The Mikulin AM-3 is a Soviet aircraft engine designed in the 1940s. It is a liquid-cooled, V-12 piston engine that was primarily used in military aircraft. The AM-3 was known for its reliability and power, making it suitable for various fighter and bomber planes of the era. This engine produced around 1,500 horsepower and was notable for its performance in high-altitude conditions. The Mikulin design bureau, founded by Vladimir Mikulin, played a significant role in advancing Soviet aviation technology during and after World War II, contributing to the development of several successful aircraft engines.