the Tokyu Den-en-toshi Line to serve central, southwestern Tokyo and Kanagawa Prefecture, while the Tojo Line interoperates with the Tokyo Metro Fukutoshin Line, Tokyo Metro Yurakucho Line, Tokyu Toyoko Line and Minatomirai Line to serve central and southwest Tokyo and Kanagawa Prefecture. Main Lines Tobu Tojo Lines Rolling stock , Tobu Railway operates a fleet of 1,890 electric multiple unit (EMU) vehicles, the third largest fleet for a private railway operator in Japan after Tokyo Metro (2,728 vehicles) and Kintetsu (1,905). Express EMUs 300/350 series EMU (introduced 1991, 300 series variant operated until 2017) 200/250 series EMU Ryōmō (introduced 1991) 100 series EMU Spacia (introduced 1990) 634 series EMU Skytree Train (introduced 2012) 500 series 3-car EMUs (introduced in April 2017) Eight new three-car 500 series EMU trains were introduced on limited express services on lines from Asakusa in 21 April 2017. Commuter EMUs 8000 series EMU (introduced 1963) 800/850 series EMU 9000 series EMU (introduced 1981) 10000 series EMU (introduced 1983) 20000 series EMU (introduced 1988) 30000 series EMU (introduced 1996) 50000 series EMU (introduced 2005) 60000 series EMU (introduced June 2013) 70000 series EMU (since 7 July 2017) Steam locomotive Tobu plans to operate steam-hauled tourist services on the Kinugawa Line from 10 August 2017 using JNR Class C11 steam locomotive C11 207 loaned from JR Hokkaido together with JNR Class DE10 diesel locomotive DE10 1099 purchased from JR East, a fleet of six 12 and 14 series coaches purchased from JR Shikoku, and two Yo 8000 brake vans purchased from JR Freight and JR East. Withdrawn types Express EMUs 1700/1720 series 1800 series 5700 series 6000 series 6050 series Commuter EMUs 2000 series 3000 series 5000 series (1979–2006) 7300 series 7800 series DMUs KiHa 2000 series Steam locomotives Tobu B1 Class 4-4-0 (1898) References Further reading External links Tobu Group website Railway companies of Japan Companies listed on the Tokyo Stock Exchange Transport companies based in Tokyo Japanese companies established in 1897 Fuyo Group Railway companies established in 1897