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.

models

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

specifications

•  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