2 photos from Wikimedia Commons · credits & licences
- 1. TGM3-1400 Torņakalna stacijā: ScAvenger (Jānis Vilniņš)· CC BY-SA 3.0
- 2. SM-15: Hiuppo· CC BY-SA 3.0
what is it?
The SM15 (factory designation 12D) is a Polish diesel shunter used by PKP and industry — where it carried the designation Ls750H. It is based on the Soviet ТГМ3 (TGM3) locomotive.
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 63 years ago, in 1963.
- 550 kW is about 6 family cars (~85 kW each) flat out.
- Weighs about as much as 12 African elephants (~6 t each).
- 12.6 m long: about 3 cars parked nose to tail.
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1963–1966
- in service from
- 1963
- number built
- 56
- kind
- Diesel
- traction
- diesel
- origin
- 🇵🇱 Poland
- builders
- Fablok, Lyudinovsky Locomotive Plant
- operators
- Polish State Railways
- top speed
- 60 km/h
- power
- 550 kW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- B′B′
- length
- 12.6 m
- weight
- 70 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q1244447, Wikipedia: PKP class SM15 (CC BY-SA 4.0).Updated 2026-10-25.