AKA Spz 12-3
http://en.wikipedia.org/wiki/Sch%C3%...zer_Lang_HS.30
Cutting dismounts to 6 with 2 crew (assume commander dismounts) will be easy, as that infantry class is only used by these an then the marders - and the marders do not overlap them in service.
Seems it really was junk - And it may have been worse than the FV432 even. That's some going
!.
Pity, as back in the day (1970 or thereabouts) I had tons of these in 1/87 ROCO plastics in my wargaming army, since they looked rather cool, and the 20mm was a nice can-opener to have.
Andy