#3176
Indian locomotive class YDM-1
🇬🇧 United Kingdom ·built by North British Locomotive Company· from 1954· class of 20 Indian metre-gauge diesel-hydraulic locomotives
10 photos from Wikimedia Commons · credits & licences
- 1. YDM-1 3001 NBL 1954: Unknown author Unknown author· CC0
- 2. Indian diesel locomotive, class YDM1R, Nº 6002: by PhliarShamim· CC BY-SA 2.0
- 3. Indian locomotive class YDM-1: Trainiac· Public domain
- 4. Preserved diesel locomotive YDM-1 6008 Regional Railway Museum Chennai ICF 01: RealinRear· CC BY-SA 4.0
- 5. Preserved diesel locomotive YDM-1 6008 Regional Railway Museum Chennai ICF 02: RealinRear· CC BY-SA 4.0
- 6. Preserved diesel locomotive YDM-1 6008 Regional Railway Museum Chennai ICF 03: RealinRear· CC BY-SA 4.0
- 7. Regional railway museum Chennai ICF YDM-1 6015 01: RealinRear· CC BY-SA 4.0
- 8. Regional railway museum Chennai ICF YDM-1 6015 02: RealinRear· CC BY-SA 4.0
- 9. Regional railway museum Chennai ICF YDM-1 6015 03: RealinRear· CC BY-SA 4.0
- 10. Regional railway museum Chennai ICF YDM-1 6015 04: RealinRear· CC BY-SA 4.0
what is it?
The Indian locomotive class YDM-1 is a class of diesel-Hydraulic locomotive that was developed in 1954 by North British Locomotive Company (NBL) for Indian Railways. Its class designation denotes a metre gauge (Y) diesel (D) mixed traffic (M) locomotive of the 1st generation (1). They entered service in 1955.
who runs it
base stats
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 72 years ago, in 1954.
- 522 kW is about 6 family cars (~85 kW each) flat out.
- Weighs about as much as 7 African elephants (~6 t each).
- Served for 41 years (1954–1995).
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1954–1956
- in service from
- 1954
- retired
- 1995
- status
- retired
- number built
- 20
- kind
- Diesel
- traction
- diesel
- origin
- 🇬🇧 United Kingdom
- builders
- North British Locomotive Company
- designer
- North British Locomotive Company (NBL)
- operators
- Indian Railways
- top speed
- 83 km/h
- power
- 522 kW
- gauge
- 1,000 mm metre gauge
- wheel arrangement
- B-B
- weight
- 43.7 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q95690559, Wikipedia: Indian locomotive class YDM-1 (CC BY-SA 4.0).Updated 2026-10-25.