The Alstom Movia R151 is the seventh generation electric multiple unit rolling stock introduced on the existing North South and East West lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by Alstom (formerly Bombardier) under Contract R151. The new rolling stock will replace all of the C151s, C651s and C751Bs, which have been in service for at least 20 years. These new trains are part of the North South and East West lines' core systems upgrade and renewal programme.
106 six-car high-capacity trainsets comprising 636 cars will be delivered from 2022 onwards, entering service on 4 June 2023. The design of the trains will be completed in Germany, in coordination with Bombardier's Singapore team. The trains will be manufactured in Bombardier's Changchun facility in China.
Overview[]
In the 2010s, after the first refurbishment work of C151 trains, there were plans to replace the older C151 trains with newer ones. Eventually, after the second refurbishment work of C151 trains which includes the replacement of permanent-magnet synchronous motor (PMSM) motors for the six MRT trains, plans to replace the older C151 trains came to fruition since January 2016. There are also plans to refurbish the C651 trains from January 2016. However, with the refurbishment works were terminated since September 2018, some of the C651 trains were taken out of service and sent for scrap with no refurbished C651 trains entered service.[1][2]
On 28 September 2020, it was announced that the Land Transport Authority had purchased 40 more R151 trainsets at a cost of S$337.8 million, to replace all 66 first-generation C151, all 19 second-generation C651 and all 21 third-generation C751B trains, which has been in service for more than 20 years. In addition, there are many C151, C651 and C751B trains were also taken out of service and sent for scrap. These trains will be deployed from 2023 onwards.[3]
The first two train sets arrived in Singapore on 21 February 2022 and are expected to enter service by the end of the year.[4][5]
R151 Delivery & Debut[]
In total, there are 67 R151 trains delivered with 59 of them in service.
| Trainset | Year Built | Delivered | Testing Dates | Debut | Set Replaced | Status and Remarks | Line(s) Served |
|---|---|---|---|---|---|---|---|
| 801/802 | 2022 | 16 January 2024 | 23 April 2024 - 24 May 2024 | 25 May 2024 | 321/322 | East West Line and North South Line | |
| 803/804 | 2022 | 15 January 2024 | 5 June 2024 - 28 June 2024 | 29 June 2024 | 345/346 | East West Line and North South Line | |
| 805/806 | 2022 | 21 February 2022 | 14 August 2022 - 28 December 2023 | 29 December 2023 | 045/046 | First trainset delivered to Singapore. | East West Line and North South Line |
| 807/808 | 2022 | 22 February 2022 | 28 February 2023 - 28 December 2023 | 29 December 2023 | 203/204 | ATI trainset. Also tested on NSL before coming fully to EWL for operations. | East West Line and North South Line |
| 809/810 | 2022 | 23 July 2022 | 29 October 2022 - 12 January 2024 | 13 January 2024 | 227/228 | ATI trainset. | East West Line and North South Line |
| 811/812 | 2022 | 23 July 2022 | 099/100 | ATI trainset; rumored to have one window damaged, laid-up in Tuas West Depot to this day. | |||
| 813/814 | 2022 | 4 August 2022 | 12 January 2023 - 9 June 2024 | 10 June 2024 | 339/340 | ATI trainset; tested on both East West and North South Lines, finally debuted after having the longest testing duration of all R151s so far. | East West Line and North South Line |
| 815/816 | 2022 | 5 August 2022 | 28 February 2023 - 26 November 2023 | 27 November 2023 | 217/218 | East West Line and North South Line | |
| 817/818 | 2022 | 12 January 2023 | 343/344 | Car 13818 crashed into the buffer stop at the end of the Tuas West Depot test track and derailed, sent back to China for repairs. | |||
| 819/820 | 2022 | 25 September 2022 | 26 March 2023 - 29 October 2023 | 30 October 2023 | 225/226 | East West Line and North South Line | |
| 821/822 | 2022 | 25 September 2022 | 26 May 2023 - 7 November 2023 | 8 November 2023 | 051/052 | East West Line and North South Line | |
| 823/824 | 2022 | 4 November 2022 | 17 March 2023 - 4 June 2023 | 5 June 2023 | 313/314 | East West Line and North South Line | |
| 825/826 | 2022 | 3 November 2022 | 13 April 2023 - 3 June 2023 | 4 June 2023 | 229/230 | First R151 trainset to debut on passenger service. | East West Line and North South Line |
