1 photo from Wikimedia Commons · credits & licences
- 1. 20070120-Rouf-Ma1002-0007A: © 2007-2009 K. Krallis ( SV1XV )· CC BY-SA 3.0
what is it?
SEK (Sidirodromoi Ellinikou Kratous, Hellenic State Railways) class Μα (or class Ma; Mu-alpha) was a class of 2-10-2 steam locomotives built by Ansaldo and Breda in 1953. They were numbered Μα 1001-1020. The Μα locomotives were the last steam locomotives acquired by SEK before conversion to diesel traction.
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 73 years ago, in 1953.
- 2.2 MW is about 26 family cars (~85 kW each) flat out.
- Weighs about as much as 23 African elephants (~6 t each).
- 24.9 m long: about 6 cars parked nose to tail.
- Served for 16 years (1954–1970).
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1953–1954
- in service from
- 1954
- retired
- 1970
- status
- retired
- number built
- 20
- kind
- Steam
- traction
- steam
- origin
- 🇬🇷 Greece
- builders
- Breda, Ansaldo
- designer
- Breda
- operators
- Hellenic State Railways
- top speed
- 110 km/h
- power
- 2.2 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 2-10-2
- length
- 24.9 m
- weight
- 136 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q7389692, Wikipedia: SEK class Mu-alpha (CC BY-SA 4.0).Updated 2026-10-25.