The vehicle entered service in 1917, with 3,177 vehicles manufactured by the end of World War I and 3,800 vehicles produced in total. At the beginning of World War II, a total of 1,560 vehicles were in service.
Time for the successive autoreloading of each shell into the magazine.
Characteristics are specified for Siege mode.
The technical characteristics are displayed for the charged turbine mode.
Characteristics are specified for Rapid mode.
Reload time of the first and second guns on double-barreled vehicles.
Characteristics are specified for vehicles with crews trained to 100%.