#3962
GE U23B
🇺🇸 United States ·built by GE Transportation· from 1968· diesel-electric locomotive built by GE Transportation
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5 photos from Wikimedia Commons · credits & licences
- 1. Conrail CR 2728 (U23B) (10568809633): Gary Todd from Xinzheng, China· CC0
- 2. Conrail CR 2794 (U23B) (10568602384): Gary Todd from Xinzheng, China· CC0
- 3. Louisville & Nashville SBD 2709 (U23B) (10568604793): Gary Todd from Xinzheng, China· CC0
- 4. Santa Fe ATSF 6318 (U23B) & 2742 (GP30) (10569809546): Gary Todd from Xinzheng, China· CC0
- 5. W.P. 2261 (U23B) at Williams Loop near Spring Garden, CA in October 1972 (27390087011): railfan 44· Public domain
what is it?
The GE U23B is a 2,250 horsepower diesel-electric locomotive built by GE Transportation from 1968 to 1977. It was one of the most successful models of the Universal Series, with 481 units built, including 16 exported to Peru. The U23B was replaced by the B23-7.
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 58 years ago, in 1968.
- 1.7 MW is about 20 family cars (~85 kW each) flat out.
- Weighs about as much as 18 African elephants (~6 t each).
- 18.3 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
- 1968–1977
- number built
- 481
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- GE Transportation, General Electric
- top speed
- 113 km/h
- power
- 1.7 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- B-B
- length
- 18.3 m
- weight
- 110 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q5513300, Wikipedia: GE U23B (CC BY-SA 4.0).Updated 2026-10-25.