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#3459

ALCO RS-27

🇺🇸 United States ·built by American Locomotive Company· from 1959· American diesel locomotive

ALCO RS-27, photo 1 of 1
1/1 Drew Jacksich from San Jose, CA, The Republic of California· CC BY-SA 2.0

what is it?

The ALCO RS-27 (specification DL-640) was a diesel-electric locomotive built by ALCO between December 1959 and October 1962. Only 27 examples were manufactured. With ALCO's introduction of the Century Series line in 1963, the C-424 (specification DL-640A) replaced the RS-27 in the builder's catalog.

base stats

  • power 1.8 MWpower output
  • weight 117 tin working order
  • built 27made 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 67 years ago, in 1959.
  • 1.8 MW is about 21 family cars (~85 kW each) flat out.
  • Weighs about as much as 19 African elephants (~6 t each).
  • 17.4 m long: about 4 cars parked nose to tail.

diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).

spec sheet

built
1959–1962
status
retired
number built
27
kind
Diesel-electric
traction
diesel
origin
🇺🇸 United States
builders
American Locomotive Company
top speed
—
power
1.8 MW
gauge
1,435 mm standard gauge
wheel arrangement
B-B
length
17.4 m
weight
117 t

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

Sources: Wikidata Q4652286, Wikipedia: ALCO RS-27 (CC BY-SA 4.0).Updated 2026-10-25.

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