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Old 06-11-2015, 06:06 AM   #21
cw3jason
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I am curious how my Power King Trailer King II tires will hold up. Looks like keystone switched to these instead of the towmax. They look to be better quality and I can see no defects in them. I have not seen any bad reviews. Only time will tell

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Old 06-11-2015, 06:10 AM   #22
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Originally Posted by notanlines View Post
CW, I don't quite understand your comment about the Towmax tires. Are you promoting them, or just stating what the manufacturer claims? I think we've pretty well determined over many conversations on this site and a number of others that the Towmax tire is garbage.
Sorry, I don't promote tires. The message was intended to be informational. Many people are unaware of the differences in load capacities provided with the ST235/80R16E tires. They can be purchased with 3420#, 3500# and 3520# of load capacity, all at 80 psi.

Often times original equipment tires get a bad rep because they are mistreated and damaged long before the first owner takes control of them.

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Old 06-11-2015, 01:36 PM   #23
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Sorry, I don't promote tires. The message was intended to be informational. Many people are unaware of the differences in load capacities provided with the ST235/80R16E tires. They can be purchased with 3420#, 3500# and 3520# of load capacity, all at 80 psi.

Often times original equipment tires get a bad rep because they are mistreated and damaged long before the first owner takes control of them.

CW
Yeah, you have to do the math on capacities. I've got Dexter 5200# axles with Maxxis 235 80 16's on them. Lots of spare capacity.
No telling what those RV transporters do to the tires. You think they even check pressure?? Naaa....ain't their RV.
Lets see if we can get a "rise" out of the transporters on the forum. LOL
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Old 06-11-2015, 05:53 PM   #24
cb1000rider
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Curious about mine too. I'm concerned with the load range F, which works out correct for the weight, but it right on the upper end.

They're "Trailer King" ST235/80R16 - Make load 3520 @ 80psi.

At gross for a carbon, we're talking about 16500 (GVWR) - 2950 (PIN) = 13550 weight on the tires.

That's 3387 lb on tires rated for 3520 (dual) configuration. Again, totally in weight bounds... Moving up to a G rated tire - I don't want to throw money away...

The NTSB has zero complaints for "Trailer King" - so that's good... I see a few good posts.

I'll tell you - I'd love to see Keystone offer upgraded axle/tire options - I could care less about the latest stereo, but axles and tires built to do more than GVWR mean something to me.
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Old 06-12-2015, 05:34 AM   #25
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The tires on your trailer are in a "single" configuration - not "dual".
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Old 06-12-2015, 06:04 AM   #26
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Originally Posted by cb1000rider View Post
Curious about mine too. the load range F, which works out correct for the weight, but it right on the upper end. I'm concerned with

They're "Trailer King" ST235/80R16 - Make load 3520 @ 80psi.

At gross for a carbon, we're talking about 16500 (GVWR) - 2950 (PIN) = 13550 weight on the tires.

That's 3387 lb on tires rated for 3520 (dual) configuration. Again, totally in weight bounds... Moving up to a G rated tire - I don't want to throw money away...

The NTSB has zero complaints for "Trailer King" - so that's good... I see a few good posts.

I'll tell you - I'd love to see Keystone offer upgraded axle/tire options - I could care less about the latest stereo, but axles and tires built to do more than GVWR mean something to me.
I did not want to spend the $ for g rated either.
I did buy F rated 12 ply Hercules and moved to a 235/85/16 .
I think they are rated @3960 single @90 psi
No problems to report yet.
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Old 06-12-2015, 06:28 AM   #27
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My 2015 Montana High Country has the Trailer King tires. I had them balanced a couple of weeks ago and the tire guy told me I had 3 bad tires. Haha. 1 of them only took 1 ounce but the other 3 took 5 to 7 ounces. We talked for a while about tires made in China. His take on it was the biggest problem with the "cheap" Chinese tires is the way they load them in the conex boxes to ship them. He said they "wad" as many as they can get in each conex box to keep shipping down. This flattens and twists the tires and causes harm by busting some of the plys. That is why they take several ounces to balance out. Sounds good to me, but I really don't know. I hope to not have a blowout until I get some Bridgestone Duravis R250's on mine.
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Old 06-12-2015, 07:06 AM   #28
cb1000rider
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I didn't notice - are they not balanced from Keystone/Lippart? Typically I balance all of my trailer tires...
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Old 06-12-2015, 07:40 AM   #29
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From what I understand, none of them are balanced from the factory. Some people think trailer tires do not need to be balanced because your not riding in it. I think that any tire, that is running anywhere near highway speeds, should be balanced.
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Old 06-12-2015, 07:44 AM   #30
cb1000rider
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Me too.. I had a 5x10 cargo trailer and a misbalanced tire literally caused some weld failures over 5k miles. I'll add getting the tires balanced to my pre-trip to-do list.

Seems absolutely silly not to have them balanced.
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Old 06-12-2015, 11:53 AM   #31
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Originally Posted by cb1000rider View Post
Curious about mine too. I'm concerned with the load range F, which works out correct for the weight, but it right on the upper end.

They're "Trailer King" ST235/80R16 - Make load 3520 @ 80psi.

