The Mikulin M-105 is a Soviet aircraft engine designed in the late 1930s. It is a V-12 liquid-cooled engine, known for its reliability and power. The M-105 was primarily used in various Soviet fighter aircraft during World War II, contributing to the performance of planes like the Yakolev Yak-1 and Mikoyan-Gurevich MiG-3. This engine produced around 1,000 horsepower and was notable for its relatively lightweight design. The M-105 played a significant role in enhancing the capabilities of Soviet air forces, helping to establish air superiority during critical battles in the war.