#2716
Louisville and Nashville class M-1
🇺🇸 United States ·built by Baldwin Locomotive Works· from 1942· class of 42 American 2-8-4 locomotives
1 photo from Wikimedia Commons · credits & licences
- 1. L&N M-1 Berkshire Tender No. 1966, 2012-07-17, 10572149515: Gary Lee Todd, Ph.D.· CC0
what is it?
The Louisville and Nashville M-1 was a class of forty-two 2-8-4 steam locomotives built during and after World War II as dual-service locomotives. They were nicknamed "Big Emmas" by crews and were built in three batches between 1942 and 1949.
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 84 years ago, in 1942.
- 3.4 MW is about 40 family cars (~85 kW each) flat out.
- Weighs about as much as 34 African elephants (~6 t each).
- 32.9 m long: about 7 cars parked nose to tail.
- Served for 14 years (1942–1956).
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1942–1949
- in service from
- 1942
- retired
- 1956
- status
- retired
- number built
- 42
- kind
- Steam
- traction
- steam
- origin
- 🇺🇸 United States
- builders
- Baldwin Locomotive Works, Lima Locomotive Works
- operators
- Louisville and Nashville Railroad
- top speed
- —
- power
- 3.4 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 2-8-4
- length
- 32.9 m
- weight
- 203 t
- nicknames
- Big Emmas
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q106610231, Wikipedia: Louisville and Nashville class M-1 (CC BY-SA 4.0).Updated 2026-10-25.