#2340
HNJ Mb
🇸🇪 Sweden ·built by Nydqvist och Holm AB· from 1931· class of 6 Swedish 4-8-0 locomotives
1 photo from Wikimedia Commons · credits & licences
- 1. JvmKDAJ06381: Unknown author Unknown author· CC0
what is it?
The Mb, later G12 class of Halmstad–Nässjö Järnväg (HNJ), known after nationalization in 1945 as the E9 class of the Swedish State Railways (SJ), was a type of steam locomotive built primarily for freight traffic. They were the basis for the nearly identical SJ E10 class.
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 95 years ago, in 1931.
- Weighs about as much as 12 African elephants (~6 t each).
- 18 m long: about 4 cars parked nose to tail.
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1931–1936
- status
- retired
- number built
- 6
- kind
- Steam
- traction
- steam
- origin
- 🇸🇪 Sweden
- builders
- Nydqvist och Holm AB
- operators
- Statens Järnvägar, Halmstad–Nässjö Järnväg
- top speed
- 70 km/h
- power
- —
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 4-8-0
- length
- 18 m
- weight
- 73.5 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q18706794, Wikipedia: HNJ Mb (CC BY-SA 4.0).Updated 2026-10-25.