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07-28-2016, 01:22 AM
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#1
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Established Member
Join Date: May 2016
Location: Springville
Posts: 30
M.O.C. #18656
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Best tire for six-lug 80psi wheels?
Just getting started on this tire thing. My 2006 Mountaineer has wheels with six lugs. I haven't been able to verify that there are any rims rated at 110 psi for a wheel with six lugs.
Am I wrong? I want to replace my Marathons pretty quickly here. If I'm stuck with 80psi rims for this rig, do any of you have recommendations for replacement tires?
__________________
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2006 Mountaineer 329RLT
2011 Ford F-250 Lariat 6.7
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07-28-2016, 02:14 AM
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#2
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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We have had trouble free experience over the years using Firestone TransForce LT tires. Any good quality LT tire will be an improvement over the Marathon. Sailuns have a good reputation, don't know if they require the heavier rims or not.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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07-28-2016, 02:42 AM
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#3
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Montana Master
Join Date: Feb 2010
Location: Shipman
Posts: 552
M.O.C. #10136
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I agree the Firestone Transforce LT tires are very good....have performed excellent for us...have had mine on for 5 years now....
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07-28-2016, 02:46 AM
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#4
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Montana Master
Join Date: Aug 2008
Location: New Bern
Posts: 4,387
M.O.C. #8728
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Michelin LTX or BF Goodrich commercial TA are other choices.
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07-28-2016, 02:52 AM
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#5
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Established Member
Join Date: May 2016
Location: Springville
Posts: 30
M.O.C. #18656
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I haven't been able to find that Firestone tire in a web search but will keep looking.
__________________
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2006 Mountaineer 329RLT
2011 Ford F-250 Lariat 6.7
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07-28-2016, 02:56 AM
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#6
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,670
M.O.C. #2283
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Any good 10'ply LT tire will work for you.
Lynwood
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07-28-2016, 08:00 AM
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#7
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Montana Fan
Join Date: Jan 2016
Location: Lima
Posts: 138
M.O.C. #18168
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I use BF Goodrich commercial TA from Wall Mart.
Dennis
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07-28-2016, 08:38 AM
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#8
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Quote:
quote:Originally posted by Kenleys Oompah
I haven't been able to find that Firestone tire in a web search but will keep looking.
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Do not understand that. Just type in Firestone transforce. I just did, tire sizes, sources, pricing.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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07-28-2016, 11:29 AM
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#9
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Montana Fan
Join Date: Jul 2015
Location: St Petersburg
Posts: 150
M.O.C. #17571
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Quote:
quote:Originally posted by 1retired06
We have had trouble free experience over the years using Firestone TransForce LT tires. Any good quality LT tire will be an improvement over the Marathon. Sailuns have a good reputation, don't know if they require the heavier rims or not.
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I mentioned this thread to my husband. We have a High Country which has the six lug 80 psi also. While I'm encouraged by the responses here, he's still not convinced. He's been told by 'tire people' that the TL is not going to work. We still have the Marathons that came on our 2015 wide body, high profile HC.
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07-28-2016, 11:33 AM
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#10
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Montana Fan
Join Date: Jul 2015
Location: St Petersburg
Posts: 150
M.O.C. #17571
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Quote:
quote:Originally posted by sola123
I agree the Firestone Transforce LT tires are very good....have performed excellent for us...have had mine on for 5 years now....
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What sort of miles do you put on them? over what kind of terrain? Just curious, trying to get as much info as possible. Thanks!
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07-28-2016, 01:17 PM
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#11
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,670
M.O.C. #2283
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I've 20000 or so on my Goodyear Wranglers and they still look new, over everything from a rough gravel road to 80 MPH on the interstates. Every where from Va to Wy. What every Older MOC member can tell him he will have a blowout with his Marathon tires sooner or later. They could do thousands of dollars in damage.
Lynwood
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07-28-2016, 01:51 PM
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#12
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Site Team
Join Date: Oct 2005
Location: Carmichael - CA
Posts: 7,691
M.O.C. #4831
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The HC's with their 6K axles and 6 lug wheels represent the dilemma members faced back when the biggest Montana came with 6K axles. The ST's would blow and there were many, many questions about what to replace them with.
There is a MOC member Lonnieb who is a tire dealer and a great guy. A number of MOCers traveled to his shop in Texico, New Mexico to buy tires due to his participation and advice here. While he hasn't been active on the forum recently, he was a real tire guru who always tried to help members with their tire questions. He made what I consider the definitive post on LT v. St tires back in March 2013. He re-iterated the advice numerous times here in different postings. Here is the pertinent posting:
Quote:
quote::By Biggjb
Lonnie, I have a 2009 2980RL and currently have GY Marathons ST235 80R16 E rated. Fully loaded it is 14400 lbs. I always ensure the tires are 80 psi and check that every morning while on the road. I had one blow-out last year on a very short haul, and I have just went over 1200 miles with no mishap. But the concern of a blow-out on the I-95 was constantly in the back of my mind. I have heard LTs would work better.
