Twelve FCM F1's were ordered in 1940 to replace a tank that was, in physical dimensions the largest what?
FCM F1:  Twelve were ordered in 1940 to replace the Char 2C, but France was defeated before construction could begin, a wooden mock-up being all that was finished. Char 2C:  It was, in physical dimensions, the largest operational tank ever made.
i don't know