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05-11-2020, 10:53 AM
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#1
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New Member
Join Date: May 2020
Location: Tiffin
Posts: 3
M.O.C. #26219
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RV tires only
Replacing tires on a 3725RL. Tire company trying to sell me an N rated tire... not RV specific. Is this normal?
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05-11-2020, 11:51 AM
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#2
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Montana Master
Join Date: Feb 2005
Location: Haysville
Posts: 4,261
M.O.C. #3085
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I dunno what tire you are specifically talking about. The N rating I'm familiar with is for "speed" not application. Beyond that you'll find a lively discussion brewing for people that go with ST "trailer tires" and others that go with LT "light truck tires". If you have a light enough trailer as I do ... LT tires fill the requirement. I as others have been running them to get away from China Bomb ST's for many years without issue. Goodyear 614's and Sailun 637's are good trailer tires as well.
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05-11-2020, 12:40 PM
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#3
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Get a set of Sailum tires. You can’t go wrong. In years past about the only thing we could get were ST tires made in China hence China Bombs. You understand where the phrase came from. Not only did the tire blow out it took the side of your camper with it. Now more people are using H rated tires and tires are much less problematic. The Sailum have a great reputation and good price, get em.
Lynwood
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05-11-2020, 07:28 PM
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#4
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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 Stick with Sailuns or 614's and you'll be fine.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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05-12-2020, 06:42 AM
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#5
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Montana Fan
Join Date: Jan 2020
Location: Hilliards
Posts: 237
M.O.C. #25636
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Just installed new Sailun 637 on our rig. I have been hard pressed to find anything negative about them. Fair price, and dependability are both there. Safe travels!
__________________
2020 MHC 330RL
2021 F350 DRW 6.7 Powerstroke 
Retired and Rollin'!
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05-12-2020, 07:15 AM
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#6
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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On our second set of Sailun tires. Highly recommend them. Who was the manufacturer of the tires the dealer recommended?
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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05-12-2020, 12:27 PM
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#7
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Montana Master
Join Date: Sep 2017
Location: Tacoma
Posts: 1,567
M.O.C. #20475
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You can,t go wrong with the Sailun tires at all look at reviews.
__________________
Bob & Carol Washington St
2017 HC HM352RL 2018 Dodge 3500 laramie CC LB 4x4
Curt Q25 with puck system, Factory air bags
Happy Trails 
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05-12-2020, 03:49 PM
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#8
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New Member
Join Date: May 2020
Location: Tiffin
Posts: 3
M.O.C. #26219
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Thanks for the help!
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05-12-2020, 08:09 PM
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#9
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Established Member
Join Date: May 2019
Location: Sidney
Posts: 21
M.O.C. #23995
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Sailun tires are made in China
The title says it all, I will pay more for a tire not maid in China....
__________________
2018 330RL
2005 dodge ram 2500
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05-13-2020, 07:28 AM
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#10
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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 CruzinMooses
The title says it all, I will pay more for a tire not maid in China....
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I understand your sentiments on made in China, but you can't buy a better fifth wheel tire then a Sailun. Its unfortunate thats where it is made, but its a quality tire that many run on their fifth wheels. Anyone thats taken the time ,and educated themselves on tires know about Sailuns .
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05-13-2020, 08:08 AM
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#11
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,658
M.O.C. #9969
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Search and you can find loads of Goodyear tire failures, myself for one, but you will be hard pressed to find a Sailun failure other than one or two road hazard failures.
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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05-13-2020, 12:24 PM
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#12
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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 mhs4771
Search and you can find loads of Goodyear tire failures, myself for one, but you will be hard pressed to find a Sailun failure other than one or two road hazard failures.
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I was a victim of a road hazard ,and one that reported here on the forum. Yes I will stick to Sailuns. Not a fan of Goodyear .
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06-02-2020, 12:06 PM
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#13
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Montana Fan
Join Date: Nov 2010
Location: Terrell
Posts: 353
M.O.C. #10881
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was that a G614?
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06-03-2020, 12:12 AM
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#14
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Montana Master
Join Date: Jan 2015
Location: Taylors
Posts: 562
M.O.C. #15948
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Attn: Anatnom and others this msg. may affect.
Being in the quarantine mode I have oodles of time to ponder tire situations. I’ve been writing about RV trailer tires for about 16 years. I belong to a half dozen trailer forums or those that have trailers. I use other nick names in some of them. I first joined here as FastEagle but was dismissed because I didn’t own a Montana. Later when that membership rule was modified we rejoined. We have a 38’ Everest which is very similar to the Montana and built by Keystone. Back in its “hay-day” it was one of the largest Keystone fivers being built.
Anyhow, the original tires on our trailer got me into researching ST tires. Why? Within the first year we lost every one of the OE tires to tread separations. Why? We exceeded their speed restriction & they were always close to being overloaded, in fact we probably always had at least one tire position extremely overloaded. Their speed restriction was 65 MPH. The tires were rated at 3000# and the axles were vehicle certified at 6000#. They were USA built GY Marathons.
