Premium Vehicles
A Tier VIII Premium Soviet heavy tank. One of the IS-4 prototypes with good overall armoring and, consequently, good survivability that makes it efficient both in offence and defence. The vehicle has modest dynamic characteristics, so you should choose your direction carefully.
A Soviet heavy tank project. At one of its development stages, the vehicle received the Object 701 designation and was renamed the IS-4. Contains some engineering solutions applied to the IS-3 heavy tank. The K-2 existed only in design documentation and as a wooden prototype.
Commander
Radio Operator
UPGRADES
Upgrades are a unique mechanic for Tier XI vehicles that allow you to further enhance a vehicle's characteristics.
This is a Premium vehicle. Premium vehicles earn more credits and experience per battle, and provide a range of other bonuses.
Characteristics are specified for vehicles with crews trained to 100%.