_at_Little_Creek%2C_VA_on_September_20%2C_1969_(22525921815).jpg)
4 photos from Wikimedia Commons · credits & licences
- 1. Baldwin Diesel: Hunter Williams· CC BY 2.0
- 2. Chesapeake Western BLW DS-44-660: O484~enwiki· CC BY-SA 4.0
- 3. PRR 7862 (Baldwin DS44-660) at Little Creek, VA on September 20, 1969 (22525921815): railfan 44· Public domain
- 4. PRR 7559 Baldwin: WES· Public domain
what is it?
The Baldwin DS-4-4-660 was a four-axle 660 horsepower (490 kW) diesel-electric switcher locomotive built by the Baldwin Locomotive Works at it Eddystone, Pennsylvania factory between 1946 and 1949. It replaced the 660 horsepower (490 kW) VO-660 in their catalog, and was in turn replaced by the 750 horsepower (560 kW) DS-4-4-750. It was the low power companion to Baldwin's DS-4-4-1000 models.
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 80 years ago, in 1946.
- 492 kW is about 6 family cars (~85 kW each) flat out.
- Weighs about as much as 15 African elephants (~6 t each).
- 14 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
- 1946–1949
- number built
- 139
- 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 m
- weight
- 89.2 t
From the Wikipedia infobox and Wikidata. Blank means the sources don't say.
Sources: Wikidata Q4850548, Wikipedia: Baldwin DS-4-4-660 (CC BY-SA 4.0).Updated 2026-10-25.