| 827/828 | 2022 | 20 October 2022 | 7 June 2023 - 24 June 2023 | 25 June 2023 | 211/212 | Currently used for integration testing in ECID. | East West Line and North South Line |
| 829/830 | 2022 | 4 November 2022 | 29 June 2023 - 16 July 2023 | 17 July 2023 | 205/206 | East West Line and North South Line | |
| 831/832 | 2022 | 19 December 2022 | 22 August 2023 - 8 September 2023 | 9 September 2023 | 315/316 | Also known as the 'L' set because this trainset was skipped (833/834 debuted after 829/830 instead of 831/832). | East West Line and North South Line |
| 833/834 | 2022 | 22 December 2022 | 7 July 2023 - 28 July 2023 | 29 July 2023 | 231/232 | East West Line and North South Line | |
| 835/836 | 2022 | 12 January 2023 | 4 August 2023 - 29 August 2023 | 30 August 2023 | 095/096 | East West Line and North South Line | |
| 837/838 | 2022 | 25 July 2023 | 6 January 2024 - 29 January 2024 | 30 January 2024 | 209/210 | East West Line and North South Line | |
| 839/840 | 2022 | 25 July 2023 | 3 January 2024 - 19 January 2024 | 20 January 2024 | 235/236 | Debut set for NSL. | East West Line and North South Line |
| 841/842 | 2022 | 26 September 2023 | 19 January 2024 - 6 February 2024 | 7 February 2024 | 319/320 | East West Line and North South Line | |
| 843/844 | 2022 | 8 September 2023 | 27 January 2024 - 4 March 2024 | 5 March 2024 | 219/220 | East West Line and North South Line | |
| 845/846 | 2022 | 25 August 2023 | 31 October 2024 - 8 November 2024 | 9 November 2024 | 069/070 | Held in Tuas Depot for an extended period for unknown reason. | East West Line and North South Line |
| 847/848 | 2022 | 26 September 2023 | 12 March 2024 - 18 April 2024 | 19 April 2024 | 033/034 | East West Line and North South Line | |
| 849/850 | 2022 | 18 October 2023 | 27 April 2024 - 28 May 2024 | 29 May 2024 | 223/224 | East West Line and North South Line | |
| 851/852 | 2022 | 19 October 2023 | 10 June 2024 - 26 June 2024 | 27 June 2024 | 043/044 | East West Line and North South Line | |
| 853/854 | 2022 | 9 November 2023 | 14 May 2024 - 3 June 2024 | 4 June 2024 | 331/332 | East West Line and North South Line | |
| 855/856 | 2022 | 9 November 2023 | 28 June 2024 - 19 August 2024 | 20 August 2024 | 103/104 | Train developed a fault while testing with the detrainment ramp opened at the Tuas West Extension. | East West Line and North South Line |
| 857/858 | 2022 | 14 January 2024 | 20 March 2024 - 29 April 2024 | 30 April 2024 | 323/324 | East West Line and North South Line | |
| 859/860 | 2022 | 14 January 2024 | 13 July 2024 - 1 August 2024 | 2 August 2024 | 221/222 | East West Line and North South Line | |
| 861/862 | 2023 | 23 June 2023 | 7 February 2025 - 14 February 2025 | 15 February 2025 | 101/102 | Held in Tuas Depot for an extended period for unknown reason. | East West Line and North South Line |
| 863/864 | 2023 | 24 June 2023 | 14 February 2024 - 29 March 2024 | 30 March 2024 | 001/002 | East West Line and North South Line | |
| 865/866 | 2023 | 14 January 2024 | 20 October 2024 - 25 October 2024 | 26 October 2024 | 003/004 | At just 5 days after testing. | East West Line and North South Line |
| 867/868 | 2023 | 16 March 2024 | 4 November 2024 - 16 November 2024 | 17 November 2024 | 027/028 | East West Line and North South Line | |
| 869/870 | 2023 | 16 March 2024 | 14 November 2024 - 21 November 2024 | 22 November 2024 | 351/352 | East West Line and North South Line | |
| 871/872 | 2023 | 21 February 2024 | 26 November 2024 - 2 December 2024 | 3 December 2024 | 347/348 | East West Line and North South Line | |
| 873/874 | 2024 | 6 April 2024 | 23 July 2024 - 25 September 2024 | 26 September 2024 | 329/330 | Debuted as a shuttle train between Boon Lay and Jurong East during the major disruption on 26 September 2024. Also the first R151 to debut on NSL as an unscheduled extra train (TRN 737). | East West Line and North South Line |
| 875/876 | 2024 | 24 April 2024 | 17 August 2024 - 12 October 2024 | 13 October 2024 | 327/328 | East West Line and North South Line | |
| 877/878 | 2024 | 24 April 2024 | 29 August 2024 - 15 September 2024 | 16 September 2024 | 333/334 | East West Line and North South Line | |
| 879/880 | 2024 | 6 April 2024 | 9 September 2024 - 2 October 2024 | 3 October 2024 | 097/098 | First R151 train to make its debut run from CHD. | East West Line and North South Line |
