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12-18-2019, 10:31 PM
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#1
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Established Member
Join Date: Apr 2019
Location: Byromville
Posts: 42
M.O.C. #23878
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Tires for 2010 300RK
Hi everyone, we are interested in a possible purchase. I asked the seller, who is the 3rd owner (the second was his father), how old the tires are, and he had no idea. I would think that the tires would need to be replaced by now...
If they do, what tires do you recommend and how much would they cost?
Thanks for your help in advance!
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12-19-2019, 06:26 AM
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#2
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Montana Fan
Join Date: May 2015
Location: Livermore
Posts: 492
M.O.C. #17391
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This all depends on the wheels believe it or not. I have a 03 and the wheels say only 80 pis. newer RV's have wheels with 110 stamped on the inside. You need to check that out. Lots of guys here like Sullen (sp) They run at the 110 PSI and I cant use them. There is a date code on the sidewall that tells you when they were made. Here is how to find out how old
https://www.tirebuyer.com/education/...-of-your-tires
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12-19-2019, 06:26 AM
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#3
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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My unit is your model but 4 years older. I always ran an LT tire, BF Goodrich TA's on it and got great wear. Due to age I just changed over to Saliums based on testimonies found on this forum. I did not shop but used my regular tire dealer, out the door right at $150 each. You can check the age of the existing tires as manufactured date is on each tire. Remember your unit is not as heavy as many on this forum who insist anything less than a G rated tire is not advisable.
__________________
2006 3000RK
2009 Ram 2500
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12-19-2019, 06:57 AM
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#4
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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 Narnia
Hi everyone, we are interested in a possible purchase. I asked the seller, who is the 3rd owner (the second was his father), how old the tires are, and he had no idea. I would think that the tires would need to be replaced by now...
If they do, what tires do you recommend and how much would they cost?
Thanks for your help in advance!
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At 80 PSI your Original Equipment tires provided more than 14% in load capacity reserves. Why not just find a brand you're comfortable with to replace them. Just about every brand name ST tire manufacturer build tires in your size.
NOTE: #1, The ST235/80R16 LRE tires are manufactured with three different load capacities at 80 PSI. 3420#, 3500# and 3520#. I'd shop for the 3520# tire.
NOTE: #2, you may get lots of recommendations to go to the Sailun brand tire. To take advantage of that tire you will need to get new wheels. The Sailun is a steel cased tire for much heavier trailers than yours. Sailun tires are mostly mail order tires. The Carlisle CSL (also a steel cased tire) can be found at Discount Tire stores and Walmart.
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12-19-2019, 07:06 AM
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#5
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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Tires are the big topic here in the summer, blowouts. If you use the standard ST tires you are begging for trouble and doing thousands of dollars damage to your camper. Get a set of Sailums and don’t worry about all the damage to your camper.
Lynwood
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12-19-2019, 07:22 AM
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#6
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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mlh said it all.
while you are at it check to see what the weight limit is on the wheels.
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12-19-2019, 08:59 AM
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#7
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Montana Master
Join Date: Mar 2016
Location: Catoosa
Posts: 780
M.O.C. #18384
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Sailun's have a max PSI rating of 110lbs., that does not mean that you need to run them at that pressure. Download the Sailun inflation from the files section in the brown header bar near the top of this page and see if they suit your needs. Sailun tires are widely used and highly recommended in the 5th wheel community.
__________________
2015 3100RL legacy...2005 Ford F-250 CC SB. Tows like a charm! 4/19 Updated to 2017 Chevy 3500 CC SB SRW -hope it tows as well as my F 250 did!
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12-19-2019, 10:49 AM
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#8
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Quote:
Originally Posted by CalandLinda
Sailun tires are mostly mail order tires. The Carlisle CSL (also a steel cased tire) can be found at Discount Tire stores and Walmart.
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Probably depends on where you are located but the Sailuns are readily available in KC.
__________________
2006 3000RK
2009 Ram 2500
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12-19-2019, 01:50 PM
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#9
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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Not 100% sure, but I think that by 2010 most Montana's came with 110 PSI wheels. We had one of the smallest, a 2010 2955RL and it came with 110 PSI wheels.
__________________
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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12-19-2019, 03:08 PM
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#10
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Established Member
Join Date: Apr 2019
Location: Byromville
Posts: 42
M.O.C. #23878
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[QUOTE
NOTE: #2, you may get lots of recommendations to go to the Sailun brand tire. To take advantage of that tire you will need to get new wheels. The Sailun is a steel cased tire for much heavier trailers than yours. Sailun tires are mostly mail order tires. The Carlisle CSL (also a steel cased tire) can be found at Discount Tire stores and Walmart.[/QUOTE]
Really?! New wheels? Is that what everyone has had to do?
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12-19-2019, 03:43 PM
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#11
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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 Narnia
[QUOTE
NOTE: #2, you may get lots of recommendations to go to the Sailun brand tire. To take advantage of that tire you will need to get new wheels. The Sailun is a steel cased tire for much heavier trailers than yours. Sailun tires are mostly mail order tires. The Carlisle CSL (also a steel cased tire) can be found at Discount Tire stores and Walmart.
