Baldwin S-8

Type and origin
Power type	Diesel-electric
Builder	Baldwin Locomotive Works
Model	S-8
Build date	March 1951 – September 1954
Total produced	54, plus 9 "calf" units

Specifications
AAR wheel arr.	B-B
UIC class	B′B′
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm) standard gauge
Prime mover	606
RPM range	625 rpm maximum
Engine type	Straight-6 Four-stroke diesel
Aspiration	Naturally aspirated, solid injection
Displacement	1,979 cu in (32.43 L) per cylinder 11,874 cu in (194.58 L) total
Generator	DC generator
Traction motors	DC traction motors
Cylinders	6
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	800 hp (600 kW)

Career
Locale	United States and Cuba
Disposition	Two preserved, remainder scrapped

The Baldwin S-8 was an 800-horsepower (600 kW) diesel-electric locomotive intended for use in yard switching. The Baldwin Locomotive Works produced a total of 63 units (61 for United States railroads and 2 for use in Cuba) between 1951 and 1953. Of these, nine were "calf" units built for Oliver Iron Mining Company in Minnesota. A tenth calf had been built for them on a verbal order, but when delivery was refused, it was fitted with a cab, and converted to a regular S-8.

Original owners

Railroad	Quantity	Road numbers	Notes
American Rolling Mill Company	3	1151, 1152, 1201
Escanaba and Lake Superior Railroad	1	102
La Salle and Bureau County Railroad	1	8
Medford Corporation, (Medford, Oregon)	1	8	Only Baldwin switcher built with dynamic brakes; preserved by the Southern Oregon Chapter, NHRS
New Orleans Public Belt Railroad	2	50, 51
Oliver Iron Mining Company	9	1200A–1206A, 1214A, 1215A	"Cow" units
Oliver Iron Mining Company	9	1200B–1206B, 1214B, 1215B	"Calf" units
Pennsylvania Railroad	6	8994–8999
Pennsylvania-Reading Seashore Lines	1	6006
Chicago, Rock Island and Pacific Railroad	5	802–806
Sharon Steel Corporation	8	3–10
Sloss-Sheffield Steel	4	33–36
United Railways of Havana, Cuba	2	8001, 8002
US Pipe and Foundry	1	37	Build as "calf"; fitted with cab before sale to USP&F; preserved by Heart of Dixie Railroad Museum (Calera, Alabama) as Jefferson Warrior 37
US Steel	1	13
Weyerhaeuser Company	2	103, 105
Youngstown Sheet and Tube	7	703, 800–805
Totals	54	A units
Totals	9	B units

Only two intact examples of the S-8 are known to survive today, one of which is owned by a railroad museum, while the other is the property of a railway historical society.

References

Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Pasadena, California: Interurban Press. ISBN 0-916374-93-9.
"Preserved Lima and Baldwin Diesels". Archived from the original on 22 June 2008. Retrieved 2008-05-22.

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-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

National Railway Equipment	1GS7B 2GS14B 3GS21B 3GS21C

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