In 1958, the AMX company started developing a new medium tank under the Franco-German Standardpanzer (Standard Tank) program. It was supposed to be a 30-ton vehicle with high mobility and a powerful gun. Initially, the project was designated the Char 30 AP and featured a French 105-mm F1 cannon. Over the course of its development, the vehicle was constantly modified and, finally, turned into the AMX 30. The project was discontinued after one scale wooden prototype had been built.