Load range E--ST Tire
Just bought my first RV. It's used with 2yr old tires. I'm planning a long trip and all the talk about the tires is confusing. My travel trailer is 28ft with dry weight of 6000 lbs. The tires say ma...
Forum Discussion
Bob2952 wrote:
The tires say maximum cold tire pressure is 80 psi.
Because the tires are ST are they safe to use with 80psi and an average speed of 60mph?
ST tires (and LT tires when used on a trailer) are design and safe to run at their maximum pressure. There are speed rating for all tires, (not sure if it is on the sidewall), but I do know that unless the tire is specifically stamped "not safe for highway use", it can be run at legal highway speeds all day long !
Ply rating and letter ratings on tires are "old school". All tires sold in the US MUST have their load ratings, stated in pounds, embossed on the sidewall.
