Later the war, the 42M Toldi II had be modified with an 40mm 37/42M gun, wich becomes the 42M Toldi IIa. Later, a new tank will be designed from the IIa, the 43M Told III. The Büssing NAG L8V/36TR engine, used since the 38M Toldi I, had be replace by the more powerfull Ganz VIII VGT 107 Gasoline engine. There are no documents found about the service of the tank.