Baldwin DRS-4-4-1500

Baldwin DRS-4-4-1500

Type and origin Power type Diesel-electric Builder Baldwin Locomotive Works Model DRS-4-4-1500 Build date July 1947–May 1950 Total produced 35

Specifications AAR wheel arr. B-B UIC class Bo′Bo′ Gauge 4 ft 8 ^1⁄2 in (1,435 mm) Length 57 ft 10 ^3⁄4 in (17.65 m) Height 14 ft (4.27 m) Loco weight 120 short tons (107 long tons; 109 t) Prime mover Baldwin 608SC Engine type Four-stroke diesel Aspiration Turbocharged Displacement 15,832 cu in (259.44 L) Generator DC generator Traction motors DC traction motors Cylinders 8 Cylinder size 12 ^3⁄4 in × 15 ^1⁄2 in (324 mm × 394 mm) Transmission Electric Loco brake Straight air Train brakes Air

Performance figures Maximum speed 65 mph (105 km/h) Power output 1,500 hp (1,100 kW) Tractive effort 61,510 lbf (273.61 kN)

The Baldwin DRS-4-4-1500 was a United States diesel-electric locomotive of the road switcher type rated at 1,500-horsepower (1,100 kW), that rode on two-axle trucks, having a B-B wheel arrangement. It was manufactured from 1947 until it was replaced in 1950 by the 1,600-horsepower (1,200 kW) AS-16.

Nine railroads bought 35 locomotives, with five railroads later buying the successor model.

Railroad	Quantity	Road Numbers	Notes
Erie Railroad	6	1100–1105
Lehigh Valley Railroad	1	200
Iron Mines of Venezuela (Bethlehem Steel Company)	3	1–3
Minneapolis, St. Paul and Sault Ste. Marie Railroad ("Soo Line")	8	360–367
Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway)	4	4112–4115
New York Central Railroad	2	7300–7301
Northern Pacific Railway	2	175–176	Renumbered 500–501
Pennsylvania-Reading Seashore Lines	6	6000–6005
Western Maryland Railway	3	170–172
Total	35

References

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