Comparing: Lorraine 40 t vs. AMX 50 100

A single prototype was manufactured in 1952. The vehicle featured suspension air-core tires and oscillating turret. The design passed trials but never entered mass production.

The AMX 50 100 heavy tank was a further development of the M4 project. The first prototype was built in 1949. The 55-ton vehicle featured a 100-mm gun in the oscillating turret. The prototype was tested with gasoline and diesel engines from 1950 through 1952. The vehicle never entered mass production nor saw service.