I stand corrected, sort of, but not really. I knew they had stopped making over-the-road truck engines, which have to meet a stricter emission standard than vocational trucks (semi-offroad stuff like dump trucks), and I ASSumed that they had also stopped making engines for vocational trucks. And they have. I have been in the middle east and away from the trucking industry for a few years, so I am behind the times. It seems CAT has a joint (rebadging) venture with International (Navistar): http://www.truckersnews.com/for-the-record-18/
It's an interesting idea, but I think Internationals are junk and CAT's are overrated.