I haven't seen any P/E for sale for the 1/16 semis. There are some people doing some personal castings (wheels, tires, engines), but no P/E that I know of.
Thanks for the information. If he ever does reissue them, I'll have to get one. It'll keep me from attempting to scratchbuild one. Do you have a Website link or email for Heinz?
For those of you who are unfamilar with the DAF XT, here are a few photos of the only DAF XT in existance. It was custom built by DAF for A. Jansen B.V in The Netherlands. Here is their Web page about it:
http://www.ajansenbv.com/en/news-2/introduction-daf-xt
I've also found a few "close-ups":
But this truck really peaked my interest. It's an IVECO Strator (PowerStar in Australia):