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#3769

Indian locomotive class YAM-1

🇯🇵 Japan ·built by Mitsubishi· from 1964· class of 20 Indian metre-gauge AC electric mixed-traffic locomotives

Indian locomotive class YAM-1, photo 1 of 5
1/5 Metasur at English Wikipedia· CC BY 2.5

what is it?

The Indian locomotive class YAM-1 is a class of metre gauge (Y), Alternating Current (A), mixed traffic (M) electric locomotives in India. Twenty were built in 1964–66 by a Japanese consortium led by Mitsubishi.

who runs it

base stats

  • speed 80 km/htop speed
  • power 1.3 MWpower output
  • weight 52 tin working order
  • built 20made in total

Bars compare against all trains: 600 km/h (maglev), 1,700 seats; power, weight and number built on a log scale up to 20 MW, 1,000 t and 20,000 built.

fun facts

  • First built 62 years ago, in 1964.
  • 1.3 MW is about 15 family cars (~85 kW each) flat out.
  • Weighs about as much as 9 African elephants (~6 t each).
  • Served for 40 years (1964–2004).

electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.

spec sheet

built
1964–1966
in service from
1964
retired
2004
status
retired
number built
20
kind
Electric
traction
electric
origin
🇯🇵 Japan
builders
Mitsubishi, Hitachi, Toshiba
operators
Indian Railways, Southern Railway
top speed
80 km/h
power
1.3 MW
gauge
1,000 mm metre gauge
electric system
25 kV AC overhead
wheel arrangement
B′B′
weight
52 t
nicknames
Pallava King, Vaigai Special

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q18395737, Wikipedia: Indian locomotive class YAM-1 (CC BY-SA 4.0).Updated 2026-10-25.

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