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02-24-2018, 07:09 AM
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#1
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Junior Member
Join Date: Aug 2016
Location: IL
Posts: 18
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Thoughts on new tires.
Guys,
I'm looking to replace the tires on my 2016 Cougar 336bhs fifth wheel. Any recommendations?
__________________
2016 Cougar 336 BHS
2016 GMC CC Denali Duramax
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02-24-2018, 07:20 AM
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#2
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,177
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What is currently on it?
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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02-24-2018, 07:34 AM
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#3
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Junior Member
Join Date: Aug 2016
Location: IL
Posts: 18
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235 80 16. I don't recall the brand but they look cheap to me. I was looking at the Saliun s637.
__________________
2016 Cougar 336 BHS
2016 GMC CC Denali Duramax
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02-24-2018, 08:10 AM
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#4
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Senior Member
Join Date: Apr 2017
Location: Oswego
Posts: 604
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Put Maxxis ST RADIAL M8008 on our last RV. Load range E
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RV - 2017 Avalanche 320RS
TV - 2011 Chevy Silverado 3500HD LTZ CCLB Duramax SRW 4X4
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02-24-2018, 08:35 AM
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#5
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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Sailun is a good choice. In my opinion I'd go at least 1 load range higher than original, provided the wheels are rated with higher psi if necessary.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-24-2018, 08:38 AM
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#6
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Site Team | Emeritus
Join Date: Dec 2015
Location: Kansas City
Posts: 3,878
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Here's a thread that summarises the tire questions. It's a good place to start.
If you do a search on the forum for tires you'll find more reading than you could do in couple of days.
http://www.keystoneforums.com/forums...ad.php?t=31747
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__________________
Chip Bruce, RPh
Kansas City, MO
2016 Impact 312
2017 Silverado 3500HD SRW
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02-24-2018, 08:40 AM
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#7
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Senior Member
Join Date: Feb 2016
Location: SE Michigan
Posts: 1,659
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Carlisle Radial Trail HD are always an affordable and safe option. They have a great reputation in the last 3-4 years as quality in their line has improved remarkable. At $77/tire, their worth considering.
Your fifth wheel coach's GVWR is around 12,200 lbs. If you're trailer and wheels can accommodate it, try sizing up on the aspect ratio to 85 cm and load range to F. It's only an increase of 0.9 inches in tire diameter. You'll then 1,760 lbs of additional reserve load capacity. Your wheels will have to support the increased PSI of 95 lbs of course. See below...
ST235/85R16, LRF, Diameter: 31.7, width: 9.3, wheel width: 6.5", Load capacity: 3,960 lbs, Max PSI: 95
verses
ST235/80R16, LRE, Diameter: 30.8, width: 9.0, wheel width: 6.5", Load capacity: 3,520 lbs, Max PSI: 80
Carlisle specs can be found here:
https://www.carlislebrandtires.com/o...adial-trail-hd
__________________
2017 Keystone Bullet 308BHS in Saddle.
2017 RAM 2500 Laramie Mega Cab 4x4 Hemi 6.4L
2008 GMC Yukon XL Denali (SOLD)
Hensley SwiftArrow Control Hitch with 1000 lb Spring Bars
Me, DW, (3) little DS's, and 1 rambunctious Boston Terrier
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02-24-2018, 09:05 AM
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#8
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Junior Member
Join Date: Sep 2016
Location: Western PA
Posts: 17
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Quote:
Originally Posted by busterbrown
Carlisle Radial Trail HD are always an affordable and safe option. They have a great reputation in the last 3-4 years as quality in their line has improved remarkable. At $77/tire, their worth considering.
Your fifth wheel coach's GVWR is around 12,200 lbs. If you're trailer and wheels can accommodate it, try sizing up on the aspect ratio to 85 cm and load range to F. It's only an increase of 0.9 inches in tire diameter. You'll then 1,760 lbs of additional reserve load capacity. Your wheels will have to support the increased PSI of 95 lbs of course. See below...
