Shvetsov ASh-82

ASh-82
Preserved Shvetsov ASh-82 at the Prague Aviation Museum, Kbely
Type Radial engine
National origin Soviet Union
Manufacturer Shvetsov & Evich, OKB-19 in Perm'
First run 1940
Major applications Lavochkin La-5
Mil Mi-4
Petlyakov Pe-8
Polikarpov I-185
Sukhoi Su-2
Number built 70,000 (57,898 of Ash-82, 82F & 82FN in wartime)
Developed from Shvetsov M-62
Developed into Shvetsov ASh-21

The Shvetsov ASh-82 (M-82) is a Soviet 14-cylinder, two-row, air-cooled radial aircraft engine developed from the Shvetsov M-62. The M-62 was the result of development of the M-25, which was a licensed version of the Wright R-1820 Cyclone.