Baldwin DRS-4-4-1000

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Baldwin DRS-4-4-1000
Canadian Pacific Railway #8010.
Specifications
Power type	Diesel-electric
Builder	Baldwin Locomotive Works
Model	DRS-4-4-10
Build date	July 1948 — March 1950
Total produced	22
AAR wheel arr.	B-B
Gauge	4 ft 8¹⁄₂ in (1,435 mm)
Prime mover	606SC
Engine RPM range	625 rpm maximum
Engine type	Four-stroke diesel
Aspiration	Turbocharger
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	Straight-6
Cylinder size	12 ³⁄₄ in × 15 ¹⁄₂ in (324 mm × 394 mm)
Transmission	Electric
Power output	1,000 hp (750 kW)
Locomotive brake	Straight air
Train brakes	Air
Career
Locale	North America

The Baldwin DRS-4-4-1000 was a diesel-electric road switcher produced by the Baldwin Locomotive Works from July, 1948–March, 1950. The units featured a 1,000 horsepower (750 kW), six-cylinder prime mover, and were configured in a B-B wheel arrangement mounted atop a pair of two-axle AAR Type-B road trucks, with all axles powered. They had a cast steel frame. The units were configured to normally run with the long hood in the forward position.

Only 9 were built for American railroads, with another 13 manufactured in January and February, 1949 by the Canadian Locomotive Company for the Esquimalt and Nanaimo Railway, the first railroad in Canada to dieselize its locomotive fleet. The DRS-4-4-1000 was (in most cases) visually indistinguishable from its 1,200 horsepower (890 kW) successor, the Baldwin RS-12. Only one intact example of the DRS-4-4-1000 is known to exist today (former CPR #8000), and is currently on display in Calgary, Alberta.

Units produced by Baldwin Locomotive Works (1948–1950)

Railroad	Quantity	Road numbers
Pennsylvania Railroad	6	5591–5594, 9276, 9277
Tennessee Central Railway	3	75–77

Units produced by the Canadian Locomotive Company (1949)

Railroad	Quantity	Road numbers
Canadian Pacific Railway	13	8000–8012 (units worked the Esquimalt and Nanaimo Railway)

References

"The Esquimalt and Nanaimo Railway (ENR/E&N)". ROCArchives. Archived from the original on 27 January 2006. Retrieved January 15, 2006.
Pinkepank, Jerry A. (1973). The Second Diesel Spotter’s Guide. Milwaukee, WI: Kalmbach Publishing Company. ISBN 0-89024-026-4.

External links

v t e 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)

v t e 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

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