Shvetsov M-62/ASh-62

Shvetsov developed the license built Wright R-1820 Cyclone (M-25) into the M-62. This engine had a two-stage supercharger and an improved induction system.
In 1941, the Soviet Union changed its aircraft and engine designations to a constructor system. The M-62 was redesignated the ASh-62. Including the related M-63, over 67,000 were produced.


  • M-62: 1,000 hp (746 kW)
  • ASh-62: 1,000 hp (746 kW)


  •  9 cylinder, air-cooled, radial
  • two-speed supercharger
  • displacement: 1,823 cubic inches (29.8 litres)
  • bore x stroke: 6.125 x 6.875 inches

used by

  • Antonov An-2
  • Polikarpov I-16
  • Polikarpov I-153