I live in southwestern Virginia, and was on my way to Fairfax, VA to see my dad. Traveling north I-81 at exit 200 and a white dually power stroke went by me that had six people in the truck, 2 large bails of hay in the back, pulling a 30ft horse trailer full of horses, and a 15ft horse trailer hooked on this one full of horses as well. I was doing about 75 and he just flew by me, he had to be going at least 90 miles an hour. In my opinion that is one strong power stroke! What do you think the GVW would be on that?