LOFAT36ExplorerSep 19, 2016Tire pressureMy trailer has ST 225/75R15 Load range D tires. From what I find on the web these tires should run at 65 PSI. However a label from Forest River attached to the trailer reads these tires should run at ...Show More
rbpruExplorer IISep 19, 2016That's strange, I have not heard of a D range tire at 50 psi.My ST 205's are rated C at 55 psi and D at 65 psi. I would definitely check with the tire maker.Steel valves are used with 85 psi. tires so the 65 psi is a piece of cake. I still have the plain rubber one for my D rated tires.