Tracks of 2 Tumbleweeds

After putting just under 300,000 miles on my 2013 Silverado, the heavy travel trailers I was hauling finally caught up to my truck. My transmission let go. I had to decide whether to replace the transmission on a truck with high miles and other maintenance due or to replace the truck. In hindsight, I should have replaced the transmission, but instead, I made another mistake. In 2016 I purchased a GMC 3500HD Duelly with a 6 liter gas engine. It was my first 4-door truck (