• The basic engine design is about 18 inches in diameter and 45 inches long. 

• In the front of the engine there is an eight-stage axial-flow compressor powered by two turbine stages. 

• At full throttle at sea level without afterburner, the engine consumes approximately 400 gallons of fuel per hour. 

• At cruise altitude and power, the engine consumes approximately 100 gallons per hour.

The J85 offers the highest thrust-to-weight ratio (rated at 2720 lb.s.t.,  4080 lb.s.t. with afterburning) of any production engine in its class.  The engine has more than 75 million flight hours experience on military and commercial aircraft.