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#2573

Southern Pacific GS-3 class

🇺🇸 United States ·built by Lima Locomotive Works· from 1937· class of 14 American 4-8-4 locomotives

Southern Pacific GS-3 class, photo 1 of 2
1/2 DOPS for Southern Pacific (see "SP 1003" notation at front lower right).· Public domain

what is it?

The GS-3 was a class of streamlined 4-8-4 "Northern" type steam locomotive operated by the Southern Pacific Railroad (SP) from 1938 to 1957. A total of fourteen were built by the Lima Locomotive Works, numbered 4416 through 4429.

who runs it

base stats

  • speed 171 km/htop speed
  • power 3.7 MWpower output
  • weight 209 tin working order
  • built 14made 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 89 years ago, in 1937.
  • Top speed is 1.3× a car on the Dutch motorway (130 km/h).
  • At full speed it would cover Amsterdam–Utrecht (≈ 40 km) in 14 minutes.
  • 3.7 MW is about 44 family cars (~85 kW each) flat out.
  • Weighs about as much as 35 African elephants (~6 t each).
  • Served for 20 years (1937–1957).

steam locomotive: Burns coal, wood or oil to boil water; the steam drives pistons that turn the wheels.

spec sheet

built
1937
in service from
1937
retired
1957
status
retired
number built
14
kind
Steam
traction
steam
origin
🇺🇸 United States
builders
Lima Locomotive Works
operators
Southern Pacific Transportation Company
top speed
171 km/h
power
3.7 MW
gauge
1,435 mm standard gauge
wheel arrangement
4-8-4
weight
209 t

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

Sources: Wikidata Q7570305, Wikipedia: Southern Pacific GS-3 class (CC BY-SA 4.0).Updated 2026-10-25.

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