At gross for a carbon, we're talking about 16500 (GVWR) - 2950 (PIN) = 13550 weight on the tires.

That's 3387 lb on tires rated for 3520 (dual) configuration. Again, totally in weight bounds... Moving up to a G rated tire - I don't want to throw money away...

The NTSB has zero complaints for "Trailer King" - so that's good... I see a few good posts.

I'll tell you - I'd love to see Keystone offer upgraded axle/tire options - I could care less about the latest stereo, but axles and tires built to do more than GVWR mean something to me.
This information is out there. When you read as much about tires as I do you will find it. The ST tire degrades faster than other tires, as high as 10% per year when using most of itís load capacity all the time. So your 3520# tires should not be expected to last two years at their current loads. Just a 5% loss of load capacity will have them down to 3344# in the first year.

Itís the reason a lot of trailer owners have early failures. Search Carlisle tire documents if you really want the shock. They say their tires may degrade by 33% after three years.

CW
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Old 07-02-2015, 09:02 AM   #32
Drew Waller
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Thumbs down Not balanced condition?

the tires not being balanced causes vibrations inside the trailer structure which causes all the wood screws to unscrew and the nuts and bolts on evert thing to loosen up like there doing on my Raptor 332TS. also shakes all the lights off the ceiling and walls.
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Old 07-02-2015, 09:53 AM   #33
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the tires not being balanced causes vibrations inside the trailer structure which causes all the wood screws to unscrew and the nuts and bolts on evert thing to loosen up like there doing on my Raptor 332TS. also shakes all the lights off the ceiling and walls.
In addition to wheel/tire balancing, there are shock absorber kits available for travel trailers. If you've ever had a travel trailer with shocks, you know the difference already, if not, suffice to say there is a remarkable difference in how the trailer "rides".
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Old 07-04-2015, 01:00 PM   #34
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Yes Sir vibration indeed. I installed the Dexter EZ Flex equalizers with the wet bolt kit after having the wheels balanced. It is so smooth now I cant believe it.
Even my decals vibrated off, LOL maybe I'll paint it Loc-Tite red so all the spots match. The F load tires are wearing like iron.
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Old 07-11-2015, 08:27 AM   #35
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Well guess we've just been lucky then. Had a 91' Dutchman TT and run nuttin but ST Marathon's on it, then bought an 07 Cougar TT a that came with ST Duro's and replaced them with a couple sets of ST Tow Master "Greenballs" and now have our iddy biddy 5er that is running ST Trailer Kings. We average bout 10 thousand miles a year and knock on wood have never had a flat or blowout. Maybe cuz we're bout 2000 lbs under the GVWR when it's loaded, I don't know. Did have two of the Duro's get thread pealed off cuz the flimsy fender skirt brackets broke and got into the thread and pealed some thread off em but they never blew. Only balanced the replacement sets, never the OEM tires. Why? FWK's
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Old 07-22-2015, 12:01 PM   #36
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tire date - check them!

Have the same tire towmax on our 2011 fuzion, it is kept in a garage year round except when we travel to Myrtle Beach once a year... and we have about 1000 miles on our tires and had a flat on the way this year. When we took the tire in, we asked the tire dealer about the cause of a tire with such low milage to do this, and he showed us the date on the tire. It was date back to 2001 on a 2011 5th wheel. Thanks keysone for rotating you stock tires... all the other tires are dated 2010. even the spare but the one tire was 2001.
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Old 07-22-2015, 12:22 PM   #37
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Have the same tire towmax on our 2011 fuzion, it is kept in a garage year round except when we travel to Myrtle Beach once a year... and we have about 1000 miles on our tires and had a flat on the way this year. When we took the tire in, we asked the tire dealer about the cause of a tire with such low milage to do this, and he showed us the date on the tire. It was date back to 2001 on a 2011 5th wheel. Thanks keysone for rotating you stock tires... all the other tires are dated 2010. even the spare but the one tire was 2001.
If that TowMax tire has STR on it's sidewall, it was not made in 2001. Their STR tires have a nylon overlay which was produced about 2007.

On edit: Keystone is required by federal regulations to provide NHTSA with the tire serial numbers for your OE tires and keep that information in their files for 5 years.
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Old 07-30-2015, 01:42 PM   #38
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the tires not being balanced causes vibrations inside the trailer structure which causes all the wood screws to unscrew and the nuts and bolts on evert thing to loosen up like there doing on my Raptor 332TS. also shakes all the lights off the ceiling and walls.
And IMO if you put on tires that are too much overkill and stiff you will contribute to the above in a big way.
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Old 08-05-2015, 06:00 PM   #39
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I have a 2013 335TG, it had the to max on it one on interstate the spare then started to separate on the rest of ride home. I installed the Goodyear 614RST G rated tires. Does anyone know what the aluminum wheel is rated at as far as air pressure. I have them set at 80psi and they look a lot better than stock , but can add more air if rims can take it.
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Old 08-08-2015, 07:00 PM   #40
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FFirst of all stop whining about Chinese tires. Even Maxxis , which everyone is in love with is made in Thailand. They are all garbage and without changing them every couple of years were all on a wing and a prayer. Until we petition the govt and show there is a real danger we will continue to run on substandard tires.
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