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The specs I came up with for your trailer are as follows;
Dry shipping weight - 10,415 lbs.
Cargo carrying capacity - 3,940 lbs.
Pin weight - 2,275 lbs.
Adding the dry shipping weight and the cargo carrying capacity together I get 14,355 lbs., which is pretty close to what you listed. Subtracting the pin weight from 14,400 I come up with 12,125 which calculates out to 3,031 pounds per tire.
The most common LT size to replace the ST, is LT235/85R16. This size is approximately one inch larger in diameter and the same width as the ST235/80R16 you are currently running. Another size would be LT245/75R16 which is three tenths inch shorter and four tenths inch wider than what you currently have. Both of these sizes, in the E load range, have a maximum load rating of 3042 pounds at 80 psi. I know this looks like you would be pushing the limits, but that isn't the case. Unlike the ST rated tires, the LT has a large reserve capacity built in, meaning the maximum load rating on the tire is significantly less than the tires actual capacity. This is done due to Federal regulations because these tires must safely carry human passengers at speeds up to 112 mph. ST rated tires are not held to the same safety standards for several reasons, they are NOT legal on motorized vehicles, they are NOT legal at speeds above 65 mph, and most importantly, they are NOT legal to carry human passengers at ANY speed.
A good quality, name brand LT tire, in the E load range will serve you well. Below is an updated list of my personal preferences, along with a "ballpark" price, not including installation. Prices vary across the country, and even from dealer to dealer, so shopping around a little would be a good idea. I recommend going to a REPUTABLE dealer, one that sells a lot of tires, one whose main business is tires.
LT235/85R16E
1. Michelin XPS Rib - $314.00 each.
2. Bridgestone Duravis R250 - $250.00 each.
3. Bridgestone Duravis R500 - $206.00 each.
4. Firestone Transforce H/T - $162.00 each.
5. BF Goodrich Commercial T/A - $188.00 each.
Lonnie's Post is on Page 2 of this link
I am sure the prices are not current, but the recommended tires are.
__________________
Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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07-28-2016, 02:34 PM
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#13
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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I have had great service from Uniroyal Larado HD/H
On my 3rd set on our 2955RL never a failure replaced because of age.
Resonable Priced!
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07-28-2016, 03:44 PM
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#14
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Montana Master
Join Date: Dec 2004
Location: YUMA
Posts: 862
M.O.C. #2625
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[quote]quote: Originally posted by carl n susan
The HC's with their 6K axles and 6 lug wheels represent the dilemma members faced back when the biggest Montana came with 6K axles. The ST's would blow and there were many, many questions about what to replace them with.
There is a MOC member Lonnieb who is a tire dealer and a great guy. A number of MOCers traveled to his shop in Texico, New Mexico to buy tires due to his participation and advice here. While he hasn't been active on the forum recently, he was a real tire guru who always tried to help members with their tire questions. He made what I consider the definitive post on LT v. St tires back in March 2013. He re-iterated the advice numerous times here in different postings. Here is the pertinent posting:
Quote:
:By Biggjb
Lonnie, I have a 2009 2980RL and currently have GY Marathons ST235 80R16 E rated. Fully loaded it is 14400 lbs. I always ensure the tires are 80 psi and check that every morning while on the road. I had one blow-out last year on a very short haul, and I have just went over 1200 miles with no mishap. But the concern of a blow-out on the I-95 was constantly in the back of my mind. I have heard LTs would work better.
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The specs I came up with for your trailer are as follows;
Dry shipping weight - 10,415 lbs.
Cargo carrying capacity - 3,940 lbs.
Pin weight - 2,275 lbs.
Adding the dry shipping weight and the cargo carrying capacity together I get 14,355 lbs., which is pretty close to what you listed. Subtracting the pin weight from 14,400 I come up with 12,125 which calculates out to 3,031 pounds per tire.
The most common LT size to replace the ST, is LT235/85R16. This size is approximately one inch larger in diameter and the same width as the ST235/80R16 you are currently running. Another size would be LT245/75R16 which is three tenths inch shorter and four tenths inch wider than what you currently have. Both of these sizes, in the E load range, have a maximum load rating of 3042 pounds at 80 psi. I know this looks like you would be pushing the limits, but that isn't the case. Unlike the ST rated tires, the LT has a large reserve capacity built in, meaning the maximum load rating on the tire is significantly less than the tires actual capacity. This is done due to Federal regulations because these tires must safely carry human passengers at speeds up to 112 mph. ST rated tires are not held to the same safety standards for several reasons, they are NOT legal on motorized vehicles, they are NOT legal at speeds above 65 mph, and most importantly, they are NOT legal to carry human passengers at ANY speed.
