rayrbrooks wrote:
We purchased a Keystone Alpine 5er in January of 12. At about 8400 miles, we blew a tire. I thought that I had hit something on the road, but with a blow out, who knows. About 300 miles later, the other wheel on that side blew, again, no reason why. On my way back from having the damage from the last blowout fixed, I blew a third tire, one on the other side.
The tires are Roadmaster TowMax STR. These were the origional equipment on this rig.
My question is: Is anybody else having this problem with these tires?
All ST ties have a history of early to very early failures when being operated close to their maximum load capacity. ST tire manufacturers will tell you that their design can/will degrade as much as one third as early as three years.
When given a little more load capacity reserves those tires will last out to their estimated life expectancy. On your axles with a full load they will not.
After a few recalls for inaccurate certification labels, Keystone has started to get it right. I’m pretty sure you have 7000# axles that have been limited to somewhere around 6750#. A quick check of the information on your certification label will confirm that. Here is a picture I took of a Montana’s certification label. It’s in your weight range and the GAWRs are 6750#.
Click HereYour best replacement options are three fold. Go to a LRF 16” ST tire, Go to a LRG 16” LT tire, or Go to a 17.5” medium duty truck tire, LRH or LRJ.
FastEagle
