Most people I know use 36" wire crates to travel with their shepherds. I have three of them bungeed in my minivan. I get the ones with a door on the end, and one on the side, so I have more options in placing them in the van.
~ Diane in Okla
Carly ~ AKC Ch, GCh pointed, HIC
Sage ~ AKC Ch pointed, HIC
Russell ~ future show dog