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03-28-2016, 05:56 PM
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#1
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Montana Fan
Join Date: Jan 2016
Location: Lima
Posts: 138
M.O.C. #18168
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Goodyear G614 RST
Can I run new Goodyear Unisteel G614 RST tires on my 6 lug steel rims at 85 psi? I have a 2000 3280rl. I want to use really good tires and the tires on the rig look very old.
Dennis
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03-28-2016, 06:03 PM
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#2
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,702
M.O.C. #12947
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You probably could do that. If you have 6 lug wheels, you should have 6,000 lb axles, and if that is the case, you could easily use good LT truck tires, which will have 3042 lbs capacity at 80 psi, for a lot less money, and have just as reliable a tire as the G614. There are some all steel LT tires, that are 10 ply rated, that will do what you want.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-29-2016, 12:36 AM
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#3
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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Quote:
quote:Originally posted by rohrmann
You probably could do that. If you have 6 lug wheels, you should have 6,000 lb axles, and if that is the case, you could easily use good LT truck tires, which will have 3042 lbs capacity at 80 psi, for a lot less money, and have just as reliable a tire as the G614. There are some all steel LT tires, that are 10 ply rated, that will do what you want.
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Agree! Overkill and a waste of a lot of money. 614s are great tires but your unit simply does not need them. I'd go with a QUALITY LT.
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2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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03-29-2016, 02:49 AM
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#4
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,552
M.O.C. #2283
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A G614 and a same size LT tire at the same pressure have the same weight carrying capacity. But it's your money if you wont the G tires buy em but you gain nothing but peice of mind.
Lynwood
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03-29-2016, 03:03 AM
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#5
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,148
M.O.C. #1920
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I agree. As long as your tires are not the weak link, you should be good to go. I never recommend having your tires having less carrying capacity than your axles. Over on the Facebook site, someone is putting LT tires on a large coach. Giving up almost 2000 lbs of carrying capacity. Your case is different. Good luck.
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Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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03-29-2016, 04:02 AM
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#6
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I'm a big proponent of 614's but as stated above your rig simple doesn't need them. Many on this forum use good LT tires for rigs like yours with no problems at all.
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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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03-29-2016, 04:17 AM
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#7
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Montana Master
Join Date: Aug 2004
Location: Livermore
Posts: 5,148
M.O.C. #1920
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X2, Dick. This is our 2nd Montana with G614's. Love them. But, running at 85 psi, not really getting the money's worth.
__________________
Ron and Terrie Ames - MOC #1920/KF0NTA
2021Montana 3230CK Super Solar Legacy Package
2021 Ram 3500 Laramie Longhorn, BIM Charging
4x4, SRW, LB, Crew Cab, Pullrite 3900 Hitch
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03-29-2016, 05:59 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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Good LT tire option are the Firestone TransForce products
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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03-29-2016, 10:32 AM
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#9
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Montana Master
Join Date: Jul 2009
Location: Olympia
Posts: 1,058
M.O.C. #9441
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If I was you I would try the Sailun S637 tires for the heck of it.. They cost less but you get the plys of the 614.. Just my thought..
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2020 Ram 3500, 2022 Luxe 38GFB,2500w Solar with Victron equipment, Gen Y Pinbox
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03-29-2016, 01:07 PM
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#10
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,329
M.O.C. #3699
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Love my G614's anything that gives me a little more edge on the highways is just fine with me, again, this is one of those personal decisions, nobody is wrong here.
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Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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03-29-2016, 01:32 PM
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#11
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Montana Fan
Join Date: Jan 2016
Location: Lima
Posts: 138
M.O.C. #18168
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Thanks everyone for the fantastic response and informed insight.
Dennis
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03-29-2016, 02:49 PM
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#12
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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A thought here: If you run a 110 PSI tire at only 85 PSI, wouldn't that be like running a tire under inflated and subject to increased heat build up? I know many are running the G's at 100 to 105, but still a lot more than 85. Probably more of a question for Lonny.
