Link	Kawasaki C151	Siemens C651	Kawasaki Nippon Sharyo C751B	Kawasaki Qingdao SiFang C151A	Kawasaki Qingdao SiFang C151B	Kawasaki Qingdao SiFang C151C
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Lines served	North South Line, East West Line	North South Line, East West Line	North South Line, East West Line	North South Line, East West Line	North South Line, East West Line	North South Line, East West Line
Maximum speed	80 km/h	80 km/h	80 km/h	80 km/h	80 km/h	80 km/h
Capacity	1,920 Passengers	1,920 passengers	1,920 passengers	1,920 passengers	1,920 passengers	1,920 passengers
STARiS	Ja	Ja	Ja	Ja	Ja	Ja
STARiS 2.0	Nein	Nein	Nein	Nein	Ja	Ja
Enter service	November 7th, 1987	May 2nd, 1995	May 8th, 2000	May 27th, 2011	April 16th, 2017	September 30th, 2018
Refurbishment	2006-2008	2016-2018	TBA	TBA	TBA	TBA