A total of six ten-car sets were built by Japan Transport Engineering Company (J-TREC) for use on Sōtetsu Shin-Yokohama Line services.

[2] The interior is based on that of the 20000 series[5] and has LED lighting which adjusts automatically according to the time of day.

Spaces for wheelchairs and strollers are also provided; they also feature surveillance cameras.

[5] They have stainless steel car bodies,[7] which are painted in the "Yokohama Navy Blue" corporate livery.

[1] In April 2018, Sotetsu announced the introduction of a new train type for Sōtetsu JR Link Line services.