Model CF34-3


Dependable Performance

The CF34-3 launched a new era in commercial aviation and today continues its world-class dependable performance in service around the world.


Engine Overview

The CF34-3 incorporates a unique combination of military and commercial airline experience and technology.

The resulting in-service performance has proven to meet the dependability and value demands of regional airline customers worldwide. Since its service entry in 1983 on the Challenger 601 Corporate Jet, the CF34 has earned an industry leading reputation as one of the cleanest, quietest, and most fuel-efficient engines in its class.

The CF34-3 entered regional jet service in 1992 on the Bombardier CRJ100. CF34 performance provides economy and excellent reliability for high utilization operations comparable to large commercial turbofan engines powering wide-body airliners.

Physical Information

Fan/Compressor Stages: 1/14

High Pressure Turbine/Low Pressure Turbine Stages: 2/4

Max Diameter (Inches): 49

Length (Inches): 103

Dry Weight (Lb.): 1,625 - 1,670

    Application Examples:
  • Bombardier CRJ100/-200
  • Bombardier Challenger 605/850

Power Specifications

Specific Fuel Consumption at Maximum Cruise: 0.69

Max. Power at Sea Level (Lb.): 9,220

Overall Pressure ratio at Maximum Power: 21:1

Bypass Ratio: 6.2:1