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An MKT Baldwin DS-4-4-1000 on display in Parsons, Kansas.
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An MKT Baldwin DS-4-4-1000 on display in Parsons, Kansas.

By Doug Wertman - Flickr: Katy Switcher On Display In Parsons, KS, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=17305414

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Baldwin DS-4-4-1000 Diesel Electric Locomotive
The Baldwin DS-4-4-1000 were two models of four-axle 1,000 horsepower (746 kW) diesel-electric switching locomotives built by the Baldwin Locomotive Works between 1946 and 1951. The first models (56 locomotives) was 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 catalog, and were in turn replaced by the S-12 in 1951.

Original owners
608NA engine

Belt Railway of Chicago
Quantity:  1
Road Numbers:  405

Copper Range Railroad
Quantity:  2
Road Numbers:  100–101

Detroit Terminal Railroad
Quantity:  1
Road Numbers:  103

Erie Railroad
Quantity:  2
Road Numbers:  600–601

Missouri-Kansas-Texas Railroad
Quantity:  11
Road Numbers:  1000–1010

New York, Chicago and St. Louis Railroad (“Nickel Plate Road”)
Quantity:  2
Road Numbers:  100–101

Norfolk Southern Railway
Quantity:  2
Road Numbers:  1001–1002

Reading Company
Quantity:  14
Road Numbers:  26–39

St. Louis Southwestern Railway (“Cotton Belt”)
Quantity:  5
Road Numbers:  1023–1027

Seaboard Air Line Railroad
Quantity:  8
Road Numbers:  1417–1424

U.S. Steel, Geneva Steel Division
Quantity:  6
Road Numbers:  21–26

Western Maryland Railway
Quantity:  2
Road Numbers:  133–134

Total Quantity:  56

606SC engine

Akron and Barberton Belt Railroad
Quantity:  1
Road Numbers:  26

American Smelting and Refining Company
Quantity:  2
Road Numbers:  101–102

Atchison, Topeka and Santa Fe Railway
Quantity:  41
Road Numbers:  2200 (second), 2260–2299

Atlanta and West Point Rail Road
Quantity:  2
Road Numbers:  676–677

Baldwin Locomotive Works (test)
Quantity:  1
Road Numbers:  100DF
Notes:  Dual Fuel experiment, rebuilt to standard specification and sold to Patapsco and Back Rivers Railroad No. 335.

Baltimore and Ohio Railroad
Quantity:  49
Road Numbers:  376–399, 438–462
Notes:  renumbered 9225–9273.

Bessemer and Lake Erie Railroad
Quantity:  1
Road Numbers:  282
Notes:  to Geneva Steel No. 38.

Calumet and Hecla Mining Company
Quantity:  2
Road Numbers:  201–202
Notes:  to Escanaba and Lake Superior.

Canadian Pacific Railway
Quantity:  11
Road Numbers:  7065–7075
Notes:  built by Baldwin Locomotive Works; 1 preserved in Toronto (7069).

Central of Georgia Railway
Quantity:  2
Road Numbers:  36–37

Central Railroad of Pennsylvania (Central Railroad of New Jersey)
Quantity:  3
Road Numbers:  1073–1075

Chicago and North Western Railway
Quantity:  5
Road Numbers:  1018–1022

Chicago Great Western Railway
Quantity:  10
Road Numbers:  32–41

Chicago, Milwaukee, St. Paul and Pacific Railroad (“Milwaukee Road”)
Quantity:  10
Road Numbers:  1692–1697, 1901–1904
Notes:  renumbered 940–949.

