Baldwin DRS-4-4-1500

Baldwin DRS-4-4-1500
Type and origin
Power typeDiesel-electric
BuilderBaldwin Locomotive Works
ModelDRS-4-4-1500
Build dateJuly 1947–May 1950
Total produced35
Specifications
Configuration:
​
 • AARB-B
 • UICBo′Bo′
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Length57 ft 10+3⁄4 in (17.65 m)
Height14 ft (4.27 m)
Loco weight120 short tons (107 long tons; 109 t)
Prime moverBaldwin 608SC
Engine typeFour-stroke diesel
AspirationTurbocharged
Displacement15,832 cu in (259.44 L)
AlternatorWestinghouse YG42A
GeneratorWestinghouse 471A
Traction motorsWestinghouse 370F (4)
Cylinders8
Cylinder size12+3⁄4 in × 15+1⁄2 in (324 mm × 394 mm)
TransmissionElectric
Loco brakeStraight air
Train brakesAir
Performance figures
Maximum speed65 mph (105 km/h)
Power output1,500 hp (1,100 kW)
Tractive effort61,510 lbf (273.61 kN)

The Baldwin DRS-4-4-1500 was a 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 by Baldwin Locomotive Works 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 to Burlington Northern 405-406
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.


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