Baldwin DS-4-4-1000

Balwin DS-4-4-1000 (608NA)

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

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
AAR wheel arr	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 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
Loco brake	Air
Train brakes	Air

Performance figures
Power output	1,000 hp (746 kW)

Career
Locale	North America

Balwin DS-4-4-1000 (606SC)

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
AAR wheel arr	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	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 11,874 cu in (194.58 l) total
Generator	West’hse 480DC
Traction motors	(4) 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	1,000 hp (746 kW)
Tractive effort	57,500 lb (26,100 kg)

Career
Locale	North America

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 catalogue, and were in turn replaced by the S-12 in 1951.

Original owners

608NA engine

Railroad	Quantity	Road Numbers
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
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 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, 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
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	18	9120–9127, 9133, 9133–9141, 9167
Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway)	8	9148–9149, 9162–9167
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
Reading Company	30	700–729
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

References

Dorin, Patrick C. (1972). Chicago and North Western Power. 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.
Pinkpank, Jerry A (1973). The Second Diesel Spotter’s Guide. Kalmbach Books. pp. 282, 289. ISBN 0-89024-026-4.

External links

Diesel locomotives built by the Baldwin Locomotive Works

Early units	Experimental units Baldwin pre-production switchers 4-8+8-4-750/8-DE

Switchers	VO-660 RS-4-TC DS-4-4-660 DS-4-4-750 S-8 VO-1000 DS-4-4-1000 S-12

Road switchers	DRS-4-4-1000 RS-12 DRS-4-4-1500 AS-16 DRS-6-4-1500 AS-416 DRS-6-6-1500 AS-616

Transfer units	DT-6-6-2000 RT-624

Cab units	DR-12-8-1500/2 DR-6 series DR-4-4-15 RF-16 RP-210

Export units	Soviet Railways ДБ20 DRS-6-4-660 DRS-6-4-750 DRS-6-4-1000 RF-615E

(See also: List of Baldwin diesel locomotives)

Diesel locomotives built by the Canadian Locomotive Company

Baldwin designs	DS-4-4-1000 DRS-4-4-1000

Fairbanks-Morse designs	H-12-44 H-12-46 H-16-44 H-24-66 CFA-16-4 CFB-16-4 CPA-16-4 CPB-16-4 CPA-16-5 CPB-16-5

Diesel-electric switcher locomotives

Alco	ALCO Boxcab ALCO 600 HH600 HH660 HH900 HH1000 S-1 S-2 S-3 S-4 S-5 S-6 T-6 SB-8/SSB-9

Baldwin	VO-660 DS-4-4-660 DS-4-4-750 S-8 RS-4-TC VO-1000 DS-4-4-1000 S-12

Fairbanks-Morse	H-10-44 H-12-44 H-12-44TS H-12-46

GE	60-ton boxcab 100-ton boxcab 600-hp centercab 1000-hp centercab DEY-2 EN-6 25-ton 35-ton 43-ton 44-ton 45-ton 50-ton 60-ton 65-ton 70-ton 80-ton 95-ton 100-ton 110-ton 125-ton 126-ton 128-ton 1800-hp transfer 2000-hp transfer U5B U6B

GM/EMD	SC, SW, NC, NC1, NC2, NW, NW1, NW1A, NW4, T NW2 NW3 NW5 TR1 SW1 SW7 SW8 SW9 SW600 SW900 SW1000 SW1001 SW1200 SW1500 SW1504 MP15DC MP15AC MP15T RS1325 GMD1

Lima-Hamilton	LS-750 LS-800 LS-1000 LS-1200

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