Alfa Romeo D2

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Alfa Romeo D2.jpg
Alfa Romeo D2
Type nine-cylinder radial engine
Manufacturer Alfa Romeo
First run 1930s
Number built ~600

The Alfa Romeo D2 was a nine-cylinder radial engine for aircraft use produced in Italy. It was typically rated between 240-270 hp. The engine was designed by Vittorio Jano and produced 600 units between 1931-1934.[1] This engine was also first purpose-built aircraft engine produced by Alfa Romeo, before it all Alfa engines used in airplanes were derived from engines used in cars. A supercharged derivative was produced as the D2 C..



General characteristics

  • Type: Nine-cylinder radial engine
  • Bore: 120 mm (4.724 in.)
  • Stroke: 135 mm (5.315 in.)
  • Displacement: 13.74 L (838.5 cuin)



See also[edit]

Related lists


  1. ^ "STORY OF THE ALFA ROMEO FACTORY AND PLANTS page 12" (PDF). Archived (PDF) from the original on 2007-09-29. Retrieved 2007-08-25.