Baldwin DS-4-4-750
Baldwin DS-4-4-750 | |
---|---|
Type and origin | |
Power type | Diesel-electric |
Builder | Baldwin Locomotive Works |
Model | DS-4-4-750 |
Build date | July 1949 to February 1951 |
Total produced | 53 |
Specifications | |
AAR wheel arr. | B-B |
UIC classification | B′B′ |
Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
Prime mover | 606NA |
Engine RPM range | 625 rpm max. |
Engine type | Four-stroke diesel |
Aspiration | Normally aspirated, solid injection |
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 |
Performance figures | |
Power output | 750 hp (559 kW) |
Locomotive brake | Air |
Train brakes | Air |
Career | |
Locale | North America |
The Baldwin DS-4-4-750 was a four-axle 750 horsepower (560 kW) diesel-electric switcher built by the Baldwin Locomotive Works at it Eddystone, Pennsylvania factory between 1949 and 1951. It was a bridge between the 660 horsepower (490 kW) DS-4-4-660 and the S-8. It was the low power companion in Baldwin's catalog to their DS-4-4-1000 and the S-12.
Original owners
Railroad | Quantity | Road Numbers | Notes |
---|---|---|---|
Baldwin Locomotive Works (plant) | | | to Weyerhaeuser Timber Company 301 in 1956 |
Baldwin Locomotive Works (demonstrators) | | | to Weyerhaeuser Timber Company 101–102 |
American Cyanamid Company | | | |
American Steel and Wire Company | | | |
Atchison, Topeka and Santa Fe Railway | | | |
California Western Railroad | | | |
Erie Railroad | | | |
Pennsylvania Railroad | | | |
Texas Mexican Railway | | | |
Warner Company | | | |
Youngstown Sheet and Tube | | | |
Total | 53 |
Page 40 of the Dolzall Brothers book "Diesels from Eddystone" describes the DR-4-4-750 as a "Horsepower boost for a lagging seller" Baldwin dropped the DR-4-4-660 model and introduced the new 750 HP DR-4-4-750. The Atchinson, Topeka & Santa Fe (AT&SF) purchased nine in August 1948. 21 ubits were sold in 1949 to six different customers.
References
- Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Pasadena, California: Interurban Press. ISBN 0-916374-93-9.
- Dolzall, Gary W. and Stephen F. (1984). Diesels From Eddystone: Baldwin Diesel Locomotives. Milwaukee,Wisconsin: Kalmbach Books. ISBN 0-89024-052-3.
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