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CapriRacer's avatar
CapriRacer
Explorer II
Feb 07, 2012

Revived Trailer Tire Thread (formerly on the 5th Wheel Forum

OK, I'll try this again but with a different tack. I am of the opinion that ST tires should have a 15% reserve capacity (85% of the load at a given pressure) in order to be reasonably sure they wo...
OldGreaser's avatar
OldGreaser
Explorer
Feb 23, 2012
Hi FE,

I believe CapriRacer explained this much earlier. My understanding is that a different K factor is used for ST's than for LT's. The LT load rating displayed on the tire is calculated with a greater safety factor and it is possible that an LT marked 3042# could be stronger than an ST marked 3640#.
CapriRacer, please correct me if I am wrong.

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