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The General Electric CF34 is a civilian turbofan developed by GE Aircraft Engines from its TF34 military engine. The CF34 is used on a number of jet airliners, including the Bombardier CRJ series, the Embraer E-Jets, and the Chinese ARJ21 under development. As of 2012, there are over 5,600 engines in service.

CF34
Canadair CL-600-2B19 Regional Jet CRJ-200LR, UTair Aviation AN2213397.jpg
A CF34 installed on a Bombardier CRJ200
Type Turbofan
National origin United States
Manufacturer General Electric
First run 1982
Major applications Bombardier Challenger 601/604/605
Bombardier Challenger 850
Bombardier CRJ
Comac ARJ21
Embraer E-Jets
Unit cost CF34-8C5: $4 million (2012)
CF34-10E: $7.3 Million (2012)
Developed from General Electric TF34
Developed into General Electric NG34
A CF34-8 mounted on the #2 (inner) pylon of GE's Boeing 747-100 flight test aircraft at Mojave Airport in 2002
CF34 engine mounted on an Embraer E-190
Recent versions of the CF34 feature chevrons on the core nozzle outlet.

The General Electric CF34 is a civilian turbofan developed by GE Aircraft Engines from its TF34 military engine. The CF34 is used on a number of jet airliners, including the Bombardier CRJ series, the Embraer E-Jets, and the Chinese ARJ21 under development. As of 2012, there are over 5,600 engines in service.

Celebrating 25 years of CF34-powered regional jets

Step back in time to 1992 (and before) to discover how GE Aviation's CF34 family of engines helped pave the way for today's vital regional commercial aviation ...

CF34-3 - Remote Oil Servicing - GE Aviation Maintenance Minute

This video describes the basic use of the remote engine oil servicing system and highlights maintenance procedures to prevent over servicing of system.

GE CF34-8C walk around

An up close look at the General Electric CF34-8c used on a Crj900.

StandardAero Performs World Class MRO for CF34 and CFM56-7B Engines

StandardAero is the world's first Repair and Overhaul Company to hold GE Authorized CF34™ Service Provider status and have been providing support to fleet ...

CF34-8C Fan Vibes Podcast

This video podcast goes beyond FCOM training material and provides CF34-8C operators with techniques for reducing amber level fan vibes in flight when ...

E190, CF34-10E engine start and idle.

Engine start of the E190 #1 engine. The white smoke is preservative oils burning off from the overhaul shop.