|Engine Power (hp)||1050|
|Speed Limit (km/h)||55|
|Standard Shell Penetration (mm)||247 - 334|
|Standard Shell Damage||345 - 575|
|Rate of Fire (rounds/min)||7.1|
The development of a heavy tank destroyer on the basis of the IS-7 heavy tank was started in 1950. Three design projects were developed, one of which resulted in a full-size wooden prototype. However, further development was discontinued due to phasing out the IS-7 mass-production.