I'm pretty sure the vehicle in that pic is an HPI Wheely King chassis, either using the Crawler King kit, or custom crawler mods. I think the Crawler King may be more of what you are looking for, or even the regular Wheely King.
Wheely King:
http://www.hpiracing.com/kitinfo/10830/
Crawler King (based on Wheely King):
http://www.hpiracing.com/kitinfo/102115/