what is it?
The SL Cx series is the collective designation for the C1–C15 types of metro trains used on the Stockholm Metro from 1950 until 2024. Some 1291 Cx cars were built in total over 40 years. They were manufactured by ASEA, Hägglund & Söner, and Svenska Järnvägsverkstäderna (ASJ), and underwent significant technical development during their production span.
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 76 years ago, in 1950.
- 440 kW is about 5 family cars (~85 kW each) flat out.
- Weighs about as much as 5 African elephants (~6 t each).
- 140 m long: about 31 cars parked nose to tail.
- Served for 74 years (1950–2024).
metro: Urban rapid transit: frequent, high-capacity trains, often underground.
spec sheet
- built
- 1950
- in service from
- 1950
- retired
- 2024
- status
- retired
- number built
- 1,291
- kind
- metro
- traction
- electric
- origin
- 🇸🇪 Sweden
- builders
- ASEA, Hägglund & Söner
- operators
- Storstockholms Lokaltrafik
- top speed
- 90 km/h
- power
- 440 kW
- gauge
- 1,435 mm standard gauge
- electric system
- 650–750 V DC third rail
- formation
- Single cars, typically 4, 6, or 8-car trains
- length
- 140 m
- weight
- 30 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q134445810, Wikipedia: SL Cx (CC BY-SA 4.0).Updated 2026-10-25.