Airframer
Log in
Track the aircraft, companies and sectors you follow — log in to start, or see how it works ›
Products & equipment › Turbofan Engines

Product

LEAP-1B

29000 lbf thrust, twin-spool, high bypass, turbofan engine

In the news

18/07/2026Open Fan advances toward flight test demonstrationpress release
06/02/2018LEAP engine surpasses 600,000 flight hourspress release
14/11/2017LEAP engine delivering on commitmentspress release
21/06/2017LEAP Engines awarded 180-minute ETOPS certificationpress release
19/06/2017Boeing launches 737 MAX 10 powered by Leap-1B enginespress release
13/04/2017CFM Leap-1B powered Boeing 737 MAX 9 takes to the skiespress release
13/10/2016CFM56 reaches record production rate as CFM delivers 30,000th enginepress release
04/05/2016CFM LEAP-1B achieves joint EASA/FAA certificationpress release
29/01/2016CFM LEAP-1B takes flight powering Boeing 737 MAXpress release
29/10/2015CFM delivers first LEAP-1B engines to Boeingpress release
14/06/2015LEAP engine continues to deliverpress release
07/05/2015CFM LEAP-1B engine begins extensive flight test programpress release

+ 6 earlier items in our archive.

Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.

Manufacturer

CFM International Inc.

Category

Turbine Engines — Turbofan Engines

Applications

Boeing 737 MAXLEAP-1B28/1B28B1/1B27/1B25 (737 MAX 8); LEAP-1B28G/1B28B1G/1B27G (737 MAX 9); LEAP-1B (737 MAX 10)