The Sotetsu 13000 series () is an electric multiple unit (EMU) train type on order by the private railway operator Sagami Railway (Sotetsu) for use on commuter services in Kanagawa Prefecture, Japan. Design. The interior design is based on that of the earlier 12000 series, with the 13000 series' end cars each featuring six additional seats over those of the earlier trains. Operations. The train type will be used across the Sotetsu network. Instead of being formed of 10 cars like the 8000 and 9000 series trainsets the new trains are due to replace, Sotetsu decided that initial 13000 series sets would use an 8-car formation, citing population trends along the railway. However, Sotetsu expressed that it was willing to reconsider its plans if needed. History. The new train type was first teased by Sotetsu on 7 February 2025. Sotetsu announced additional details for the 13000 series on 25 April 2025. One 8-car train is scheduled to be delivered in fiscal 2025 and enter revenue service in 2026.