Michelin Defender. I have 40,000 miles on these, probably will replace before this winter. Wife and I drove 9800 miles last September from NY to Glacier, Oregon, Northern California & back with our Ram 3500 SRW shortbed. Truck handled great, even on the 80 mph highways. We have a 2003 Travel Lite, I weighed it a long time ago, but can't remember what it was. Seems like just over 3000#
Data below is from the Tire Rack website.
LT275/70R18
125R
Load Index 125 = 3,690lbs (1677kg) per tire
Speed Rating “R” = 106mph (170kph)
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