The Kawasaki Heavy Industries & Nippon Sharyo C751B are third-generation rolling stock procured for the North South Line (NSL) and East West Line (EWL), with 21 six-car trains entering service from April 2000. Decommissioning of these trains began in 2021.
Trains are scrapped locally at Toyotron Pte Ltd.
NRFF & Retirement
In April 2016, the New Rail Financing Framework (NRFF) was implemented on the NSEWL, and the Land Transport Authority (LTA) took over decision-making for the procuring, replacing and upgrading of assets. With the oldest trains on the NSEWL trains reaching their design lifespan, LTA announced in September 2016 that it would replace all 66 first-generation C151 trains with new ones. Thus, the C151 trains were replaced by 66 new R151 trains manufactured by Alstom.
Later in September 2020, the LTA announced that it would replace all 2nd generation (Siemens C651; 19 units) and 3rd generation (Kawasaki-Nippon Sharyo C751B; 21 trains) with additional R151 trains of similar specification, for a total of 106 new R151 trains. The move was in line with LTA’s long-term fleet renewal programme for the NSEWL and was expected to reap significant economies of scale through fleet standardization, reducing the types of rolling stock on the NSEWL by 2, and allowing rail engineers to focus their expertise on one train type.
As a result, the retirement of C751B trains commenced just over 20 years into their short service life. Mid-life refurbishment works, which were carried out for the similarly-aged Alstom Metropolis C751A trains, never took place and were eventually precluded following the C751B’s announced retirement.
- SMRT C151 End-of-Life upgrade / PMSM retractioning project | Land Transport Guru
- SMRT C651 Mid-life Upgrading Project | Land Transport Guru
Scrapping of Trains
Trains are scrapped locally at Toyotron Pte Ltd, which was awarded the disposal contract for C151 trains (Contract R151D). The scrapping of C751B trains would have likely been carried out under similar contract terms.
The transporting of decommissioned trains takes place at night, from Tuas Depot to Toyotron’s premises at Gul Drive. Auxiliary police escorts are required for the transport of oversized loads by road. As of July 2022, around four trains are known to have been scrapped.
Other scrapped trains:
- Decommissioning of C151 trains | Land Transport Guru
- Decommissioning of C651 trains | Land Transport Guru