|Engine Power (hp)||650|
|Speed Limit (km/h)||38|
|Standard Shell Penetration (mm)||136 - 184|
|Standard Shell Damage||300 - 500|
|Rate of Fire (rounds/min)||4.0|
Mass production of the vehicle started in May 1945. On September 7,1945, IS-3 tanks took part in the Allied Victory Parade through Berlin. A total of 1170 vehicles were manufactured by the end of 1946, when production was canceled. From 1948 through the late 1950s, the tanks underwent a number of modernization refits.