Well, all the attachments (dozer blade, trencher, loader, backhoe, forklift, and crane) are American. That's a Vermeer trencher, the backhoes are Case 580s, and the forklifts are by Cascade, for example.
The "FLU" in FLU 419 stands for Freightliner Unimog, but it seems like Freightliner only...