1 photo from Wikimedia Commons · credits & licences
- 1. SU46-054 DSC 6649 Poznań Franowo: Akjam-Sen· CC BY-SA 4.0
what is it?
SU46 (new symbol 5 630) is the name for a diesel universal purpose locomotive working for Polish PKP. Cegielski has produced 52 machines in years 1974-1977 and 2 modified in 1985.
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 52 years ago, in 1974.
- 1.7 MW is about 19 family cars (~85 kW each) flat out.
- Weighs about as much as 18 African elephants (~6 t each).
- 19 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
- 1974–1985
- number built
- 54
- kind
- Diesel
- traction
- diesel
- origin
- 🇵🇱 Poland
- builders
- H. Cegielski – Poznań
- operators
- Polish State Railways
- top speed
- 120 km/h
- power
- 1.7 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- Co′Co′
- length
- 19 m
- weight
- 105 t
- nicknames
- Suka (female dog)
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q685152, Wikipedia: PKP class SU46 (CC BY-SA 4.0).Updated 2026-10-25.