.jpg)
.jpg)
2 photos from Wikimedia Commons · credits & licences
- 1. SM04-002 Chabówka 2 (Nemo5576): Tomasz Górny ( Nemo5576 )· CC BY-SA 4.0
- 2. SM04-742 (38990941841): Hugh Llewelyn from Keynsham, UK· CC BY-SA 2.0
what is it?
The SM04 (factory designation 409Da) is a low power, Polish built shunter, formerly operated by PKP (Polish National Railways) and is an improved version of the SM03.
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 54 years ago, in 1972.
- Weighs about as much as 4 African elephants (~6 t each).
- Served for 6 years (1972–1978).
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1972–1978
- in service from
- 1972
- retired
- 1978
- status
- retired
- number built
- 2
- kind
- Diesel
- traction
- diesel
- origin
- 🇵🇱 Poland
- builders
- Zastal
- operators
- Polish State Railways
- top speed
- 46 km/h
- power
- 133 kW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- B
- length
- 6.9 m
- weight
- 24 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q3496339, Wikipedia: PKP class SM04 (CC BY-SA 4.0).Updated 2026-10-25.