The Mikulin M-36 is a Soviet aircraft engine designed in the late 1940s. It is a liquid-cooled, V-12 piston engine that was primarily used in military aircraft. The M-36 was known for its reliability and performance, making it suitable for various applications during its operational period. This engine produced around 1,200 horsepower and was notable for its use in the Tupolev Tu-4, a Soviet bomber that was a reverse-engineered version of the American B-29 Superfortress. The M-36 contributed to the development of Soviet aviation technology in the post-World War II era.