbs but no max PSI.
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I recommend you shop around. $1200 for 5 S637 Sailuns is WAY TOO MUCH!
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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