1 photo from Wikimedia Commons · credits & licences
- 1. TGOJ Ma 405: HugoIR· CC BY-SA 3.0
what is it?
The SJ Class Ma is an electric locomotive used by Swedish State Railways (Swedish: Statens Järnvägar, SJ) and later other railways. 41 units were built by ASEA between 1953 and 1960. It is derived from the older Mg-series, but unlike its predecessor it is used for freight and passenger trains.
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.
- 4 MW is about 47 family cars (~85 kW each) flat out.
- Weighs about as much as 17 African elephants (~6 t each).
- 16.8 m long: about 4 cars parked nose to tail.
electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.
spec sheet
- built
- 1953–1960
- number built
- 41
- kind
- Electric
- traction
- electric
- origin
- 🇸🇪 Sweden
- builders
- ASEA
- operators
- Statens Järnvägar
- top speed
- 100 km/h
- power
- 4 MW
- gauge
- 1,435 mm standard gauge
- electric system
- Catenary
- wheel arrangement
- Co′Co′
- length
- 16.8 m
- weight
- 104 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q603852, Wikipedia: SJ Ma (CC BY-SA 4.0).Updated 2026-10-25.