Tamiya 1/35 Russian JS-2 Model 1944 chKZ 35289The Russian Tank that was too much for the Germans The Russian Heavy Tank JS 2 was built to overthrow the German Tiger I. Put into production in the latter half of WWII in December 1943, it had a long powerful 122mm gun and superior mobility. From August 1944 the upper part of the hatch was removed from the hull which greatly improved its survivability. The JS 2 was produced in the Chelyabinsk Kirov factory (ChKZ), and a characteristic of the tank is