Here’s an interesting article in the May 1945 issue of Popular Science about welding on the battlefield that includes several references to using jeeps as portable welding units. There is a copy on eBay for only $5.99. Here are a couple images from the article:
Popular-Science Research Archives
The Last Chancer: A Jeep Train in Helena, MT
The Last Chancer, a wooden train built on a jeep platform, is documented at the Helena History Museum. You can view additional pictures at the Museum page. A Last Chance Train still exists, but has been upgraded.
In this early picture taken in 1954 you can see what appears to be a CJ-3B peering out from it’s enclosure.
Here is the Train as of 1957.
The Last Chancer made an appearance in the 1956 issue of Popular Science on page 104:
Photo of Truck Powering a PTO Saw
The September 1947 issue of Popular Science has this cool picture of a truck powering a saw.