No, Premacon does not make one. No manufacture does. This is the 4th or 5th tracked jaw I've seen & one stationary jaw and all of them have been done by private individuals within Europe.
This is one has been around for better than 5yrs & is larger than 14th scale, might be 1/8th.
http://www.youtube.com/watch?v=Aq_uI...eature=related
Here's another one more recent.
http://www.youtube.com/watch?v=rC2ox...eature=related
I've been watching this one since it 1st began... it's just about done.
http://www.modell-baustelle.de/index...&threadID=4740