This is in mame: 18w http://mamedev.org/source/src/mame/drivers/mw18w.c.html It is very incomplete and needs scans of all the multiple artwork layers and the backdrop/road reel. And a 3d model of the little truck figurine too.
LN
"When life gives you zombies... *CHA-CHIK!* ...you make zombie-ade!"