The Bombardier MOVIA C951 is the first generation electric multiple unit rolling stock in operation on the Downtown Line of Singapore's Mass Rapid Transit (MRT) system.

Note: Awarded amount to Bombardier as announced by LTA is at S$570.7 million, due to exercise of an option for medium frequency auxiliary inverters 73 trainsets consisting of three cars each were purchased at a cost of approximately S$570.7 million for passenger service.

[9] Bombardier beat Alstom, Kawasaki Heavy Industries and Hyundai Rotem in the tendering process as the lowest cost offered.

All 92 trains had completed their manufacturing in Changchun Bombardier Railway Vehicles factory, with some of them awaiting for their delivery into Singapore by mid-2017.

On 12 October 2012, the first of 11 trains for the Downtown Line Stage 1 arrived at Jurong Port and transported to Kim Chuan Depot to undergo testing by LTA before it is handed over to SBS Transit.

[13] LTA together with the operator, SBS Transit conducted the necessary tests to ensure safety standards, functional performance and systems compatibility requirements are met before revenue service of the DTL1 which began on 22 December 2013.

The Dynamic Route Map Display (DRMD) is a rail travel information system, newly introduced and developed for the C951 trains.