发达的J.V.斯大林学院WPRA机械化和机动化程序项目（？）。多个消息源表明始于1949年。车辆有一个前置的发动机舱,和后置战斗室。该坦克还处于项目阶段就被取消了。
Developed as a J.V. Stalin Academy of the WPRA Mechanization and Motorization Program project. According to numerous sources it started in 1949. The vehicle had a forward placed engine bay, and the fighting compartment in the back, something unseen in a soviet tank. The tank was canceled during the project phase.