The ST235/80R16 LRE has been manufactured with three different maximum load capacities; 3420#, 3500# and 3520#. The GY Marathons and the new GY Endurance in that designated size and load range has a maximum load capacity of 3420# at 80 PSI. It’s always been a problem tire for Keystone or others that want (ed) to use them on 7000# axles. Keystone, like all other trailer manufacturers, quickly found-out that they would have to recall any of those GY tires installed on 7000# vehicle certified axles.
That brings me to ANATNOM’s situation. Because trailer manufacturers have the authority to set GAWR values, they solved their GY LRE Marathon tires on 7000# axles by devaluating the axles to 6750# and certified them at that value. Still they didn’t have hardly any load capacity reserves and would surely fail earlier than expected, especially when operating at the certified GAWRs maximum load capacity.
Fast forward. RVIA, with all their wisdom, mandated a minimum tire load capacity reserve recommendation (10%) for all participation members – about 98 % of the RV trailer manufacturers.
Bottom line; The minimum acceptable load capacity for vehicle certified 6750# GAWR axles is about 3715#. None of the ST235/80R16 or ST235/85R16 LRE tires qualify.
NOTES: The only tire brand that has not officially increased their ST tire speed ratings to 75 MPH or above is Maxxis. – The GY Endurance is not yet going to China. They are moving it from their AL plant to a NC plant.
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06-03-2020, 06:55 AM
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#15
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Montana Fan
Join Date: Nov 2010
Location: Terrell
Posts: 353
M.O.C. #10881
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Thank you.....for the numbers and history behind them.
Bottom line- sailun S637 -235/85R16 - is that the tire time buy ? For my 2011 - Montana........
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05-19-2020, 07:04 AM
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#16
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Montana Master
Join Date: Jan 2018
Location: Northville, NY
Posts: 807
M.O.C. #21158
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Quote:
Originally Posted by mhs4771
Search and you can find loads of Goodyear tire failures, myself for one, but you will be hard pressed to find a Sailun failure other than one or two road hazard failures.
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My 2018 3731FL came with Sailuns and I had never heard of them. There was a GY option for $1800, didn't bite on that.
This past year I had what turned out to be a bent axel and it wore the inside off one tire. Didn't see it until it was really bad. got the axel replaced and put the spare on. The worn tire was showing steel belt on the inside but was still holding 110 lbs. The only drawback to Sailun is they are heavy as all get out because they are steel all around.
__________________
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, at our private winter site in GA
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05-19-2020, 08:00 AM
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#17
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Montana Master
Join Date: Nov 2018
Location: Menifee
Posts: 1,109
M.O.C. #22986
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Quote:
Originally Posted by mhs4771
Search and you can find loads of Goodyear tire failures, myself for one, but you will be hard pressed to find a Sailun failure other than one or two road hazard failures.
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or badly aligned axles from the factory that ruin brand new sailun tires.... 
__________________
2018 3920fb 2020 GMC Denali 3500 4x4 Duramax, 10 speed Allison. LB SRW, Firestone air bags with Airlift wireless onboard compressor. Anderson Ultimate Hitch. MX4 folding cover. 50gal titan in bed transfer tank. Onan 6500 lp genset installed by me ! Had: 2 HF 3500 Inverters with Parallel Kit
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05-19-2020, 08:03 AM
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#18
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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 Last2Die
or badly aligned axles from the factory that ruin brand new sailun tires.... |
They were not Sailuns ,but a good friend had bad alignment on his new Montana ,didn't take long to ruin the OE tires, not out much, got it realigned ,and put the new Sailuns on .
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05-19-2020, 11:26 AM
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#19
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Montana Master
Join Date: Jan 2018
Location: Northville, NY
Posts: 807
M.O.C. #21158
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Quote:
Originally Posted by PSFORD99
They were not Sailuns ,but a good friend had bad alignment on his new Montana ,didn't take long to ruin the OE tires, not out much, got it realigned ,and put the new Sailuns on .
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I was hoping it was alignment so I could claim it on extended warranty but sadly it was clearly bent, plus I was in the third year so alignment should have shown up and it was only one tire. I'm thinking a bridge transition on the Interstate or nasty pot hole. I haven't been off road.
__________________
Jim B
2017 Lariat F-350 FX4, CC, SB, 6.7 PSD 4WD
2018 MONTY 3731FL, at our private winter site in GA
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05-13-2020, 12:07 PM
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#20
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Montana Master
Join Date: Jan 2015
Location: Taylors
Posts: 562
M.O.C. #15948
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Quote:
Originally Posted by DMichael
Replacing tires on a 3725RL. Tire company trying to sell me an N rated tire... not RV specific. Is this normal?
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Remember the most important thing. Insure the new tires have a load capacity equal to or greater than the OE tires.
I'm guessing your OE tires are ST235/80R16 LRE. That designated size is also built with an all steel casing and at least a half dozen manufacturers provide them with a LRG.
As a full time, high mileage user I'm not fond of mail order tires. But, I don't recommend brands so search around.
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