Kawasaki Heavy Industries & CSR Qingdao Sifang C151A is the fourth generation of rolling stock used on the Singapore MRT system. The trains operate on the East West Line and North South Line.
The trains began operation on 27 May 2011. They were built by Kawasaki Heavy Industries and CSR Sifang. 35 six-carriage trains, totalling 210 carriages, were built in China.