Thread: Tires
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Old 02-18-2016, 10:55 AM   #4
CALinSC
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Join Date: Nov 2015
Location: Taylors, SC
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Max load has a different meaning for trailer tires because max load for them is going to be minus the hitch weight whereas for motor homes max load is GVWR.

The TRA has approved a maximum speed rating of 81 MPH for all ST tires. All new ST tires will have a speed letter code on their sidewalls. There is no speed letter code for 65 MPH. The letter K = 68 MPH, L = 75 MPH and M = 81 MPH.

There are about five "off shore" tire manufacturers building the steel cased tire like the G614. Because of reduced tariffs they are much less expensive. They are also building a like sized steel cased ST tire with a 4080# load capacity at 110 psi.
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