Baldwin DS-4-4-660

Baldwin DS-4-4-660
A very rusty Baldwin DS-4-4-660 locomotive sits next to the NS main in Roanoke, VA. This is one of "The Lost Engines of Roanoke" and is Chesapeake Western #663.
Type and origin Power type Diesel-electric Builder Baldwin Locomotive Works Build date June 1946 to May 1949 Total produced 139
Specifications Configuration: ​  • AAR B-B Gauge 4 ft 8+1⁄2 in (1,435 mm) Length 46 ft 6+1⁄4 in (14.18 m) Width 9 ft 11+1⁄4 in (3.03 m) Height 14 ft (4.27 m) Loco weight 196,600 lb (89,200 kg) Prime mover 606NA RPM range 625 rpm max. Engine type Four-stroke diesel Aspiration Normally aspirated, solid injection Displacement 1,979 cu in (32.43 L) per cylinder 11,874 cu in (194.58 L) total Generator DC type 480 Traction motors West’hse 362-D Cylinders Straight-6 Cylinder size 12+3⁄4 in × 15+1⁄2 in (324 mm × 394 mm)) Loco brake Air Train brakes Air
Performance figures Power output 660 hp (492 kW) Tractive effort 56,500 lb (25,600 kg)
Career Locale North America

The Baldwin DS-4-4-660 was a four-axle 660 horsepower (490 kW) diesel-electric switcher 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.

Original owners

Railroad	Quantity	Road numbers	Notes
American Cyanamid Company	1	13
American Rolling Mill Company	1	1001
Chesapeake Western Railway	3	661–663
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

References

• Dorin, Patrick C. (1972). Chicago and North Western Power. Burbank, California: Superior Publishing. p. 158. ISBN 0-87564-715-4.
• Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Pasadena, California: Interurban Press. ISBN 0-916374-93-9.
• Pinkpank, Jerry A (1973). The Second Diesel Spotter’s Guide. Kalmbach Books. pp. 282, 287. ISBN 0-89024-026-4.