Baldwin DRS-6-4-1500

CAGY #601 on display in Columbis, Mississippi

Type and origin
Power type	Diesel-electric
Builder	Baldwin Locomotive Works
Model	DRS-6-4-1500
Build date	1946–1952
Total produced	91

Specifications
AAR wheel arr.	A1A-A1A
Prime mover	608SC

Performance figures
Power output	1,500 hp (1,100 kW)

The Baldwin DRS-6-4-1500 was a diesel-electric locomotive of the road switcher type rated at 1,600 horsepower (1,200 kW), that rode on three-axle trucks, having an A1A-A1A wheel arrangement. It was introduced in 1946, and was replaced in Baldwin's catalog by the AS-416 in 1950, but continued in production for export orders until 1952.

Used in much the same manner as its four-axle counterpart, the Baldwin DRS-4-4-1500, though the wheel arrangement spread out the axle load for operation on light rail such as are found on branch lines.

Ninety-one units were sold to ten railroads, but the model did far better in the export market than the domestic – 62 units to three North African countries, versus 29 units to seven railroads.

Original buyers

Railroad	Quantity	Road Numbers	Notes
Baldwin Locomotive Works	2	1500	to Union Pacific 1250
Baldwin Locomotive Works	2	1501	to Kennecott Copper Corporation 901
Columbus and Greenville Railway	5	601–605
Chicago and North Western Railway	1	1504
Norfolk Southern Railway	10	1501–1510
Savannah and Atlanta Railway	8	100–107
Southern Pacific Company	3	5200–5202
Office des Chemins de fer Algériens	43
Office National des Chemins de Fer du Maroc	15
Tunisian Railways	4	040 DA 301–304
Total	91

References

Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Interurban Press. ISBN 0-916374-93-9.

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)

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