Fulltimer50
Pasco, WA
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Joined: 07/07/2001
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Replacement wheels are not that costly:
Wheels
George
99F250XLT/SC/LB/4x2/3.73LS/gauges/BypassReg/Airlifts/Rancho 9000s/DS Predator Tuner/203*TS/Coolant filter/Jimmyjammers/Oilguard/4"turbo back/Suncoast tranny/BD EBrake.
06 Newmar Cypress 29KSRE 5th wheel,Mor/Ryde IS,Kodiac disk brakes, 17.5" H
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Dave H M
IL
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Joined: 08/11/2006
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I am running 16's now but before I always aired up the E rated 15's to 80 on my previous trailers.
What the heck is 5 lbs?
Also notice that you only got one reply about rims and that was a manufacturers defect.
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All4fun
Calgary, Alberta
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Joined: 11/12/2002
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I am in a similar position with an 05 Thor toy hauler rated at 10,000 GVWR. I have 3 of 4 Carlisle ST225 75/R15 that are showing signs of belt seperation...distorted tread. Have been purusing the threads here and it seems that Maxxis is the about the only ST tire anybody is having much luck with. I would also go to an LT tire if I didn't have to upgrade 4 rims to 16". I have been considering moving from load range D to E as well. I don't like running anything so close to the limit, things tend to wear quicker and fail when operated at the limit all the time. Have also wondered about the 80 PSI rim rating. I don't know what my rims are rated for. Chrome spoke wagon wheels??
5 PSI doesn't seem like much but If you assume a 30" tire diameter with a 12" inside rim diameter I come up with 593 Sqin x 2 due to two sides x 75 PSI = 88,950lbs of tension across the rim and tire, 5000 lbs more tension at 80 PSI = 94,880 lbs. The force would be carried equally across the rim and tire, so divided over a 36" (12*3.14)inner rim circumference, each inch of rim is under about 1235 Pounds tension, @ 80 PSI, 1317 Pounds of Tension/inch. I'm gussing the steel can handle that fairly comfortably but I've heard too many stories of people being killed overinflating aircraft tires with High Pressure nitrogen (5000PSI)that I get nervous inflating anything, even within limits! I try not to think about the 89,000 lbs of force waiting to let go into my chest.
Anyway, short story is that I'm also nervous about going to 80PSI on the standard steel wheels. I think I will go with the Maxxis E rated tires and set the pressure per the Maxxis inflation chart for my Trailers GVWR.
* This post was
edited 08/30/09 04:42pm by All4fun *
JD
'07 GMC Sierra 2500HD CC SLT 4x4 Duramax
'05 24FB Thor Fury
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FastEagle
Taylors, SC
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Joined: 03/05/2007
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The information provided here comes- in part - from the Federal Motor Carrier Safety Administration.
Part 571: Motor Carrier Vehicle Safety Standard no. 119 is about tires for vehicles over 10,000 lbs GVWR.
Paragraph S5.1 states - in part - “Each manufacturer of tires shall ensure that a listing of the rims that may be used with each tire that he produces is provided to the public.”
When selecting upgraded wheels and tires for your trailer you should be able to sit down with the dealer and chose the upgrades from the type of information he has been provided from the tire manufacturer as described above.
FastEagle
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jimw606
Morehead, Ky.
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Joined: 10/23/2007
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W7AAD: I chose to go with the Maxxis 225/75/15 E and inflated them to 75 psi. My wheels are RFD brand, and I was informed by Crossroads, that they were 75psi max wheels. I just returned from a 4,000 mile trip to your part of the country, where temps were up to almost 100 deg.F. My tire temps never ran over 122 deg. the same temp as my truck tires. I keep my speed around 62 mph. For what it is worth. Jim
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Dave H M
IL
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All
I know this is a maxxis dominated group. Howsomever, I ran a couple of E rated 15 inch Titan tires on my last 5th wheel and never had a lick of problems with them. I only ran them 3 years though and sold the trailer.
