Model created in 3D Studio Max 2009 and converted in multiple formats. All formats include materials and texture maps. The Max format uses mental ray materials and render. There's no need for a third party plugin or anything else, just drop your model in the scene and hit render.
The turret is a separate object and may be rotated at will.
The Iosif Stalin tank (or IS tank, named after the Soviet leader Iosif Stalin), was a heavy tank developed by the Soviet Union during World War II.The IS-2 was put into service in April 1944, and was used as a spearhead in the Battle for Berlin by the Red Army in the final stage of the war.