Another Blowout!
So........ brand new tire.... date code 22-14...... driving to Charleston, SC on I-95.... we start smelling hot rubber. We pull off the interstate and check the tires. Everything looks great. Get b...
Forum Discussion
10forty2 wrote:ssia2485 wrote:
I looked that tire up on their web site. There are 2 different load range tires in that type. Hopefully you had the heavier load range. Even that looks to be a fairly light duty tire for what you are doing with it. What is the weight on the rear axle. If it is much more than 60% of the tire rating you will have problems. That's why most of the bigger rigs went to 22.5 truck tires. Motor homes exert a lot of force on the rear tires due to the long overhang in the rear. You might want to look at a heavier duty tire.
Mine are the 245/70R19.5 G. The load range for them on Goodyear's web site is 4,410 in a dual configuration. Single max load is 4,540. The speed rating is listed at 75mph. So with that, at max cold inflation of 110psi, each rear dual wheel configuration should be capable of carrying a max load of 8,820lbs for a total of 17,640lbs on the rear axle.
Bridgestone lists comparable load ranges and Michelin is actually less load.
Ok You have the better tire. That's good. Now you should get the rig weighed. 60% of 17,640 is 10,600. If you are much heavier than that on the rear duals you will get very short life from your tires. Remember as your rig bounces down the road you can exert double the static weight placed on the tire. I would keep that tire inflated to the max pressure recommended.