I am not saying they are as "good" as maxxis but they fit my budget and served me well. 
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W7AAD
Cheyenne,Wy
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Joined: 10/10/2003
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Thanks everybody for all the input, running the Maxxis load range E at 75 lbs still gives me plenty of capacity and it looks like this is the direction that I will go, my current tires are the Karrier Loadstars(Kenda?), no problems yet but with Ameri-camp out of business obtaining replacement parts to repair damage caused by a major blowout would be difficult, with better tires hopefully something that wont happen.
GaryL
2001 Dodge CTD 4x4 HO 6-spd SWB Club cab
Ameri-camp F265DS, high power mobile amateur radio
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kburgess
Lafayette, LA.
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Hello everyone. I am back after a couple of months away. Some may remember the problems I have been having with my chinese tires from TIRECO. My 3rd failure occurred on June 28 at 3:30 in the morning just 17 miles from home. I have been waiting on TIRECO to settle my claim since then. They did send me 5 new tires from china but have decided to pay only half of the $4,000.00 repair bill. Upper management has decided this as well as denying any future claims I might have. I have decided against using the tires they sent and try to purchase American made tires. Anyone out there interested in a class action suit against these creeps?
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JIMNLIN
Big Cabin, OK
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Joined: 09/14/2003
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W7AAD wrote:Thanks everybody for all the input, running the Maxxis load range E at 75 lbs still gives me plenty of capacity and it looks like this is the direction that I will go, my current tires are the Karrier Loadstars(Kenda?), no problems yet but with Ameri-camp out of business obtaining replacement parts to repair damage caused by a major blowout would be difficult, with better tires hopefully something that wont happen.
good choice.
Steel trailer wheels that are overinflated usually split around the bead seat flange as weight is added. Aluminum wheels can crack just about anywhere from over pressure.
Wheel and tire manufactures know that pressure increases as the tire heats up from hauling. A 75 psi wheel that is over pressured to 80 psi can become severally overpressured at 90 psi from normal highway heating.
My stock steel truck and trailer wheels say 80 psi but I have seen over 90 psi hauling max tire/axle loads and interstate speeds.
"good judgment comes from experience, and a lot of that comes from bad judgment" Will Rogers
'03 2500 QC Dodge/Cummins HO 3.73 6 speed manual Jacobs Westach Linex
'97 Park Avanue 28' 5er with two slides 16" BFG Commercial LTs
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Vulcaneer
Northern New England
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Joined: 10/17/2007
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W7AAD wrote:I have gone thru hundreds of posts of tire failures but dont recall seeing anything on wheel failures under these circumstances, has anybody had an actual wheel failure, what happens and what damage does it do ? I would imagine that there is some degree of safety margin built in and that I would be ok with this scenario but not sure?
My concern would not be with towing on overloaded rims. But I would be very careful NOT to air up a tire over the max pressure of the rim. I don't like to even air up to the max specified pressure of a rim. Especially a China made rim. When towing on an overinflated rim, failures usually are less severe. But if a rim fails during the airing up process, the results are CATASTOPHIC. And likely life threatening. And tireshops use explosion chambers when airing up high pressure tires. Relatively, 80 PSI may not be all that high, compared to MH or Semi tires. But 80 PSI is still pretty explosive.
Although I have never seen a tire explosion, I have seen men in the hospital, that had a rim blow up in their face.
And while I have no first hand experience, I would be more concerned with a cast wheel (aluminum) than a stamped (steel) wheel. Just seems to me that castings are more likely to be manufactured with cracks in the material sub-structure. But this is just my opinion using experience/logic and not very much real expertise. But it is something to think about.
2006 F350 V10 4X4 SC SB SRW 4.30 22,500 GCWR
Keystone Sprinter 33'9" 12,500 GVWR
Pullrite Super Glide 18K
Super Duty, Super Cab, SuperGlide
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