I want kettenkrads to pull AT guns. I'd begin the game by decrewing every enemy AT gun I can with whatever anti-infantry weaponry I can get, then pull all of them back to my own spawn. Would be cool.
I am suddenly reminded of those old Russian "Fear" Tanks.
http://en.wikipedia.org/wiki/NI_Tank"In one memorable episode, the tanks entered a village occupied by German troops and while under fire were able to tow away 24 German guns."