The vehicle was developed on the basis of the Renault FT French light tank. The first prototype was manufactured in 1919. From 1921 through 1930, a total of 150 vehicles with autoloading guns and machineguns were produced, 26 of them were exported. The vehicle saw action until 1943.
Time for the successive autoreloading of each shell into the magazine.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.