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The General Electric J85-5 is a single-shaft axial-flow turbojet engine that generates up to 2,680 lbf (11.921 kilonewtons) thrust dry and 3,850 lbf (17.126 kN) afterburning thrust. It weighs 584 pounds (265 kilograms), which can vary depending on additional equipment.

Nicknamed “Little Tough Guy” for measuring 18 inches wide and 45 inches long, the J85-5 is among the most successful and longest-running military jet engines in service, with the civilian versions having reported more than 16.5 million hours of operation.

The J85-GE-5 is used on the T38 military trainer aircraft and the F5 military fighter jet. It remains in active service in at least 35 countries.

Most Comprehensive Provider of J85-5 MRO Solutions

Aero Turbine Inc. offers complete engine overhaul and management services using seasoned industry knowledge and world-class standards. Whether you want to change your whole engine or its smaller components, we can offer you different solutions that range from consultation to the complete handling of a J85-5 engine swap.

For more information regarding the services we provide, write to us at or dial +1 (209) 983-1112 to speak with our senior customer service associate.