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Really?! New wheels? Is that what everyone has had to do?[/QUOTE]
Back in 2010 Keystone specked everything "close to the bone". Because of your 6000# axles they had no reason to use wheels with more than 80 PSI pressure rating. So you should get the wheel brand name/wheel part number and give the wheel manufacturer a call. They are required by regulations to provide you with the wheel specs. They are not required to put those specs on the wheel. The reason OEM wheels have some information on them is because the OEM provided requested such information be displayed somewhere on the wheel.
Should you find out that your wheels are 80 PSI wheels it would not be advantageous to use LRG tires. If your axles are spaced at least 33" apart you can upgrade to the ST235/85R16 LRE and get 3640# of load capacity at 80 PSI which would provide you with about 25% in load capacity reserves.
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12-19-2019, 04:02 PM
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#12
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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 Narnia
[QUOTE
Really?! New wheels? Is that what everyone has had to do?
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Fine print, first page in the reference below: Requires special high-load capacity wheel. Consult wheel manufacturer for proper application.
http://gosailun.com/Content/images2/637T/637T.pdf
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12-19-2019, 06:44 PM
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#13
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 953
M.O.C. #19630
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Narnia, go look at the backside of your wheels and see if they say they're good for 110PSI.
It is on one of the spokes of each wheel and easy to see.
If you don't see the imprint for 110PSI you can still run Sailuns at a lower pressure.
If you don't have the 110PSI wheels you aren't heavy enough to warrant a high pressure tire.
My friend has a 2009 Montana Mountaineer at only 29' and even his came with 110PSI wheels and 7K axles. You probably have the 110PSI wheels.
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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12-19-2019, 06:59 PM
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#14
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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You are going to have to check. My 2010 had 110# wheels but some of the early 2010's had 80# wheels so your looking at the only year we can't tell you for sure.
__________________
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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12-19-2019, 09:16 PM
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#15
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Get a chart from the Sailun company. Depending on your 5er weight the chart goes down to 80#.
__________________
John & Patty
2022 3855 BR
2019 Lariat F350 4X4 Dually
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12-19-2019, 10:35 PM
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#16
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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 CaptnJohn
Get a chart from the Sailun company. Depending on your 5er weight the chart goes down to 80#.
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https://fifthwheelst.com/documents/C...T-Modified.pdf
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12-20-2019, 06:51 AM
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#17
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Montana Fan
Join Date: May 2015
Location: Livermore
Posts: 492
M.O.C. #17391
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What about replacing your tires with what you have now. If you get good service out of them? If so than I would stick with that. I wouldn't never run a st tire on my 34'. I have LT's on now. because I only have 80 psi wheels. Rermmember if you change your wheels if you dont have 110 psi wheels the trailer will have a harsher ride.
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12-20-2019, 07:23 AM
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#18
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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Quote:
Originally Posted by Slow Hand
What about replacing your tires with what you have now. If you get good service out of them? If so than I would stick with that. I wouldn't never run a st tire on my 34'. I have LT's on now. because I only have 80 psi wheels. Rermmember if you change your wheels if you dont have 110 psi wheels the trailer will have a harsher ride.
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He doesn’t have to change wheels to run Sailun at 80#. LT will have a lower carrying capacity in most cases and will have a lighter sidewall. Everyone makes their own decision and most here have gone with the Sailun as it has the best reputation and has been around a while.
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12-20-2019, 09:25 AM
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#19
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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 CaptnJohn
He doesn’t have to change wheels to run Sailun at 80#. LT will have a lower carrying capacity in most cases and will have a lighter sidewall. Everyone makes their own decision and most here have gone with the Sailun as it has the best reputation and has been around a while.
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Sailuns have not "been around awhile" They were originally built as a mimic of the GY G614 and had the same specs as the G614, a RST tire. Some time after that, they tooled-up to produce their all steel tires in two high load capacity sizes (ST235/80R16 & ST235/85R16 both LRG). Other manufacturers have also tooled-up to produce those same sizes in all steel construction.
The reputation of the Sailuns was built because they were mostly used as replacement tires with much more load capacity than the tires they were replacing. Now, with the RVIA 10% load capacity reserves in place, the Sailuns are being seen as OEM. Time will tell how good they are when tasked to provide load capacities closer to their maximum allowed load.
Both of those designated sizes provide identical load capacities at 80 PSI as a LRE of the same designated size. Load capacity is the name of the game with replacements. It would be unreasonable to inflate the LRG to 80 PSI and expect it to be a better load carrier than a LRE of the same designated size.
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12-20-2019, 09:37 AM
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#20
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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SINCE they have been around their reputation has surpassed the G614 and are 1/2 the cost.
__________________
John & Patty
2022 3855 BR
2019 Lariat F350 4X4 Dually
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