The Soviet T-34 is a medium tank that was first produced in 1940 and became one of the most effective and influential tanks of World War II. It featured a sloped armor design, which improved its defensive capabilities, and was equipped with a powerful 76.2 mm gun, later upgraded to an 85 mm gun in the T-34-85 variant. The T-34 was known for its mobility, reliability, and ease of production, allowing the Soviet Union to manufacture thousands of units during the war. Its design influenced many future tank models and solidified its reputation as a key asset in armored warfare.