ST235/85R16, LRF, Diameter: 31.7, width: 9.3, wheel width: 6.5", Load capacity: 3,960 lbs, Max PSI: 95
verses
ST235/80R16, LRE, Diameter: 30.8, width: 9.0, wheel width: 6.5", Load capacity: 3,520 lbs, Max PSI: 80
Carlisle specs can be found here:
https://www.carlislebrandtires.com/o...adial-trail-hd
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I second the Carlisle Radial Trail HD in ST235/85R16 LRF. I have a 2017 Cougar 336BHS & the tires are a major improvement over the softer OEM tires. There is a thread I started about the decision.
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__________________
2017 Cougar 336BHS
2017 F350 6.7L CCSB SRW Lariat Ult., 55 gal Titan Tank,
B&W Companion Slider, Ford TPMS & Back up Camera
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02-24-2018, 09:06 AM
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#9
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Senior Member
Join Date: Jan 2016
Location: Newport News, VA
Posts: 221
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Quote:
Originally Posted by truth
Guys,
I'm looking to replace the tires on my 2016 Cougar 336bhs fifth wheel. Any recommendations?
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Another vote for Maxxis M8008s. LR E.
__________________
Merlin B.
U.S. Army Aviator, Retired
2016 Cougar XLite 28SGS
2007.5 Ram 3500 DRW
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02-24-2018, 09:59 AM
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#10
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Senior Member
Join Date: Oct 2013
Location: Huntington Beach, Ca
Posts: 250
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https://www.americastire.com/buy-tir...urance/p/32645
The only ST tire made in the USA. Check the good reviews. Very happy with mine after over 10,000 miles. Rebate offered at AT.
__________________
2013 Passport 2890RL GT
2015 Silverado CC LTZ 4x 2500 Duramax
HB Cal
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02-24-2018, 12:53 PM
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#11
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by truth
Guys,
I'm looking to replace the tires on my 2016 Cougar 336bhs fifth wheel. Any recommendations?
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According to the Keystone specs for your trailer it has 5200# GAWR axles. The OE tires are/were ST235/80R16E. When the OE tires are inflated to the placard recommendations they provide more than just adequate load capacities for your maximum loaded trailer. Your personal selection of a replacement brand name will probably make you more comfortable. IMO, overkill above the OE size is unwarranted.
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02-24-2018, 04:52 PM
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#12
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,177
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Well I tend to think out of the box, we put LT 235/85-16E on our 2005 Copper Canyon with a GVWR of 12,360#, this is what came OEM on the 5er. I know they ONLY have a per tire rating of 3,042# each, but, the 5er at full GVWR will have less than 10,000# on the tires. I feel the LTs are higher quality and safer than an ST with stated higher load capacity. JMHO
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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02-24-2018, 08:00 PM
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#13
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by rhagfo
Well I tend to think out of the box, we put LT 235/85-16E on our 2005 Copper Canyon with a GVWR of 12,360#, this is what came OEM on the 5er. I know they ONLY have a per tire rating of 3,042# each, but, the 5er at full GVWR will have less than 10,000# on the tires. I feel the LTs are higher quality and safer than an ST with stated higher load capacity. JMHO
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It really wasn't about ST vs LT. When that trailer was built, Keystone decided the tire size and design was an appropriate fitment.
Keystone found that that sized tire didn't work well with 6000# axle fitments and discontinued their use in late 2006. However, on your 5200# axles they provide a nice load capacity reserve.
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02-24-2018, 08:06 PM
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#14
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Site Team
Join Date: Feb 2014
Location: W. Texas
Posts: 17,600
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Quote:
Originally Posted by rhagfo
Well I tend to think out of the box, we put LT 235/85-16E on our 2005 Copper Canyon with a GVWR of 12,360#, this is what came OEM on the 5er. I know they ONLY have a per tire rating of 3,042# each, but, the 5er at full GVWR will have less than 10,000# on the tires. I feel the LTs are higher quality and safer than an ST with stated higher load capacity. JMHO
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I guess I tend to think in the box, out of the box and all around the box.
I know you like to run over limits as dictated "by the books" and like LT tires. That's fine and works for you. Here's my thinking on your thoughts about your tires, weights etc, which I've stated before (not about you).
