Shvetsov ASh-62IR installed in An-2
The Antonov An-2 is a single-engine biplane utility/agricultural aircraft designed in the USSR in 1946.
The Shvetsov ASh-62 (designated M-62 before 1941) is a nine-cylinder, air-cooled, radial aircraft engine produced in the Soviet Union. A version of this engine is produced in the People's Republic of China as the HS-5.
Canadian Aviation Blog