We bought Hankook AH11 8R19.5 tires. The RV totally loaded weighs 13000 lbs with 4800lbs up front and 8200lbs in back. . This means 2400 lbs on the front and 2050 lbs on the back tires. They e-mailed me the chart below for the 8R19.5 size which was not on their general chart.
Since we fall off the low end of the chart I e-mailed them to see what pressure they thought we should run at for our RV weight. They feel 65 psi is ok and that is also what is printed on the RV door.
We've had these tires over 2 years now. Love them! Great traction in the mountains on the forest service dirt roads. Great stability when driving the RV. Can't hear any road noise from them. No issues in driving rain. We've been very happy and I would buy them again. They appear to be very high quality. We keep the pressure at 70 psi due to the need to increase it for altitude where we live
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