Metros Tenders

Delhi Metro Phase 4’s RS17 Train Design Unveiled as Alstom Begins Production


The first look of Delhi Metro’s new RS-17 train-sets is out! Alstom Transport today formally started manufacturing 312 new coaches (52 trains) for Delhi Metro Phase 4 project at their Sri City, Andhra Pradesh facility in the presence of Delhi Metro Rail Corporation (DMRC) officials.

These 52 Alstom Metropolis trains of 6-coaches each will be deployed across 3 metro lines via a Rs. 2631.36 crore (312 million Euro) contract awarded in October 2022 with a 4.5 year delivery completion deadline.

The contract financed by the Japan International Cooperation Agency (JICA) through a Rs. 8,390 crore loan consists of two parts:

  • 90 coaches (15 x 6 coaches) for Line-7 / Pink Line’s 12.558 km extension (Mukundpur – Maujpur), and 144 coaches (24 x 6 coaches) for Line-8 / Magenta Line’s 28.92 km extension (Janakpuri West – RK Ashram)
  • 78 coaches (13 x 6 coaches) for new 23.622 km Line-10 / Golden Line (Aerocity – Tughlakabad) – contract includes maintenance for a period of 15 years.
1st sideframe setup fixture – Photo by Alstom Transport

Delhi’s new lightweight train-sets will be operated in formations of DMC + TC + TC + TC + TC + DMC where DMC = Driving Motor Car and TC = Trailer Car. They will have a maximum design speed of 95 kmph and operational speed of 85 kmph.

With Alstom’s CBTC signaling and train-control solution from Package DS-06, the trains will be capable of GoA4 grade of automation for Unattended Train Operations (UTO). The new trains will be stabled at the following maintenance depots:

  • Line-7 (Pink Line): Mukundpur (existing) and Vinod Nagar (existing)
  • Line-8 (Magenta Line): Kalindi Kunj (existing) and Mukundpur (future)
  • Line-10 (Silver Line): Sarita Vihar (future)

I’ve asked Alstom India for a proper rendering of the train. In the meanwhile, I’ve blown up the rendering displayed in the bottom right corner:

Delhi Metro’s RS17 train design for Golden Line

The trains’ design is essentially the same as Mumbai Metro Aqua Line’s Alstom trains which are currently also being manufactured at Sri City. At 3.2m, they’re a little wider than Chennai Metro Line-4’s new ARE03A trains, which have a similar design, for which production began earlier this month.

Alstom or DMRC haven’t announced a delivery time-frame for the first train, but looking at past projects – I expect the first train to roll out of the plant towards the end of Q3 (July – September) 2024.

After this order is fulfilled, which I imagine would be around 2027, Delhi Metro network’s fleet will reach 2606 coaches. A full recap of Delhi’s 17 rolling stock contracts can viewed here.

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