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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.
Railroad | Quantity | Road numbers | Notes |
---|---|---|---|
American Cyanamid Company | 1 | 13 | |
American Rolling Mill Company | 1 | 1001 | |
Chesapeake Western Railway | 3 | 661–663 | 661 scrapped, 662 and 663 survive in Roanoke, VA. |
Chicago, St. Paul, Minneapolis and Omaha Railway (“Omaha Road”) | 1 | 71 | |
Chicago and North Western Railway | 3 | 1259–1261 | |
Crows Nest Pass Coal | 1 | 1 | |
Escanaba and Lake Superior Railroad | 1 | 101 | |
Erie Railroad | 5 | 381–385 | |
Georgia Northern Railway | 1 | 102 | |
Long Island Rail Road | 4 | 409–412 | |
New Orleans Public Belt Railroad | 6 | 44–49 | |
Norfolk Southern Railway | 3 | 661–663 | |
Patapsco and Back Rivers Railroad | 4 | 306–309 | |
Pennsylvania Railroad | 99 | 5957–5966, 9000–9049, 9110–9121, 9210–9236 | PRR Class BS-6a |
Sloss-Sheffield Steel | 1 | 30 | |
Tennessee Valley Authority | 1 | 100 | |
Wabash Railroad | 2 | 201–202 | |
Wyandotte Southern Railroad | 1 | D100 | |
Wyandotte Terminal Railroad | 1 | 104 | |
Total | 139 |