| 881/882 | 2024 | 24 April 2024 | 19 September 2024 - 4 October 2024 | 5 October 2024 | 349/350 | East West Line and North South Line | |
| 883/884 | 2024 | 24 April 2024 | 23 September 2024 - 10 October 2024 | 11 October 2024 | 215/216 | East West Line and North South Line | |
| 885/886 | 2024 | 5 August 2024 | 29 November 2024 - 10 December 2024 | 11 December 2024 | 061/062 | East West Line and North South Line | |
| 887/888 | 2024 | 3 August 2024 | 11 December 2024 - 20 December 2024 | 21 December 2024 | 049/050 | East West Line and North South Line | |
| 889/890 | 2024 | 14 September 2024 | 18 December 2024 - 28 December 2024 | 29 December 2024 | 233/234 | East West Line and North South Line | |
| 891/892 | 2024 | 17 September 2024 | 26 December 2024 - 5 January 2025 | 6 January 2025 | 325/326 | East West Line and North South Line | |
| 893/894 | 2024 | 7 October 2024 | 9 January 2025 - 17 January 2025 | 18 January 2025 | 011/012 | East West Line and North South Line | |
| 895/896 | 2024 | 21 October 2024 | 2 January 2025 - 10 January 2025 | 11 January 2025 | 113/114 | East West Line and North South Line | |
| 897/898 | 2024 | 7 October 2024 | 19 January 2025 - 24 January 2025 | 25 January 2025 | 311/312 | East West Line and North South Line | |
| 901/902 | 2024 | 22 October 2024 | 21 Februrary 2025 - 2 March 2025 | 3 March 2025 | 335/336 | East West Line and North South Line | |
| 903/904 | 2024 | 22 October 2024 | 15 February 2025 - 25 February 2025 | 26 February 2025 | 213/214 | First 9XX series R151 to test and debut. | East West Line and North South Line |
| 905/906 | 2024 | 22 October 2024 | 21 March 2025 - 29 March 2025 | 30 March 2025 | 317/318 | East West Line and North South Line | |
| 907/908 | 2024 | 28 November 2024 | 5 March 2025 - 14 March 2025 | 15 March 2025 | 341/342 | East West Line and North South Line | |
| 909/910 | 2024 | 29 November 2024 | 14 March 2025 - 22 March 2025 | 23 March 2025 | 207/208 | East West Line and North South Line | |
| 911/912 | 2024 | 22 December 2024 | 127/128 | ||||
| 913/914 | 2024 | 11 December 2024 | 11 April 2025 - 19 April 2025 | 20 April 2025 | 237/238 | This set was delivered simultaneously with C751B EMU 337 (Cars 1337 and 2337) being sent for scrap. | East West Line and North South Line |
| 915/916 | 2024 | 25 January 2025 | 22 April 2025 - 15 May 2025 | 16 May 2025 | 059/060 | East West Line and North South Line | |
| 917/918 | 2024 | 21 December 2024 | 337/338 | This set was delivered simultaneously with C151 EMU 128 being sent for scrap. | |||
| 919/920 | 2024 | 27 January 2025 | 27 March 2025 - 6 April 2025 | 7 April 2025 | 029/030 | East West Line and North South Line | |
| 921/922 | 2024 | 19 March 2025 | 9 May 2025 - 18 May 2025 | 19 May 2025 | 119/120 | East West Line and North South Line | |
| 923/924 | 2024 | 9 December 2024 | 31 May 2025 - 8 June 2025 | 9 June 2025 | 201/202 | East West Line | |
| 925/926 | 2024 | 3 February 2025 (suspected) | 5 April 2025 - 10 May 2025 | 11 May 2025 | 041/042 | Rumored to be secretly delivered to Tuas Depot after C151 EMU 041 was sent for scrap. First seen testing in Tuas Depot on 21 March 2025. | East West Line and North South Line |
| 927/928 | 2024 | 4 February 2025 | 23 May 2025 - 31 May 2025 | 1 June 2025 | 019/020 | East West Line | |
| 929/930 | |||||||
| 931/932 | |||||||
| 933/934 | 17 March 2025 | 037/038 | |||||
| 935/936 | 2025 | 22 April 2025 | 053/054 | First Batch 2 set to be delivered to Singapore. This set was delivered simultaneously with C151 EMU 047 being sent for scrap. | |||
| 937/938 | |||||||
| 939/940 | |||||||
| 941/942 | |||||||
| 943/944 | |||||||
| 945/946 | 16 May 2025 | 109/110 | |||||
| 947/948 | |||||||
| 949/950 | 12 June 2025 | 047/048 | |||||
| 951/952 | |||||||
| 953/954 | |||||||
| 955/956 | |||||||
| 957/958 | |||||||
| 959/960 | |||||||
| 961/962 | |||||||
| 963/964 | |||||||
| 965/966 | |||||||
| 967/968 | |||||||
| 969/970 | |||||||
| 971/972 | |||||||
| 973/974 | |||||||
| 975/976 | |||||||
| 977/978 | |||||||
| 979/980 | |||||||
| 981/982 | |||||||
| 983/984 | |||||||
| 985/986 | |||||||
| 987/988 | |||||||
| 989/990 | |||||||
| 991/992 | |||||||
| 993/994 | |||||||
| 995/996 | |||||||
| 997/998 |
As of 4 June 2025, there have also been 4 unknown R151s secretly delivered to Singapore.
