|Engine Power (hp)||700|
|Speed Limit (km/h)||42|
|Standard Shell Penetration (mm)||188 - 254|
|Standard Shell Damage||300 - 500|
|Rate of Fire (rounds/min)||4.3|
The development of the vehicle was started in 1949 by the Design Bureau of the Chelyabinsk Kirov Plant under the supervision of Joseph Kotin. In 1950 a preproduction batch of 10 vehicles was launched. After the vehicle underwent all trials and received upgrades, it was adopted for service in 1953 under the designation IS-8.