Comparing: B1 vs. Durchbruchswagen 2

Development was started in 1921. Due to extended trials the vehicle did not enter service until 1934. A total of 403 tanks in two basic modifications were manufactured from 1935 through 1940.

Prototype of a heavy tank, developed by the Henschel und Sohn company. The prototype was built in 1938. In September 1939 the VK 30.01 project was preferred, and the DW program was canceled. However, the DW I and DW II prototypes were used for various trials until 1941.