#1021

Southern Pacific 1673

🇺🇸 United States ·built by American Locomotive Company· from 1900· preserved American 2-6-0 locomotive (SP M-4 class)

1 photo from Wikimedia Commons · credits & licences

1. Locomotive 1673 (Tucson, Arizona) 2: Ammodramus· CC0

what is it?

Southern Pacific 1673 is an M-4 class 2-6-0 "Mogul" type steam locomotive, built in 1900 by the Schenectady Locomotive Works; the engine was delivered in November of that year, and by early 1901 it was based in Tucson, Arizona and operated primarily in southern Arizona hauling freight trains.

who runs it

Southern Pacific Transportation Company

base stats

weight 71.6 tin working order
built 153made 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 126 years ago, in 1900.
Weighs about as much as 12 African elephants (~6 t each).
Served for 55 years (1900–1955).

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

spec sheet

built: 1900
in service from: 1900
retired: 1955
status: retired
number built: 153
kind: Steam
traction: steam
origin: 🇺🇸 United States
builders: American Locomotive Company, Schenectady Locomotive Works
operators: Southern Pacific Transportation Company
top speed: —
power: —
gauge: 1,435 mm standard gauge
wheel arrangement: 2-6-0
weight: 71.6 t

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

Sources: Wikidata Q7570258, Wikipedia: Southern Pacific 1673 (CC BY-SA 4.0).Updated 2026-10-25.