Just weighed my 3950 ready to roll and I'm already at GVWR!
My weights Pin, FWD, Mid and Rear axle are 4660, 4500, 4300, and 4620, respectively. I had a full load of water so I'll drop 10 gals or so and be right on the numbers.
Except for too much water weight forward, I'm about 1500+ under...