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#3364

Indian locomotive class WDM-1

🇮🇳 India ·built by American Locomotive Company· from 1957· class of 100 Indian Co′Co′ diesel-electric locomotives built by ALCo

Indian locomotive class WDM-1, photo 1 of 1
1/1 National Rail Museum, New Delhi· Public domain

what is it?

The WDM-1 was the first class of wide gauge (W), diesel-powered (D), mixed-load (M) locomotive, meant for hauling both freight and passenger trains. These are also the first mainline diesel engines imported after Independence. They were even the fastest diesel locomotives till the advent of WDM-2 and WDM-4.

who runs it

base stats

  • speed 104 km/htop speed
  • power 1.5 MWpower output
  • weight 111 tin working order
  • built 100made 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 69 years ago, in 1957.
  • 1.5 MW is about 17 family cars (~85 kW each) flat out.
  • Weighs about as much as 19 African elephants (~6 t each).

diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).

spec sheet

built
1957–1959
retired
2000
status
preserved
number built
100
kind
Diesel
traction
diesel
origin
🇮🇳 India
builders
American Locomotive Company
operators
Indian Railways
top speed
104 km/h
power
1.5 MW
gauge
1,676 mm Indian broad gauge
wheel arrangement
Co-Co
weight
111 t

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

Sources: Wikidata Q17056223, Wikipedia: Indian locomotive class WDM-1 (CC BY-SA 4.0).Updated 2026-10-25.

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