| Design work on the Panther II began in February 1943. The main aim was to secure maximum interchangeability of parts with the Tiger II heavy tank in order to ease manufacturing. The Panther II had a hull similar to the Tiger Ausf. B, and also shared identical wheels, track, suspension and brakes. One of the parts to be changed was the gun-mantlet, which had to become smaller. This was referred to in German as Turm mit schmaler Blende (narrow-mantlet turret). The Panther II project never got further than one single chassis, that now can be seen in the Patton Museum. The only other significant differences between the Panther and the Panther II were running gear, and increased armor protection. The turret was exactly the same on both types. The Panther II was only designed with the 7.5 cm KwK L/70 in mind, and the 8.8 cm KwK L/71 idea didn't enter into consideration after the Panther II project had been dropped. | 
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