Alfa Romeo D2
Motore aeronautico - Museo scienza tecnologia Milano 02330 dia.jpg
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 and 270 hp. The engine was designed by Vittorio Jano, 600 units were produced between 1931 and 1934.[1] This engine was also the first purpose-built aircraft engine produced by Alfa Romeo, previous Alfa engines used in aircraft were derived from engines used in cars. A supercharged derivative was produced as the D2 C.30.[2]

D2C supercharged derivative
D2C supercharged derivative


Specifications (D2 C.30)

Data from Jane's.[2]

General characteristics



See also

Related lists


  1. ^ "STORY OF THE ALFA ROMEO FACTORY AND PLANTS page 12" (PDF). Archived from the original (PDF) on 2007-09-29. Retrieved 2007-08-25.
  2. ^ a b Jane's All the World's Aircraft 1937. London: Sampson, Low & Martin company Limited. 1937. p. 67d.