Here we are just out of Custer State Park, SD in road construction. 10 miles of rough, muddy, rocky, steep, dusty, dirty road. They had to have a lead vehicle to bring each string of vehicles though the construction zone.
Here we are atop the Bighorn Mountains, WY. Powder River Pass. 9666 feet of elevation. One hour of 2nd gear, 3500-4000 rpms. Engine and transmission temps topped out at 224 degrees each.