[1] The first unit produced for TCDD Transport was delivered to the Adapazarı train station on 27 April 2023.

[1] After being exhibited at various stations in Istanbul in May, the train made its inaugural journey on May 27 along the Adapazarı-Gebze line.

[4] In 2013, TÜVASAŞ was tasked with the production of domestically-produced diesel and electrical multiple unit trains.

TÜVASAŞ originally planned on first delivering the electrical, and later the diesel multiple units,[5] with a deadline to test the first prototype in December 2018.

[10] The train was planned to reach an operational speed of 225 km/h (140 mph) by the end of 2023,[11] but this has since been made its own project.