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Wright R-2600

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File:Wright R-2600 Engine.jpg
Wright R-2600 Cyclone Radial Engine

The Wright R-2600 Cyclone 14 (also called Twin Cyclone) was an American radial engine developed by Curtiss-Wright and widely used in aircraft in the 1930s and 1940s.


In 1935, Curtiss-Wright began work on a more powerful version of their successful R-1820 (Cyclone 9). The result was the R-2600, with 14 cylinders in two rows. The engine was used to power several key World War II aircraft including the A-20 Havoc, B-25 Mitchell, and TBF Avenger bombers, and the PBM Mariner flying boat.

Over 50,000 R-2600s were built at plants in Caldwell, New Jersey, and Cincinnati, Ohio.


  • R-2600-3 - 1,600 hp (1,194 kW)
  • R-2600-19 - 1,600 hp (1,194 kW)
  • R-2600-8 - 1,700 hp (1,268 kW)
  • R-2600-12 - 1,700 hp (1,268 kW)
  • R-2600-13 - 1,700 hp (1,268 kW)
  • R-2600-29 - 1,850 hp (1,380 kW)
  • R-2600-20 - 1,900 hp (1,420 kW)
  • R-2600-22 - 1,900 hp (1,420 kW)

Specifications (GR-2600-C14)





  • Bridgman, L, (ed.) (1998) Jane's fighting aircraft of World War II. Crescent. ISBN 0-517-67964-7

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