A good quality, name brand LT tire, in the E load range will serve you well. Below is an updated list of my personal preferences, along with a "ballpark" price, not including installation. Prices vary across the country, and even from dealer to dealer, so shopping around a little would be a good idea. I recommend going to a REPUTABLE dealer, one that sells a lot of tires, one whose main business is tires.
LT235/85R16E
1. Michelin XPS Rib - $314.00 each.
2. Bridgestone Duravis R250 - $250.00 each.
3. Bridgestone Duravis R500 - $206.00 each.
4. Firestone Transforce H/T - $162.00 each.
5. BF Goodrich Commercial T/A - $188.00 each.
Lonnie's Post is on Page 2 of this link
I am sure the prices are not current, but the recommended tires are.
X2 I put the Bridgestone Duravis R250 on our 2005 (3400RL)in 2008 as Lonnieb told us to put 0n the rig they still looked new when we sold to buy the 2013 3402RL
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07-28-2016, 05:17 PM
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#15
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Montana Fan
Join Date: Oct 2015
Location: Clermont
Posts: 289
M.O.C. #17920
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I put Sailuns on my 80 psi rims and will upgrade axles/wheels in Sept. I'm running them at 80 per the load specs on the tires. For my actual vehicle weight I am within limits on the tire. I figured I was better off taking a chance with wheels rather than tires.
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07-28-2016, 05:55 PM
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#16
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Montana Fan
Join Date: Feb 2015
Location: Ferndale
Posts: 273
M.O.C. #16033
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You can call Keystone with make and year. They told me my 2014 HC can take 110 PSI. I wanted to know so when I change tires soon.
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07-28-2016, 06:49 PM
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#17
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Montana Master
Join Date: Apr 2009
Location: Murrieta
Posts: 5,816
M.O.C. #9257
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I wasn't aware that any six lug wheel could hold 110 psi. I thought 80 psi was the limit for a six lug. My Monty has 8 lugs and specifies only needing 80 psi, but the wheel needs to be rated for it, an eight lug could support 110 psi as long as it has the supporting certification.
Firsterin, did you mean LT (not TL). Many dealers will not put LT (Light Truck) tires on an ST (Special Trailer) application. However, many have found some dealers that will do it. In fact, it's been a LONG time since I've heard from the member, but LonnieB, a longtime MOC member and works at a tire store in New Mexico, has been known to recommend LTs for trailers.
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07-28-2016, 08:41 PM
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#18
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Montana Master
Join Date: Jan 2013
Location: Bridgewater
Posts: 1,196
M.O.C. #13166
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Quote:
quote:Originally posted by Firsterin
Quote:
quote:Originally posted by 1retired06
We have had trouble free experience over the years using Firestone TransForce LT tires. Any good quality LT tire will be an improvement over the Marathon. Sailuns have a good reputation, don't know if they require the heavier rims or not.
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I mentioned this thread to my husband. We have a High Country which has the six lug 80 psi also. While I'm encouraged by the responses here, he's still not convinced. He's been told by 'tire people' that the TL is not going to work. We still have the Marathons that came on our 2015 wide body, high profile HC.
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Many, many MOC'ers, particularly those with the 6 lug rims, are using LT tires. The weight of their Montanas don't require a G rated tire, and the ST offerings have proven to be unreliable. Many problems have been documented, and not just on this forum. You should get your husband to do a search on tires here and find out for himself. If you're still willing to roll on the Marathons after that, good luck. You won't be the first to learn the hard way, nor the last. Best of luck with whatever you decide to do.
__________________
2010 Montana 3455SA, Mor/Ryde pin, wet bolts, TST 507, Progressive HW50C, GY G614
2019 Silverado D/A 3500HD LTZ DRW CC
B&W Companion
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07-30-2016, 02:31 AM
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#19
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Seasoned Camper
Join Date: Nov 2011
Location: Ringgold
Posts: 55
M.O.C. #11997
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I ran the BF Goodrich Commercial T/A on a 9K SOB with 5200# axles for 2 years, after changing from 15" tires. And then 2 more years under the Mountaineer with 6K axles. At that point 1 tire started to separate. 3 years now on Bridgestone Duravis R250. I have been very pleased with the Bridgestone Duravis. LT235/85R16E tires on 5200# axles is overkill, which is not a bad thing. On the SOB I could only run 70psi and keep tread contact at the shoulder.
__________________
2018 Silverado 3500 DRW
2011 Montana Mountaineer 285RLD
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07-30-2016, 02:50 AM
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#20
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Established Member
Join Date: May 2016
Location: Springville
Posts: 30
M.O.C. #18656
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What a dummy. I was looking at "LT" as a weight class. Funny how most everything comes into focus as you sober up! Thanks for all the insight!
__________________
--------------------
2006 Mountaineer 329RLT
2011 Ford F-250 Lariat 6.7
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