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2 photos from Wikimedia Commons · credits & licences
- 1. Melching 483rd bg photo (37795600915) (cropped): SDASM Archives· CC0
- 2. CNJ Baldwins RS12 1209 at and VO660 1043 at the Elizabethport NJ shops on November 8, 1969 (25433950933): railfan 44· Public domain
what is it?
The Baldwin VO-660 was a diesel-electric switcher locomotive built by Baldwin Locomotive Works between April, 1939 and May, 1946. The 197,520–203,980 lb (89,600–92,500 kg) units were powered by a six-cylinder diesel engine rated at 660 horsepower (492 kW), and rode on two-axle AAR Type-A switcher trucks in a B-B wheel arrangement. 142 examples of this model were built for American railroads, along with the United States Navy.
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 87 years ago, in 1939.
- 492 kW is about 6 family cars (~85 kW each) flat out.
- 14.6 m long: about 3 cars parked nose to tail.
diesel locomotive: A diesel engine on board drives the wheels, usually through a generator (diesel-electric).
spec sheet
- built
- 1939–1946
- number built
- 142
- kind
- Diesel-electric
- traction
- diesel
- origin
- 🇺🇸 United States
- builders
- Baldwin Locomotive Works
- top speed
- —
- power
- 492 kW
- gauge
- 1,435 mm standard gauge
- wheel arrangement
- B-B
- length
- 14.6 m
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q4850607, Wikipedia: Baldwin VO-660 (CC BY-SA 4.0).Updated 2026-10-25.