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TFE731 Turbofan Engine

TFE731 Turbofan Engine

TFE731 Turbofan Engine

Multiple TFE731 models offer 3,500 to 5,000 pounds of thrust, backed by more than 100 million flight hours of proven experience, performance, and reliability.

Our TFE731 family of engines has a legacy of proven reliability.

The first TFE731 was certified in 1972. Since that time, 20 different models with more than 13,000 units have been produced, logging an astounding 100 million plus hours of service on more than 30 different aircraft applications. The TFE731 gives you everything you want in an engine with proven experience, performance, and reliability.

Though most people would be satisfied with the performance of the legendary TFE731 turbofan engine, our engineers have continued to make engine improvements. In fact, for the TFE731-50R engine, they made 70 improvements to the already robust engine, including improved core and low-pressure spool technologies, new digital electronic engine control (DEEC) and a complete nacelle and thrust reverser system.

These changes resulted in greater versatility, dramatically improved temperature margins, a better lapse rate than the TFE731-5BR and, depending on altitude condition, up to eight percent better specific fuel consumption (SFC).

Turbofan Comparison

Model

Engine Type  Market  Parameter
       Max Envelope Diameter  Length Takeoff Thrust 
       inch  cm  inch cm  Sea Level (lbf)
TFE731-2
Turbofans  Business Jet / Military Trainer  39.4  100.1 59.9  152.1 3500 
TFE731-3 Turbofans  Business Jet / Military Trainer  39.4  100.1  59.9  152.1  3700 
TFE731-4R
Turbofans  Business Jet   39.4  100.1  60.2  152.9  4080 
TFE731-5R
Turbofans  Business Jet   40.5 102.9  65.6  166.6  4500 
TFE731-5AR
Turbofans  Business Jet   40.5  102.9  91.1  231.4  4500 
TFE731-5BR
Turbofans  Business Jet   40.5  102.9  91.1  231.4  4750 
TFE731-20R Turbofans  Business Jet  39.4  100.1  60.9  154.7  3650 
TFE731-20AR
Turbofans  Business Jet  39.4  100.1  60.9  154.7  3650 
TFE731-20BR  Turbofans  Business Jet  39.4  100.1  60.9  154.7  3650 
TFE731-40  Turbofans  Business Jet / Military Trainer  39.4  100.1  60.9  154.7  4250 
TFE731-40AR  Turbofans  Business Jet   39.4  100.1  60.9  154.7  4420 
TFE731-50R  Turbofans  Business Jet  40.4  102.6  82.3  209.0  5000 
TFE731-60  Turbofans  Business Jet  42.4  107.7  82.3  209.0  5000 
HTF7000  Turbofans  Business Jet  44.1  112.0  96.8  245.9  6944 
HTF7350B  Turbofans  Business Jet  44.1  112.0  89.9  228.3  7530 
HTF7250G  Turbofans  Business Jet 44.1  112.0  89.9  228.3  7765 
HTF7500E  Turbofans  Business Jet  43.9  111.5  89.9  228.3  7638 
F124-GA-100  Turbofans Military Trainer / Attack Aircraft  36.0  91.4  66.8  169.7  5890 
F124-GA-200  Turbofans  Military Trainer / Attack Aircraft  36.0  91.4  102.1  259.3  5870 
F125IN (dry)  Turbofans  Attack Aircraft  36.0  91.4  123.5  313.7  5760 
F125IN (max afterburner)  Turbofans  Attack Aircraft  36.0  91.4  124.0  315.0  9080 

CM = Centimeter
LBF = Pounds of Force