Kawasaki Heavy Industries & CSR Qingdao Sifang C151B

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Kawasaki Heavy Industries & CSR Qingdao Sifang C151B
In service 2017 - Present
Manufacturer Kawasaki Heavy Industries
CSR Qingdao Sifang
Origin Qingdao, China
Constructed 2014 - 2018
Number Built 270 cars (45 Trains)
Body Construction Aluminium-alloy double-skinned construction
Length 23.83 m (DT)
22.8 m (M1/M2)
Width 3.2 m
Height 3.7 m
Doors 1.45 m, 8 per car
Maximum Speed Design: 90 km/h
Service: 80 km/h
Traction Control IGBT-VVVF (Fuji Electric)
Line Voltage 750V DC Third Rail
Track Gauge 1435 mm Standard Gauge

Kawasaki Heavy Industries & CSR Qingdao Sifang C151B are the fifth generation of trains to be used on the North South Line and the East West Line.


C151B Fleet Info


In the turnkey Contract C151B, 3 tenderers were shortlisted – Kawasaki Heavy Industries, Siemens/CSR Zhuzhou, Zhuzhou Electric Locomotive Co., Ltd, CSR Zhuzhou and Construcciones y Auxiliar de Ferrocarriles.[1] On 23 August 2012, the Land Transport Authority (LTA) awarded the tender to Kawasaki Heavy Industries at a price of S$281,508,884.00.

Kawasaki will be responsible for the overall project management, design, manufacturing of bogies and procurement of major components. CSR Qingdao Sifang will be in charge of manufacturing, final fitting and assembly of complete MRT trains and factory testing. Kawasaki (Singapore) will be responsible for the delivery of complete MRT trains to the depot, on-site testing and commissioning. The new MRT trains are scheduled to be delivered to Singapore from 2015 onwards.[2]


Main Propulsion Controller

The C151B trains is the fourth commuter type Electric Multiple Unit (EMU) made in Japan to feature electric systems fully manufactured by Fuji Electric. Propulsion is controlled by VVVF Inverter with 2-level IGBT semiconductor controller, rated at 415 kVA. Each inverter unit controls two motors on one bogie (1C2M), and one motor car features two of such units. Motors are three-phrase AC induction type, model MLR109, with a maximum output of 140 kW.

SMRT Active Route Map Information System

C151Bs went into service with STARIS installed.

Trainset numbers

The car numbers of the trains range from x601 to x690, where x depends on the carriage type.

  • The first digit depends upon whether the car is the first, second or third car from the end of the train it is nearer to, where the first car has a 3, the second has a 1 and the third has a 2.
  • The other 3 digits is the train identification number. A full length train of 6 cars have 2 different identification number, one for the first 3 cars, and the same number plus 1, for the other three. The smaller number is always at the front.
    • For example, train 689/690 would consist of 6 cars with serial number 3689, 1689, 2689, 2690, 1690 and 3690 respectively.
  • Depending on the direction of travel, the sequence may be reversed.


  1. "Singapore LTA orders metro rolling stock". Railway Gazette. Retrieved 9 Nov 2013.
  2. "LTA Singapore Orders 132 MRT Cars". Kawasaki.
Mass Rapid Transit [ VTE ]
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