You think, and many sources say, you can put tires on an RV that carry less, sometimes far less, than the GVW because of pin/tongue weight. In reality, in my mind, that's silly. If my trailer ran hooked up on flat highways with nary a twist, turn, bump, frost heave, seam, poor highway workmanship in general....that might be right; but it's not.
When you hit highways (and we do a lot) that have high pitches, sharp curves, drop offs one way or the other, etc. infinitum.....those tires aren't carrying the "flat loaded" load that you think you are putting on them - they are stressed unbelievably and in many situations are stressed with far more than they were designed for. Trying to equip your RV, or vehicle, with the bare minimum to get by is just....waiting for "that" moment to happen.
I completely understand your opinion on LTs. I really don't know if they would be better or not in a given situation- I go with what the manufacturers recommend (generally not LT). I'm simply saying, IMO, that buying a set of tires rated less than the gvw of a trailer, IMO, is just fools play. It costs virtually nothing to upgrade to something to give you more safety.
__________________
Danny and Susan, wife of 56 years
2019 Ram 3500 Laramie CC SWB SB 6.4 4x4 4.10
2020 Montana High Country 331RL
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02-24-2018, 09:25 PM
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#15
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,177
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Quote:
Originally Posted by CWtheMan
It really wasn't about ST vs LT. When that trailer was built, Keystone decided the tire size and design was an appropriate fitment.
Keystone found that that sized tire didn't work well with 6000# axle fitments and discontinued their use in late 2006. However, on your 5200# axles they provide a nice load capacity reserve.
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The LT 235/85-16E were an optional tire size on this unit the stock OEM size was an ST 225/75-15.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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02-24-2018, 09:54 PM
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#16
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Member
Join Date: Oct 2015
Location: Nebraska
Posts: 51
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I put Samson tires on my Avalanche. Figure if they can take the abuse of a farmer they should work just fine for my trailer.
Sent from my SM-N910V using Tapatalk
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02-25-2018, 06:01 AM
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#17
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Senior Member
Join Date: Aug 2017
Location: Lafayette
Posts: 1,068
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If your wheels are rated for the higher PSI rating of 110lbs, I would get the Sailuns, if not, I had great luck with the Maxxis 8008 E rated tires on my last 2 RVs.
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2015 Ram,3500,Dually,B&W,4.10s,Aisin,Limited,Silver
2018 Raptor,428SP w/full body paint
2012 Harley, Ultra Limited
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02-25-2018, 07:48 AM
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#18
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,177
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Quote:
Originally Posted by CWtheMan
According to the Keystone specs for your trailer it has 5200# GAWR axles. The OE tires are/were ST235/80R16E. When the OE tires are inflated to the placard recommendations they provide more than just adequate load capacities for your maximum loaded trailer. Your personal selection of a replacement brand name will probably make you more comfortable. IMO, overkill above the OE size is unwarranted.
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Quote:
Originally Posted by Tinner12002
If your wheels are rated for the higher PSI rating of 110lbs, I would get the Sailuns, if not, I had great luck with the Maxxis 8008 E rated tires on my last 2 RVs.
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I also think placing G rated tires on a 12,300# GVWR 5er is a bit of over kill.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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02-25-2018, 11:04 AM
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#19
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Senior Member
Join Date: Nov 2017
Location: Picacho, Az
Posts: 6,809
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I'm on the overkill side, 1 less thing to worry about.
Mine originally was to be equipped with 16" "E" rated GY China Bombs, I opted for the GY 114 "G" upgrade & when it was time to replace went 17.5" H rated Sailun tires & wheels & would do the same in a minute the next time.
Hauling these things down our wonderful interstates/highways systems across the country there's enough things to be shaken/rattled/torn up & now tires aren't on that list for me anymore.
__________________
Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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02-25-2018, 12:09 PM
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#20
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Senior Member
Join Date: Feb 2010
Location: Taylors, SC
Posts: 3,031
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Quote:
Originally Posted by nesparky
I put Samson tires on my Avalanche. Figure if they can take the abuse of a farmer they should work just fine for my trailer.
Sent from my SM-N910V using Tapatalk
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I think you should match the load capacity rating on your new tires sidewalls with your add. The specs in the add do not conform to TRA specs for that tire size.
Load range letters provide the official load capacities for ST & LT tires.
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