Prior to the Polish campaign , only 217 Panzer IVs had been produced : 35 Ausf .
The Panzer IV was originally intended to be used only on a limited scale , so initially Krupp was its sole manufacturer .
Prior to the Polish campaign , only 217 Panzer IV   had been produced : 35 Ausf .
The Panzer IV was originally intended to be used only on a limited scale , so initially Krupp was its sole manufacturer .