The PZI design bureau was given the task to figure out a way to make a Polish made copy of the British Vickers-Armstrong 6-ton tank. It was a 9 ton vehicle with a twin turret.
A Saurer engine was installed making the 7 TP the first diesel powered tank to be in production.
Used by the 10th Mechanized Brigade against the German 4th Panzer Division's advance on Krakow.
Used for police, anti-partisan, and tractor duties.