Tusaş Engine Industries
Tusaş Engine Industries is an aerospace engine manufacturer and a design center for the production of engines and engine parts for commercial and military aircraft. It is based in Eskişehir, Turkey.
TEI was founded in 1985 as a joint venture between Turkish Aerospace Industries and GE Aerospace, the Turkish Armed Forces Foundation, and the Turkish Aeronautical Association.
History
The company started with component manufacturing for the General Electric F110 engines in the F-16 aircraft of the Turkish Air Force. Since 2010, great importance has been given to domestic design and a large amount of resources have been allocated. TEI designed 13 engines in a 10-year period between 2014 and 2024. Flights were carried out with 7 of these engines. 6 of them entered mass production. TEI is developing Türkiye's first turbofan engine, TEI-TF6000. The company's long-term goal is for Türkiye to become a self-sufficient country in the field of aviation engines.TEI's employee count was 1,200 in 2014. This number increased to 4,000 in 2025. In 2014, 70 percent of employees were blue-collar. By 2025, 57 percent of employees were white-collar. In 2024, the company achieved $400 million worth of exports. In 2025, the company announced that it would produce the TF-35000, which will be the engine for Türkiye's domestically produced TAI Kaan fighter jet.
Products and projects
Indigenous engines
- TEI-PD170 turbodiesel aviation engines for the TAI Anka UAVs
- TEI-PD222ST turbodiesel aviation engine
- TEI-PG50 2-stroke gasoline aviation engine
- TEI-PG50S 2-stroke gasoline aviation engine
- TEI-TJ300 turbojet medium range anti-ship missile engine
- TEI-TJ90 turbojet engine for UAVs, including TAI Şimşek target drone
- TEI-TJ35 turbojet engine
- TEI-TP38 turboprop engine
- TEI TS1400 turboshaft aviation engine for rotary wing applications such as the TAI T625 Gökbey, T-129 ATAK
- TEI TS3000 turboshaft aviation engine for rotary wing applications such as the TAI T925, TAI T929 ATAK 2
- TEI-TF6000 turbofan engine
- TEI-TF10000 turbofan engine
- TEI-TF35000 turbofan engine
Licensed engines
- General Electric T700 for the T-70, a local variant of the S-70 Black Hawk
- General Electric F110 engines
- LHTEC T800 turboshaft engines for rotary wing applications such as the T-129 Atak