1 photo from Wikimedia Commons · credits & licences
- 1. Uf 849 Gällivare 28.05.00: wassen· CC BY-SA 3.0
what is it?
U is a class of 152 electric shunter locomotives operated by the Swedish State Railways (Swedish: Statens Järnvägar, SJ) and Trafikaktiebolaget Grängesberg–Oxelösunds Järnvägar (TGOJ) of Sweden, and the Norwegian State Railways (NSB), LKAB and Norsk Jernverk of Norway. They were built by ASEA, Nyqvist och Holm, Motala, ASJ Falun and Thune between 1926 and 1956. NSB gave the class the designation El 10.
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 97 years ago, in 1929.
- 920 kW is about 11 family cars (~85 kW each) flat out.
- Weighs about as much as 8 African elephants (~6 t each).
- 9.6 m long: about 2 cars parked nose to tail.
electric locomotive: Draws power from overhead wires or a third rail and pulls separate carriages.
spec sheet
- built
- 1929–1956
- number built
- 152
- kind
- Electric
- traction
- electric
- origin
- 🇸🇪 Sweden
- builders
- ASEA, Nydqvist och Holm AB, Thunes mekaniske verksted
- operators
- Statens Järnvägar
- top speed
- 60 km/h
- power
- 920 kW
- gauge
- 1,435 mm standard gauge
- electric system
- Catenary
- wheel arrangement
- Co'
- length
- 9.6 m
- weight
- 47.4 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q604691, Wikipedia: SJ U (CC BY-SA 4.0).Updated 2026-10-25.