Heavy tank?
Looks like a Toldi I, 8.5 tons, 20mm gun.
http://en.wikipedia.org/wiki/Toldi_%28tank%29
Better view here:
http://tankove_muzeum.sweb.cz/museum/toldi2.html
Found the one in the back. It’s a 39M Csaba 4 wheeled armored car. About 6 tons, 2mm cannon and a couple of light machine guns.