A prototype of the heavy tank developed in the early 1960s. The 111 project was based on the design of the IS-2 and IS-3 Soviet tanks and was supposed to be similar to the T-10. Among all other variants of the 111 tank, this vehicle featured improved frontal armor. Development was discontinued in 1964.
The technical characteristics shown are for the Siege mode
Characteristics are specified for a vehicle with crew members trained to 100%.