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Indian locomotive class WDM-7

🇮🇳 India ·built by Banaras Locomotive Works· from 1987· diesel-electric locomotive of Indian Railways

Indian locomotive class WDM-7, photo 1 of 2
1/2 VtTN· CC BY-SA 3.0

what is it?

The WDM-7 is a diesel–electric locomotive of Indian Railways. It has been manufactured by Banaras Locomotive Works (BLW), Varanasi. The model name stands for broad gauge (W), diesel (D), mixed traffic (M) engine.

who runs it

base stats

  • speed 105 km/htop speed
  • power 1.5 MWpower output
  • weight 96 tin working order
  • built 15made 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 39 years ago, in 1987.
  • 1.5 MW is about 18 family cars (~85 kW each) flat out.
  • Weighs about as much as 16 African elephants (~6 t each).
  • 17.1 m long: about 4 cars parked nose to tail.

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

spec sheet

built
1987–1989
status
in service
number built
15
kind
Diesel
traction
diesel
origin
🇮🇳 India
builders
Banaras Locomotive Works
operators
Indian Railways
top speed
105 km/h
power
1.5 MW
gauge
1,676 mm Indian broad gauge
wheel arrangement
Co′Co′
length
17.1 m
weight
96 t

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

Sources: Wikidata Q65049888, Wikipedia: Indian locomotive class WDM-7 (CC BY-SA 4.0).Updated 2026-10-25.

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