#2918
EMD SW7
🇺🇸 United States ·built by Electro-Motive Diesel· from 1949· model of 1200 hp American diesel switcher
_Cow_and_Calf_at_Riverside_Yard%2C_Baltimore_(22341847029).jpg)
_(10570540684).jpg)
3 photos from Wikimedia Commons · credits & licences
- 1. Southeastern Railway Museum - Duluth, GA - Flickr - hyku 2: Josh Hallett from Winter Haven, FL, USA· CC BY-SA 2.0
- 2. Baltimore and Ohio 9624 (TR4) Cow and Calf at Riverside Yard, Baltimore (22341847029): Roger Puta· Public domain
- 3. Blue Mountain & Reading 1200 (SW7) (10570540684): Gary Todd from Xinzheng, China· CC0
what is it?
The EMD SW7 was a diesel switcher locomotive built by General Motors Electro-Motive Division between October 1949 and January 1951. It was powered by a 1,200 horsepower (895 kW)12-567A engine. The SW7 replaced the earlier 1,000 horsepower NW2 switcher in EMD's catalog.
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 77 years ago, in 1949.
- 895 kW is about 11 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
- 1949–1951
- number built
- 489
- kind
- Diesel–electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- Electro-Motive Diesel
- top speed
- —
- power
- 895 kW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- Bo′Bo′
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q5323485, Wikipedia: EMD SW7 (CC BY-SA 4.0).Updated 2026-10-25.