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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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03-29-2016, 05:13 PM
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#13
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,702
M.O.C. #12947
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I haven't been able to find a chart specifically for the Sailun's, but the Goodyear chart for the G614's would be similar. The weight capacity changes with the lower pressures, and as you increase the pressure, the capacity increases. At 80 psi, the weight capacity is the same as for a load range E tire, 3042 lbs, at 85 psi it's 3170 lbs, 90 psi 3300 lbs, 95 psi 3415 lbs, 100 psi 3550 lbs, 105 psi 3675 lbs, and at 110 psi it's 3750 lbs. These are the loads and pressures for the LT235/85R16 tire. So, for a 6,000 lbs axle, 80 psi would give the capacity to max out the axle rating, and for a 7,000 lb axle, you would want at least 100 psi.
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Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-30-2016, 01:24 PM
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#14
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Montana Master
Join Date: Mar 2015
Location: West Richland
Posts: 1,253
M.O.C. #17164
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That is good advice Bob. I would hope that it is a tougher tire even at 80psi then the inferior brands but a tire manufacter rating is still what is designed to safely carry.
Tom Marty
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03-30-2016, 04:17 PM
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#15
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Montana Fan
Join Date: Dec 2015
Location: Nokomis
Posts: 464
M.O.C. #18144
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LT TIRES I thought didn't Handle the lateral forces imposed by a trailer and ST tires did. I'd love to use LT tires they same to be a more cost effective solution over the g614. But will they performed the same and are the as safe as ST tires? I need to replace my trailer king tires for sure
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Ed
2016 Montana 3950 BR
2004 Montana 3650 RK
2019 Ram 3500 SRW Laramie CTD 6.7
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03-30-2016, 07:13 PM
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#16
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Montana Master
Join Date: Apr 2006
Location: Mesa az
Posts: 2,953
M.O.C. #5651
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I have used LT tires on the Montana for about 8-9 years now. My axle weight has been around 10,000 to 11,000 lb for total axle weight between my 2 trailers. I have also turned some pretty tight corners often and have no problems.
Maybe if you push the weight close to the max for LT tires (3042??) it might be a problem but I don't know.
EDIT - just notice you are using a 2955 - my previous was a 2980 (heavier than yours). So my feeling is you are very safe with LTs. Oh, I use Michliens if that helps.
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Tom and Gail
2013 Mountaineer 362
2012 Silverado 2500
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03-31-2016, 06:31 AM
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#17
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Montana Fan
Join Date: Dec 2015
Location: Nokomis
Posts: 464
M.O.C. #18144
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well my GVRW is 16000 and change, pin weights is about 3000, so that leaves 13000 on my axles.
I have 7000# axles, looks like LT tires will not hold up if I switched to them
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Ed
2016 Montana 3950 BR
2004 Montana 3650 RK
2019 Ram 3500 SRW Laramie CTD 6.7
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03-31-2016, 07:39 AM
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#18
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,702
M.O.C. #12947
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The Sailun's are now rated as ST tires, but the Goodyear G614's are rated LT, but that is only because of it's 75 MPH speed rating. They are strictly designed for trailer use, and have the weight capacity to handle the full 7,000 lb axles. You must use a tire that at least meets the weight rating of your axle, so an LT truck tire that has a load capacity of 3042 lbs will not work.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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03-31-2016, 09:38 AM
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#19
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Seasoned Camper
Join Date: Feb 2016
Location: Manhattan
Posts: 63
M.O.C. #18254
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Quote:
quote:Originally posted by mhs4771
A thought here: If you run a 110 PSI tire at only 85 PSI, wouldn't that be like running a tire under inflated and subject to increased heat build up? I know many are running the G's at 100 to 105, but still a lot more than 85. Probably more of a question for Lonny.
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This is a quote from Goodyear website and the link is below.
"Be safe - if a tire has been run 20% underinflated, it must be dismounted and inspected by a trained professional. It should not be aired up without a fullinspection or without using a safety cage. Use a calibrated gauge. If your tire is rated for higher inflation pressures, a special gauge will be required designed for larger tires.
http://www.goodyearrvtires.com/tire-...n-loading.aspx
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04-08-2016, 02:28 AM
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#20
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Montana Fan
Join Date: Apr 2011
Location: Baton Rouge
Posts: 431
M.O.C. #11342
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The LT tire does not reach it's capacity until 106 mph.
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