#3755
Baltimore and Ohio SD20-2
🇺🇸 United States ·built by Baltimore and Ohio Railroad· from 1964· diesel-electric locomotive developed by B&O in 1979-1980
1 photo from Wikimedia Commons · credits & licences
- 1. PHL SD20-2 45: Wikimedia Commons· CC BY-SA 3.0
what is it?
The SD20-2 was a type of diesel-electric locomotive created in 1979/1980 by the Baltimore and Ohio Railroad by rebuilding EMD SD35 locomotives. Five of the B&O's SD35 fleet were rebuilt at their Cumberland Yard by fitting a non-turbocharged EMD 645 engine and upgraded electrical systems. They were placed in service at the B&O Queensgate Yard in Cincinnati, Ohio attached to slugs, engineless units with traction motors that draw their power from the "mother" unit.
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 62 years ago, in 1964.
- 1.5 MW is about 18 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
- 1964–1979
- number built
- 5
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- Baltimore and Ohio Railroad
- top speed
- —
- power
- 1.5 MW
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q7389406, Wikipedia: Baltimore and Ohio SD20-2 (CC BY-SA 4.0).Updated 2026-10-25.