Chicago, St. Paul, Minneapolis and Omaha Railway (“Omaha Road”)
Quantity:  2
Road Numbers:  99–100

Erie Railroad
Quantity:  15
Road Numbers:  602–616

Georgia Railroad
Quantity:  1
Road Numbers:  921

Ironton Railroad
Quantity:  2
Road Numbers:  750–751

Kentucky and Indiana Terminal Railroad
Quantity:  2
Road Numbers:  53–54

Lehigh Valley Railroad
Quantity:  8
Road Numbers:  140–148

Long Island Rail Road
Quantity:  1
Road Numbers:  450

Minneapolis, St. Paul and Sault Ste. Marie Railroad (“Soo Line”)
Quantity:  2
Road Numbers:  311–312

Missouri Pacific Railroad
Quantity:  18
Road Numbers:  9120–9127, 9133, 9133–9141, 9167

Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway)
Quantity:  8
Road Numbers:  9148–9149, 9162–9167

Oakland Terminal Railway
Quantity:  1
Road Numbers:  101

Oliver Iron Mining Company
Quantity:  5
Road Numbers:  928–932

Patapsco and Back Rivers Railroad
Quantity:  8
Road Numbers:  337–344

Pennsylvania Railroad
Quantity:  136
Road Numbers:  5550–5590, 5968–5979, 9050–9079, 9122–9275, 9434

Reading Company
Quantity:  30
Road Numbers:  700–729

Seaboard Air Line Railroad
Quantity:  27
Road Numbers:  1435–1461
Notes:  to Seaboard Coast Line Railroad Nos. 51–73.

Southern Railway
Quantity:  5
Road Numbers:  2285–2289

Southern Pacific Company
Quantity:  10
Road Numbers:  1393–1402

Terminal Railroad Association of St. Louis
Quantity:  2
Road Numbers:  602–603

Union Pacific Railroad
Quantity:  5
Road Numbers:  1206–1210

United States Army Corps of Engineers
Quantity:  2
Road Numbers:  L-4, W8380

U.S. Steel, Carnegie-Illinois Steel Division
Quantity:  3
Road Numbers:  74–76

U.S. Steel, Geneva Steel Division
Quantity:  6
Road Numbers:  27–32

Wabash Railroad
Quantity:  1
Road Numbers:  304
Notes:  rebuilt as calf (without a cab) in 1961 after collision damage.

Western Railway of Alabama
Quantity:  1
Road Numbers:  630

Total Quantity:  446

Balwin DS-4-4-1000 (608NA) Overview
Type and origin
Power type: Diesel-electric
Builder: Baldwin Locomotive Works
Model: DS-4-4-1000 (608NA)
Build date June: 1946 – January 1948
Total produced: 56
Specifications
Configuration:
​ • AAR B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Prime mover: Baldwin 608NA
Engine type: Four-stroke diesel
Aspiration: Normally aspirated, solid injection
Displacement: 1,979 cu in (32.43 l) per cylinder
Displacement: 15,831 cu in (259.42 l) total
Generator: DC generator
Traction motors: DC traction motors
Cylinders: Straight-8
Cylinder size: 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Transmission: Electric
Locomotive brake: Air
Train brakes: Air
Performance figures
Power output: 1,000 hp (746 kW)
Career
Locale: North America

Balwin DS-4-4-1000 (606SC) Overview
Type and origin
Power type: Diesel-electric
Builder: Baldwin Locomotive Works
Model DS-4-4-1000 (606SC)
Build date: January 1948 – November 1951
Total produced: 446
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)
Locomotive weight: 230,000 lb (100,000 kg)
Prime mover: Baldwin 606SC
RPM range: 625 rpm max.
Engine type: Four-stroke diesel
Aspiration: Turbocharged
Displacement: 1,979 cu in (32.43 l) per cylinder
Displacement: 11,874 cu in (194.58 l) total
Generator: Westinghouse 480DC
Traction motors: (4) Westinghouse 362-D
Cylinders: Straight-6
Cylinder size: 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Locomotive brake: Air
Train brakes: Air
Performance figures
Power output: 1,000 hp (746 kW)
Tractive effort: 57,500 lb (26,100 kg)
Career
Locale: North America

See also:

Baldwin Diesel Locomotives

Diesel Locomotives