Scheduled Maintenance: We will be conducting scheduled maintenance on Sept​ 15th from 10:00 PM EST to Sept 16th 9:00 PM EST. During this time MyAerospace application​s will be temporarily unavailable. We apologize for any inconvenience this may cause.

Your browser is not supported.

For the best experience, please access this site using the latest version of the following browsers:

Close This Window

By closing this window you acknowledge that your experience on this website may be degraded.


Honeywell’s Engine Upgrade For The Ch-47 Chinook

Honeywell’s New T55 Upgrade - The 714c

  • Next-generation T55 is easier to maintain with lower operating costs and increased readiness for the warfighter.
  • Doubles the operating range for ‘high, hot and heavy’ missions at max payload.
  • Engine modernization program fully-funded by Honeywell.
  • 6,000-shp class engine is 20% more powerful and consumes 8% less fuel than current T55
  • Incorporates considerable maintainer feedback, including many lessons from the current CH-47 engine

✔  Increased power, efficiency, durability, reliability and maintainability.

✔  Battle tested engine comes equipped with high sand tolerance.

✔  "Drop-in" enhancement for the T55-714A with very minor aircraft changes for deployment flexibility.

✔  Responsive to U.S. Army maintainer feedback, converting on lessons from current CH-47 engine.

✔  Upgrade Kit easily installable during overhaul. Customers can also choose a new production engine.

✔  Affordable - 50% less cost than other engine upgrade options.

Available Downloads  (4)
Available Downloads  (4)
Honeywell T55 Turboshaft Engine
Download File Multiple Download been Selected
Blog - Honeywell Teaches Legendary T55 Some New Tricks
Download File Multiple Download been Selected
Ready to Take on Anything - T55-GA-714C Engine Infographic
Download File Multiple Download been Selected
T55-714C Turboshaft Engine Upgrade Infographic
Download File Multiple Download been Selected

Want to talk to our engine team or receive our T55-714C white paper?

Featured Posts & News

Watch our videos and learn more about Chinook and our advanced turboshaft engine

Want To Know More About Defense?

Sign up to be alerted when Honeywell's publishing something new.