it was assembled in the twin citys, the only production line still making north American rangers in 08. doesnt mean the parts arent from mexico or other places though. duratec's are assembled in michigan, 3.0's are assembled in ohio. 4.0's are cologne motors but i have no idea if they still go through the trouble of making them there and shipping them here.
The reason for the original post was because I read somewhere that the 4.0 block was made in Germany like ES894x4 said above. Made me wonder just how much is really USA. I also suspect a number of parts came from below the border but maybe some from Canada. In any case, I guess we really own a hybrid!!