I haven't tried them on my Tremor, but I run them on my 4runner. I run them in a C load range as it smooths out the otherwise rigid ride of my lifted, weighted, trail pig. So far they are great on and off the road. The towing I do with the 4runner is just a little overland trailer that weights about 1500lbs fully loaded, so I can't really speak to the heavy load aspect.
I'm considering either this tire or the Cooper AT3 XLT in a 35x12.5x18 for the Tremor when it arrives.
Ran the Coopers on my Tundra and absolutely no complaints on the pavement or off either. Both are great-looking tires. They also both have an F load range in a true 35" tire that matches the load rating of the OEM Duratracs.
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