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As of 1 March 2017, 25 Class EH200 locomotives are in service (EH200-901 and EH200-1 to EH200-24).
Variants
EH200-900: Prototype locomotive EH200-901, built 2001
EH200-0: Full-production locomotives built from 2003 onward
EH200-901 prototype
The pre-production prototype, EH200-901, was delivered to Takasaki depot in 2001, and entered revenue service in October 2002 following extensive testing.
Prototype EH200-901 at Hachiōji station in September 2003
EH200-0 full-production version
Following evaluation of the prototype version, the first full-production locomotive, EH200-1, was delivered to Takasaki in March 2003. A number of minor improvements were incorporated, with the main external differences from the prototype being as follows.
Elimination of centre pillar in the cab windscreens
The EH200 classification for this locomotive type is explained below. As with previous locomotive designs, the prototype is numbered EH200-901, with subsequent production locomotives numbered from EH200-1 onward.
Jr機関車カタログ: Jr7社の現有30形式を詳しく解說 JR機関車カタログ [JR Locomotive Catalogue]. Japan: Ikaros Publications Ltd. 20 June 2013. pp. 48–50. ISBN9784863207271.
^ Jēāru zensharyō handobukku: Rail Magazine 2009 JR全車輌ハンドブック2009 [JR Rolling Stock Handbook 2009]. Japan: Neko Publishing. 2009. p. 42. ISBN978-4-7770-0836-0.
ELダイヤ情報21 [Electric Loco Timetable Information 21]. Tokyo, Japan: Kotsu Shimbunsha. October 2012. pp. 36–37. ISBN978-4330320120.
Kisumi, Kenzo (April 2017). 世代交代が進むJR貨物の機関車 [Advances in handover between generations for JR Freight locomotives]. Tetsudo Club (in Japanese). Vol. 2. Japan: Cosmic Publishing. p. 98. ISBN978-4-7747-8338-3.