The numbering convention for the last eight trainsets is to be confirmed.
Tender[]
The tender for trains under the contract R151 was closed on 4 September 2017 with 5 bids. The LTA had shortlisted all of them and the tender results were published.[6]
| S/N | Name of tenderer | Amount ($S) | Option 9 (Long Term Service Support)[7] |
|---|---|---|---|
| 1 | Alstom Transport S.A. / Alstom Transport (S) Pte Ltd Consortium | 682,696,431.00 | S$626,697,233.00 |
| 2 | Bombardier (Singapore) Pte Ltd | 827,075,921.00 | S$269,652,420.94+EUR75,135,67 3.16+GBP2,670,699.27 |
| 3 | Construcciones y Auxiliar de Ferrocarriles, S.A. | 867,275,662.00 | S$307,320,742 |
| 4 | Hyundai Rotem Company | 696,960,000.00 | S$517,973,000.00 |
| 5 | Kawasaki Heavy Industries, Ltd. / Kawasaki Heavy Industries(Singapore) Pte Ltd & CRRC Qingdao Sifang Consortium / Singapore CRRC Sifang Railway Vehicles Service Pte. Ltd. Consortium | 941,906,324.00 | S$1,111,653,342 |
Train formation[]
The configuration of a R151 in revenue service is DT-M1-M2-M2-M1-DT
| Cars of CR151 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Car Type | Driver Cab | Motor | Collector Shoe | Car Length | Wheelchair Space | |||||
| mm | ft in | |||||||||
| DT | ✓ | ✗ | ✓ | Template:Convert | ✗ | |||||
| M1 | ✗ | ✓ | ✓ | Template:Convert | ✗ | |||||
| M2 | ✗ | ✓ | ✓ | Template:Convert | ✓ | |||||
Design and features[]
The R151 trains are the second batch of trains that are not manufactured by Kawasaki and the past consortiums, after the C651 trains which were manufactured by Siemens.
It will feature a new livery of green and red stripes against a black and white background running around the cars, similar to the C151C. It is also the first train to feature a massive redesign over the other previous rolling stock, including the sixth rolling stock, C151C. That includes a more streamlined body design with a unique headlight placement and also the first batch of trains to come with bright white LED headlights over the conventional fluorescent yellow lights.
The trains also include several unique features, such as condition monitoring sensors and analytic systems to detect faults beforehand as well as an onboard self-test system that checks whether the train is fit for operation. In addition, four trains will also have an automatic track inspection system, consisting of cameras, lasers and sensors, to detect rail defects.
Furthermore, the trains would also have wider areas near the doors to aid the movement of passengers in and out of the train, and tip-up seats that cater to parents with prams, wheelchair users and people with personal mobility devices or foldable bicycles without reducing seat count.[8][9]
The trains will also utilise an Alstom Mitrac propulsion and control system.[10]
It will be the second train type to feature LTA's new passenger information display, similar to those of the T251 trains, during the manufacturing process in which it will consist of a single, elongated LCD screen displaying the travel information, such as the upcoming stations the train will arrive at, door closing warnings and attractions nearby the station.
On 1 April 2019, Bombardier Transportation and the Land Transport Authority launched a mockup of the interior of the CR151 at the SG Mobility Gallery at LTA's office at Hampshire Road.[11] A poll was conducted to gather public opinion on the features of the train such as the livery, interior colour scheme, the tip-up seats and the Additional Passenger Media Display (APMD).[12]
A noticeable flaw in the design of these new trains is that the sides of the train cars are curved to a much greater extent than that of previous trains, allowing much water to flow into the train car during heavy rains, as evident in several photos online. There are perch seats installed in replacement of some seats near the doors, which, although ergonomical do not increase passenger capacity, needlessly removing seats. Some trains also have squeaky gangway connections between cars.
References[]
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External links[]
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