Ran across this this evening, appears to be a (chassis, maybe powertrain?) test mule for the 5th gen Rams: http://www.autoblog.com/2016/08/01/ram-1500-mega-cab-spy-shots/#slide-4005693 Of note for those of you TL;DR types: -Looks like wheel interchangeability is going away. it has 6 lug axles...