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I could be wrong but having such a strong built tire under some 5th wheels might transfer stress to the 5th wheel instead of the suspension. You want a little flex in tire. Just thinking out load.
I could be wrong but having such a strong built tire under some 5th wheels might transfer stress to the 5th wheel instead of the suspension. You want a little flex in tire. Just thinking out load.
The manufacturers put the H-rated Cooper tires (4805lb load rating) under the 5th wheels from the factory. The Continental tires have a 4800lb load rating at 125psi. The 5th wheels they put them under all have 14k, 16k or a triple 7k axles for 21k axle ratings. 4 of the J-rated tires have a total load rating of 18,600 with tandem axles or 28,800 under a triple axle. I ran them at 110psi and they wore great.
I dont like how the Cooper tires pick up rocks. Although I have over 50k miles on them I have picked out some rocks that cut into the rubber in between the treads. I ran over a nail and it hit the steel belts and deflected. Still doesn't leak. The Continental tires do not pick up rocks like that they eject them a lot better. They are both great tires but the Continental would be what I replaced the Coopers with if I own it that long.
One downfall for people who like to drive fast is that they are only L speed rated so 75mph max.
One downfall for people who like to drive fast is that they are only L speed rated so 75mph max.
Interesting stuff, thanks for sharing.
The 75mph limit wouldn't be an issue for me, personally I am more comfortable between 65-70 towing. More just to keep the range up, my 34 gallon tank only lasts so long.
One downfall for people who like to drive fast is that they are only L speed rated so 75mph max.
I'd argue that's faster than most trailers/campers need to be traveling anyway, but you see them going faster than that quite often... Do they make a trailer tire rated for more than 75 MPH?
I'd argue that's faster than most trailers/campers need to be traveling anyway, but you see them going faster than that quite often... Do they make a trailer tire rated for more than 75 MPH?
A couple months back traveling I40 through NM at the tail end of a long drive in the pickup cruise set 75 and this Duramax pulling a decent size Airstream blows by me like I'm standing still with little kids bikes in the bed of the truck. There are ding dongs out rolling the family dice at that speed they're all dead if something bad happens.
I'd argue that's faster than most trailers/campers need to be traveling anyway, but you see them going faster than that quite often... Do they make a trailer tire rated for more than 75 MPH?
I agree with that. My wife and I were doing a trip to Nebraska and South Dakota two years ago and we were moving along at 70. Somewhere in Utah we had a guy with a SRW truck and a Solitude blow by us, had to of been doing about 80-85. About 200 yards ahead we see the trailer flop down on the driver's side and a tire rolling through the median at Mach 10. Luckily it hit a bridge on the other side sending it about 50 feet in the air. Luckily it didn't hit the cars on the other side of the freeway.
Sad part is, that guy went on maintaining speed with sparks flying everywhere for about another 3 or 4 miles before we saw the truck and trailer pulled over on the side of the road with him and his wife staring at the missing wheel blankly. She did not look happy lol. That thing tore up that side of the trailer when it flew off too.
I was passed climbing a 7% grade at 60mph and the speed limit was 55. The Cummins towing a triple axle toy hauler blew by me like I was standing still and I was just humming along and I guess he needed to get to the top faster than everyone else. Every bump in the road looked 10x worse on his truck and trailer than mine in my mirror.
There a few threads here in the truck forum that should get moved to the appropriate 5th wheel/ trailer section. Figured with many new members posting towing questions in the truck section it's just the new way.
"blew" (or at least belt shifted) two trailer tires, towing 4K lbs on a 14k trailer. Have to love Chinese trailer tire crap.
Never seen one that wasn't worn down to the "cords", have the strands just push themselves out of the tread.
(see pic below)
I switched to BFG Commercial LT's on my deck over. Going to do the same on this one.
We switched to a 235/80/16 14 ply tire (load range G), the 10 ply trailer tires are junk. They were very susceptible to tread separation & broken belts. 14 ply tires run $150-175 per tire, well worth the cost.
At least now some of the better RV manufacturers are mounting good tires at the factory. I think Jayco is using GY Endurance on nearly all trailers and a lot of the larger fifth wheels with 17.5”s that I’ve seen have Coopers on them. But there are still lots of China bombs on new campers too.
Our Outdoors RV came with Goodyear Endurance tires too; one less thing to worry about.
Here is the thing with Chinabombs. 4 years max road time, then throw them away. Always run at max pressure. Never exceed 65 MPH regardless of the speed rating on the sidewall. Bumps at high speeds separate the belts leading to tires like that posted above. Always monitor the pressure and temp and don't let them get hot. Always keep them covered from sunlight, it kills them quickly.
I have those Castle Rocks on my 2020, so they are due to be replaced. So far been lucky, none of them show signs of belt separation or tread displacement.
We switched to a 235/80/16 14 ply tire (load range G), the 10 ply trailer tires are junk. They were very susceptible to tread separation & broken belts. 14 ply tires run $150-175 per tire, well worth the cost.
Here is the thing with Chinabombs. 4 years max road time, then throw them away. Always run at max pressure. Never exceed 65 MPH regardless of the speed rating on the sidewall. Bumps at high speeds separate the belts leading to tires like that posted above. Always monitor the pressure and temp and don't let them get hot. Always keep them covered from sunlight, it kills them quickly.
I have those Castle Rocks on my 2020, so they are due to be replaced. So far been lucky, none of them show signs of belt separation or tread displacement.
I was originally going to put my 6200 lb offroad toy on the back, a lighter pickup bed camper on the front, and some gear.
Hence the 14K rating. At this point, I am going to lengthen it about 3 feet and use it strictly as a car trailer (to/from race tracks)
The absolute most I might have on it, will be about 8K (and only if I can fit two cars on it). Trailer is 2100, might be 2200 when I'm done.
So really, the LT235/85R16 with a speed rating of 106, load rated 3042 each (and that's on a steering and/or axle under power), should suit me fine.
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Have to love Chinese trailer tire crap.
