After I have posted the answer please feel free to make any comments or post any photos you please, sometimes this can be the best part of the post. The What Am I is just another way to have fun with old trucks so let's have all have some fun and maybe learn something along the way as well. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.