#2777
Milwaukee Road class S3
🇺🇸 United States ·built by American Locomotive Company· from 1944· class of 10 American 4-8-4 locomotives
.jpg)
1 photo from Wikimedia Commons · credits & licences
- 1. DSC0295x4x4 boylston (17219680215): Drew Jacksich from San Jose, California Republic· CC BY 2.0
what is it?
The Milwaukee Road S3 Class was a class of 10 4-8-4 "Northern" type steam locomotives built by the American Locomotive Company in 1944 and operated by the Milwaukee Road until the mid 1950s. The locomotives saw service in pulling freight and passenger trains throughout the Milwaukee Road. As of 2026, two S3s are preserved, No.
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 82 years ago, in 1944.
- Top speed is 1.2× a car on the Dutch motorway (130 km/h).
- At full speed it would cover Amsterdam–Utrecht (≈ 40 km) in 15 minutes.
- 3.4 MW is about 39 family cars (~85 kW each) flat out.
- Weighs about as much as 35 African elephants (~6 t each).
- 33.2 m long: about 7 cars parked nose to tail.
- Served for 12 years (1944–1956).
steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.
spec sheet
- built
- 1944
- in service from
- 1944
- retired
- 1956
- status
- in service
- number built
- 10
- kind
- Steam
- traction
- steam
- origin
- 🇺🇸 United States
- builders
- American Locomotive Company
- operators
- Chicago, Milwaukee, St. Paul and Pacific Railroad
- top speed
- 161 km/h
- power
- 3.4 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- 4-8-4
- length
- 33.2 m
- weight
- 209 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q79268857, Wikipedia: Milwaukee Road class S3 (CC BY-SA 4.0).Updated 2026-10-25.