JR 교토 선
In September 2004, JR-West unveiled the 3-car "U@tech" (you, Urban Network, ubiquitous, future + technology) experimental EMU converted from former Kawasaki Heavy Industries KuMoHa 223-9001, which was the prototype of the 223-2000 series and Seto-Ōhashi Line 213 series cars. This set is used to test and develop new technology for use on future narrow-gauge trains. The train is based at Suita Depot and began testing on the JR Kyoto Line and JR Kōbe Line from August 2004. and withdrawn in 31 March 2019.