Developed from 1942 through 1944, the heavy tank destroyer, with the chassis of the Tiger II heavy tank, became the heaviest mass-produced armored vehicle ever. According to various sources, 70–79 tank destroyers were manufactured from 1944 through 1945. The vehicles saw service in the 653rd and 512th Heavy Panzerjäger Battalions.
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%.