World War II 

VK 4502 (P) Ausf. B - German heavy tank project, under development by Dr. Ferdinand Porsche in the Second World War. Standard will not be built. 

Sdkfz 251/17 - Schutzenpanzerwagen (2 cm FlaK38). Anti-aircraft use with either a 20 mm Flak 30 or Flak 38. Also a variant called "Schwebenlafette". 

The Char 2C (also known as FCM 2C) was a French super-heavy tank developed, although never deployed, during World War I. It was the largest (in physical dimensions) operational tank ever. 

In 1944, Krupp built a prototype of this super heavy mineclearing vehicle.
The 130t vehicle was articulated in the centre, and was suspended on 2.7m diameter steel wheels.
These were set on different track widths at front and re...

The T-34 was a Soviet medium tank produced from 1940 to 1958. Although its armour and armament were surpassed by later tanks of the era, it has been often credited as the most effective, efficient and influential design of World War II.[4] Firs...

VK 4502 (P) Ausf. B - German heavy tank project, under development by Dr. Ferdinand Porsche in the Second World War. Standard will not be built. 

The E-75 Standardpanzer was intended to be the standard heavy tank to be used as a replacement of the Tiger II and Jagdtiger. The E-75 would have been built on the same production lines as the E-50 for ease of manufacture, and the two vehicles ...