| Baldwin DRS-4-4-1500 | |
|---|---|
| Power type | Diesel-electric |
| Builder | Baldwin Locomotive Works |
| Model | DRS-4-4-1500 |
| Build date | 1947–1950 |
| Total produced | 35 |
| AAR wheel arr. | B-B |
| UIC classification | 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) |
| Locomotive weight | 120 short tons (110 t) |
| Prime mover | Baldwin 608SC |
| Engine type | Four-stroke diesel |
| Aspiration | Turbocharged |
| Displacement | 15,832 cu in (259.44 l) |
| Cylinders | 8 |
| Cylinder size | 123⁄4 × 151⁄2 in (324 × 394 mm) |
| Transmission | DC generator, DC traction motors |
| Top speed | 65 mph (105 km/h) |
| Power output | 1,500 hp (1,100 kW) |
| Tractive effort | 61,510 lbf (273.61 kN) |
| Locomotive brakes | Straight air |
| Train brakes | Air |
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 |
|
|
|
| Lehigh Valley Railroad |
|
|
|
| Iron Mines of Venezuela (Bethlehem Steel Company) |
|
|
|
| Minneapolis, St. Paul and Sault Ste. Marie Railroad ("Soo Line") |
|
|
|
| Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway) |
|
|
|
| New York Central Railroad |
|
|
|
| Northern Pacific Railway |
|
|
Renumbered 500–501 |
| Pennsylvania-Reading Seashore Lines |
|
|
|
| Western Maryland Railway |
|
|
|
| Total | 35 |
Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Interurban Press. ISBN 0916374939.
|
|||||||||||||||||||||||