2 photos from Wikimedia Commons · credits & licences
- 1. BNSF 4258 GE B23-7: Matthew J. Brown ( User:Morven )· CC BY-SA 3.0
- 2. ESPN RS-1 57 and B23-7 3153 Quakertown: Adam Moss from Highland Park, NJ, United States· CC BY-SA 2.0
what is it?
The GE B23-7 is a diesel locomotive model that was first offered by GE in late 1977. Featuring a smaller 12 cylinder version of the FDL engine, it is the successor to GE's U23B produced from early 1968 to mid 1977, but at 62 ft 2 in (18.95 m) long is exactly 2 ft 0 in (0.61 m). longer.
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 49 years ago, in 1977.
- 1.7 MW is about 20 family cars (~85 kW each) flat out.
- 18.9 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
- 1977–1984
- number built
- 412
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- GE Transportation
- top speed
- —
- power
- 1.7 MW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- Bo'Bo'
- length
- 18.9 m
- nicknames
- B-boat
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q1007006, Wikipedia: GE B23-7 (CC BY-SA 4.0).Updated 2026-10-25.