Wow! Thanks so much for the feedback! You guys rock!
Good news for me. I found a new to me pickup, so the worries of using my old one is in the past.
My new pickup is a 2008 Dodge Ram 3500 Cummins 6.7L quad cab long bed. It has 71,400 miles on it. I had it checked over carefully by a reputable Diesel shop. So I am good to go! Next is to get a camper. You may see me post in other threads in this forum.
My old pickup will be going up for sale this Spring, along with a gooseneck horse trailer, so I am sure it will sell quickly, as those are in demand here in Iowa. The truck was garaged every winter and there is no rust, so it is in great condition for its age. I will miss it though, it has a lot of memories.