Johnson, this is a common setup here in Scandinavia for a long long time cause they always are pulling a pup that has to be loaded as well. Back in the day (in the sixties++) they used to have the loading crane behind the cab just like most setups here on this thread. Some cranes are easy detachable for increased payloads.
Before this it was used winches with steel rope mounted on the truck for loading, but thats another story----
By the way, post #4 in this thread gives good info on the subject
Regards Sigurd