My TH is 2 months old now with OE "BlowMax" tires. I've put approximately 3,000 miles on them. I keep them aired to the 85 psi rating and check them often. I've very careful not to scrub or c...
On our camper the first OEM tire (General American) blew on a hot west Texas day at around three years out and did $1600 in damage. Replaced them with a Goodyear Titan LR-E, balanced, aired correctly, lasted 9 months from date of manufacture at a plant across the Pacific ocean. With ST tires it is "How good is your luck!"