#3267
ALCO RSD-12
🇺🇸 United States ·built by American Locomotive Company· from 1956· C-C diesel-electric locomotive
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2 photos from Wikimedia Commons · credits & licences
- 1. ALCo RSD-12 (9194229140): Clay Gilliland· CC BY-SA 2.0
- 2. ALCO RSD-12 Lake Superior Ishpeming 1804 : Espeeac12· CC BY-SA 4.0
what is it?
The ALCO RSD-12 was a C-C diesel-electric locomotive rated at 1,800 horsepower (1.34 MW). 171 locomotives were produced. They were used in much the same manner as its four-axle counterpart, the ALCO RS-11, although the six-motor design allowed for better tractive effort at lower speeds.
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 70 years ago, in 1956.
- 1.3 MW is about 16 family cars (~85 kW each) flat out.
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1956–1963
- number built
- 171
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- American Locomotive Company, Montreal Locomotive Works
- top speed
- 121 km/h
- power
- 1.3 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- C-C
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q4652295, Wikipedia: ALCO RSD-12 (CC BY-SA 4.0).Updated 2026-10-25.