Baldwin DS-4-4-1000

Baldwin DS-4-4-1000-NA (608NA)
Baldwin DS-4-4-1000 #41, of the Chicago Great Western at a yard in Chicago, Illinois on September 10, 1967
Type and origin
Power typeDiesel–electric
BuilderBaldwin Locomotive Works
ModelDS-4-4-1000 (608NA)
Build dateJune 1946 – January 1948
Total produced56
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8+1⁄2 in (1,435 mm)
Prime moverBaldwin 608NA
Engine typeFour-stroke diesel
AspirationNormally aspirated, solid injection
Displacement1,979 cu in (32.43 L) per cylinder
15,831 cu in (259.42 L) total
GeneratorDC generator
Traction motorsDC traction motors
CylindersStraight-8
Cylinder size12+3⁄4 in × 15+1⁄2 in (324 mm × 394 mm)
TransmissionElectric
Loco brakeAir
Train brakesAir
Performance figures
Power output1,000 hp (746 kW)
Career
LocaleNorth America
Balwin DS-4-4-1000-SC (606SC)
Pennsylvania Railroad DS4-4-1000-SC #5586 in Conway Yard, Conway, Pennsylvania (date unknown)
Type and origin
Power typeDiesel–electric
BuilderBaldwin Locomotive Works
ModelDS-4-4-1000 (606SC)
Build dateJanuary 1948 – November 1951
Total produced446
Specifications
Configuration:
​
 • AARB-B
Gauge4 ft 8+1⁄2 in (1,435 mm)
Length46 ft 6+1⁄4 in (14.18 m)
Width9 ft 11+1⁄4 in (3.03 m)
Height14 ft (4.27 m)
Loco weight230,000 lb (100,000 kg)
Prime moverBaldwin 606SC
RPM range625 rpm max.
Engine typeFour-stroke diesel
AspirationTurbocharged
Displacement1,979 cu in (32.43 L) per cylinder
11,874 cu in (194.58 L) total
GeneratorWestinghouse 480DC
Traction motorsWestinghouse 362-D, 4 off
CylindersStraight-6
Cylinder size12+3⁄4 in × 15+1⁄2 in (324 mm × 394 mm)
Loco brakeAir
Train brakesAir
Performance figures
Power output1,000 hp (746 kW)
Tractive effort57,500 lb (26,100 kg)
Career
LocaleNorth America

The Baldwin DS-4-4-1000 were two models of four-axle 1,000 horsepower (746 kW) diesel–electric switcher locomotives built by the Baldwin Locomotive Works between 1946 and 1951. The first models (56 locomotives) were powered by an 8-cylinder normally aspirated prime mover, but from 1948, a change was made to the second model powered by a 6-cylinder turbocharged engine. These two models replaced the VO-1000 in Baldwin's catalogue, and were in turn replaced by the S-12 in 1951.

Original owners

608NA (Normally Aspirated) engine

Railroad Quantity Road numbers Notes
Belt Railway of Chicago 1 405
Copper Range Railroad 2 100–101
Detroit Terminal Railroad 1 103
Erie Railroad 2* 600–601
Missouri-Kansas-Texas Railroad 11 1000–1010 renumbered 22–32 in 1960; rebuilt by EMD with 1000-hp 12-567C engines between February 1959 and April 1960
New York, Chicago and St. Louis Railroad ("Nickel Plate Road") 2 100–101
Norfolk Southern Railway 2 1001–1002
Reading Company 14* 26–39
St. Louis Southwestern Railway ("Cotton Belt") 5 1023–1027
Seaboard Air Line Railroad 8* 1417–1424
U.S. Steel, Geneva Steel Division 6* 21–26
Western Maryland Railway 2 133–134
Total 56

606SC (Turbocharged) engine

Railroad Quantity Road numbers Notes
Akron and Barberton Belt Railroad 1 26
American Smelting and Refining Company 2 101–102
Atchison, Topeka and Santa Fe Railway 41 2200 (second), 2260–2299
Atlanta and West Point Rail Road 2 676–677
Baldwin Locomotive Works (test) 1 100DF Dual Fuel experiment with Bunker C Oil and Diesel, rebuilt to
standard specification and sold
to Patapsco and Back Rivers
Railroad #335
Baltimore and Ohio Railroad 49 376–399, 438–462 renumbered 9225–9273
Bessemer and Lake Erie Railroad 1 282 to Geneva Steel #38
Calumet and Hecla Mining Company 2 201–202 to Escanaba and Lake Superior
Canadian Pacific Railway 11 7065–7075 built by Baldwin Locomotive Works;
1 preserved in Toronto (7069)
Central of Georgia Railway 2 36–37
Central Railroad of Pennsylvania (Central Railroad of New Jersey) 3 1073–1075
Chicago and North Western Railway 5 1018–1022
Chicago Great Western Railway 10 32–41
Chicago, Milwaukee, St. Paul and Pacific Railroad ("Milwaukee Road") 10 1692–1697, 1901–1904 renumbered 940–949
Chicago, St. Paul, Minneapolis and Omaha Railway ("Omaha Road") 2 99–100
Erie Railroad 15* 602–616
Georgia Railroad 1 921
Ironton Railroad 2 750–751 750 to Patapsco and Back Rivers #348; 751 to Conrail #8354
Kentucky and Indiana Terminal Railroad 2 53–54
Lehigh Valley Railroad 8 140–148
Long Island Rail Road 1 450
Minneapolis, St. Paul and Sault Ste. Marie Railroad ("Soo Line") 2 311–312
Missouri Pacific Railroad 17 9120–9127, 9133–9141 renumbered 1066–1073, 1074–1082
Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway) 8 9148–9149, 9162–9167 renumbered 1083, —, 1092–1097
Oakland Terminal Railway 1 101
Oliver Iron Mining Company 5 928–932
Patapsco and Back Rivers Railroad 8 337–344
Pennsylvania Railroad 136 5550–5590, 5968–5979, 9050–9079, 9122–9275, 9434 PRR Class BS-10a
Reading Company 30* 700–729
St. Louis-San Francisco Railway ("Frisco") 4 238–241
Seaboard Air Line Railroad 27* 1435–1461 to Seaboard Coast Line Railroad #51–73
Southern Railway 5 2285–2289
Southern Pacific Company 10 1393–1402
Terminal Railroad Association of St. Louis 2 602–603
Union Pacific Railroad 5 1206–1210
United States Army Corps of Engineers 2 L-4, W8380
U.S. Steel, Carnegie-Illinois Steel Division 3 74–76
U.S. Steel, Geneva Steel Division 6* 27–32
Wabash Railroad 1 304 rebuilt as calf (without a cab) in 1961 after collision damage
Western Railway of Alabama 1 630
Total 446

*Ordered Both 608NA & 606SC Models

References

  • Dorin, Patrick C. (1972). Chicago and North Western Power. Burbank, California: Superior Publishing. p. 161. 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.
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Kalmbach Books. pp. 282, 289. ISBN 0-89024-026-4.
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