Original: Three suppliers provide turbofan engines for the A320 series : CFM International with their CFM56 , International Aero Engines , offering the V2500 and Pratt & Whitney whose PW6000 engines are only available for the A318 variant .
Simplified: Design Engines The A319 , A320 and A321 have engines made by two different companies ; International Aero Engines ( IAE ) supply the V2500 and CFM International provide the CFM56 .