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HKL Class M100

🇫🇮 Finland ·built by Valmet· from 1977· a vehicle in use in the Helsinki Metro

🚇 metro electric retired
10 photos from Wikimedia Commons · credits & licences
  1. 1. HKL Class M100 metro train (University of Helsinki metro station, Helsinki, Finland) Feb 6, 2026: Lasse Keskinen· CC BY 4.0
  2. 2. M100 (20210101) 01: Puppe100· CC BY-SA 4.0
  3. 3. M100 (20210101) 02: Puppe100· CC BY-SA 4.0
  4. 4. M100 approaching Vuosaari: OtsoTA· CC BY-SA 4.0
  5. 5. M100 at Kontula metro station in 1987: Felix O· CC BY-SA 2.0
  6. 6. M100 in Vuosaari: OtsoTA· CC BY-SA 4.0
  7. 7. M100 lähestyy Kontulaa lumisateessa: Sadenäyttely· CC BY-SA 4.0
  8. 8. M100 of the Helsinki Metro to Mellunmäki in Vesala, Helsinki, Finland, 2022 November - 2: Ximonic (Simo Räsänen)· CC BY-SA 4.0
  9. 9. M100 of the Helsinki Metro to Mellunmäki in Vesala, Helsinki, Finland, 2022 November: Ximonic (Simo Räsänen)· CC BY-SA 4.0
  10. 10. M100-juna Vuosaaren laiturilla: Juho Nyman (Nymppi8)· CC BY-SA 4.0
Read about it on Wikipedia ↗
HKL Class M100, photo 1 of 10
1/10 Lasse Keskinen· CC BY 4.0

what is it?

The HKL Class M100 is the first and oldest class of metro trains in use on the Helsinki Metro. One train consists of two individually numbered cars. A total of 42 units (84 cars in total) were manufactured between 1977 and 1984.

who runs it

Helsinki City Transport

base stats

  • speed 100 km/htop speed
  • power 1 MWpower output
  • weight 63.2 tin working order
  • seats 130passengers
  • built 42made in total

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 49 years ago, in 1977.
  • 1 MW is about 12 family cars (~85 kW each) flat out.
  • Weighs about as much as 11 African elephants (~6 t each).
  • 44.2 m long: about 10 cars parked nose to tail.
  • Seats 130: 3 full city buses (~50 seats each).
  • Served for 39 years (1982–2021).

metro: Urban rapid transit: frequent, high-capacity trains, often underground.

spec sheet

built
1977
in service from
1982
retired
2021
status
retired
number built
42
kind
metro
traction
electric
origin
🇫🇮 Finland
builders
Valmet, ABB Oy
operators
Helsinki City Transport
top speed
100 km/h
power
1 MW
gauge
1,522 mm broad gauge
wheel arrangement
Bo′Bo′+Bo′Bo′
formation
2 cars
length
44.2 m
weight
63.2 t
capacity
130 passengers

From the Wikipedia infobox and Wikidata. Blank means the sources don't say.

Sources: Wikidata Q10854569, Wikipedia: HKL Class M100 (CC BY-SA 4.0).Updated 2026-10-25.

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