A TF39 on a C-5 Galaxy at ILA (Internationale LuftfahrtAusstellung) in Berlin, 2008
Type
High-bypass turbofan
National origin
United States
Manufacturer
GE Aviation
First run
1964
Major applications
Lockheed C-5 Galaxy
Number built
463
Developed into
General Electric CF6 General Electric LM2500
The General Electric TF39 is a high-bypass turbofan engine that was developed to power the Lockheed C-5 Galaxy. The TF39 was the first high-power, high-bypass jet engine developed. The TF39 was further developed into the CF6 series of engines, and formed the basis of the LM2500 and LM6000 marine and industrial gas turbine. On September 7, 2017, the last active C-5A powered with TF39 engines made its final flight to Davis-Monthan Air Force Base for retirement.[1][2] The TF39 was effectively retired, and all remaining active C-5 Galaxys are now powered by F138 (General Electric CF6-80C2) engines.
^Smith, Hanna (8 September 2017). "And then there were none, the final C-5A departs Westover ARB for retirement > Westover Air Reserve Base > Article Display".
^Balik, Roland (12 April 2016). "An era of Dover-built TF39 engines throttles down". Air Mobility Command. Retrieved 9 February 2023.
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