#3045
WLs40/50
🇵🇱 Poland ·built by Zakłady Naprawcze Taboru Kolejowego· from 1951· narrow gauge locomotive
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10 photos from Wikimedia Commons · credits & licences
- 1. Ustroń4: Krystian Cieślik· CC BY-SA 3.0 pl
- 2. Lokomotywa kolejki wąskotorowej przy FWP w Spale: Mateusz Opasiński· CC BY-SA 3.0
- 3. Rudy, WLs40 (1): Travelarz· CC BY-SA 3.0 pl
- 4. Rudy, WLs40 (2): Travelarz· CC BY-SA 3.0 pl
- 5. Rudy, WLs40 (3): Travelarz· CC BY-SA 3.0 pl
- 6. Rudy, WLs40 (4): Travelarz· CC BY-SA 3.0 pl
- 7. Witnica Park Drogowskazow i Slupow Milowych Cywilizacji 2019 P04 ZNTK Poznań WLs40: Fallaner· CC BY-SA 4.0
- 8. Witnica Park Drogowskazow i Slupow Milowych Cywilizacji 2019 P05 ZNTK Poznań WLs40: Fallaner· CC BY-SA 4.0
- 9. WLS40, WKW cropped: Pudelek· CC BY-SA 4.0
- 10. WLS40, WKW: Pudelek· CC BY-SA 4.0
what is it?
The WLs40 and WLs50 are narrow gauge diesel locomotives built in Poland, used mostly on industrial railways. A small number was used by Polish State Railways (PKP) as Ld1 class on narrow gauge railways in Poland.
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 75 years ago, in 1951.
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1951–1975
- number built
- 2,000
- kind
- Diesel mechanical
- traction
- diesel
- origin
- 🇵🇱 Poland
- builders
- Zakłady Naprawcze Taboru Kolejowego, Fablok
- operators
- Polish State Railways
- top speed
- 17 km/h
- power
- 37 kW
- gauge
- 600 mm narrow gauge
- wheel arrangement
- 0-4-0
- length
- 4.4 m
- weight
- 7 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q9131787, Wikipedia: WLs40/50 (CC BY-SA 4.0).Updated 2026-10-25.