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Baldwin DS-4-4-1000

Balwin DS-4-4-1000 (608NA)
Katy Switcher On Display In Parsons, KS.jpg
An ex-MKT DS-4-4-1000 on display in Parsons, Kansas.
Type and origin
Power type Diesel-electric
Builder Baldwin Locomotive Works
Model DS-4-4-1000 (608NA)
Build date June 1946 – January 1948
Total produced 56
Specifications
AAR wheel arr. B-B
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Prime mover Baldwin 608NA
Engine type Four-stroke diesel
Aspiration Normally aspirated, solid injection
Displacement 1,979 cu in (32.43 l) per cylinder
15,831 cu in (259.42 l) total
Generator DC generator
Traction motors DC traction motors
Cylinders Straight-8
Cylinder size 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Transmission Electric
Loco brake Air
Train brakes Air
Performance figures
Power output 1,000 hp (746 kW)
Career
Locale North America
Type and origin
Power type Diesel-electric
Builder Baldwin Locomotive Works
Model DS-4-4-1000 (608NA)
Build date June 1946 – January 1948
Total produced 56
Specifications
AAR wheel arr. B-B
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Prime mover Baldwin 608NA
Engine type Four-stroke diesel
Aspiration Normally aspirated, solid injection
Displacement 1,979 cu in (32.43 l) per cylinder
15,831 cu in (259.42 l) total
Generator DC generator
Traction motors DC traction motors
Cylinders Straight-8
Cylinder size 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Transmission Electric
Loco brake Air
Train brakes Air
Performance figures
Power output 1,000 hp (746 kW)
Career
Locale North America
Balwin DS-4-4-1000 (606SC)
Type and origin
Power type Diesel-electric
Builder Baldwin Locomotive Works
Model DS-4-4-1000 (606SC)
Build date January 1948 – November 1951
Total produced 446
Specifications
AAR wheel arr. B-B
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Length 46 ft 6 1⁄4 in (14.18 m)
Width 9 ft 11 1⁄4 in (3.03 m)
Height 14 ft (4.27 m)
Loco weight 230,000 lb (100,000 kg)
Prime mover Baldwin 606SC
RPM range 625 rpm max.
Engine type Four-stroke diesel
Aspiration Turbocharged
Displacement 1,979 cu in (32.43 l) per cylinder
11,874 cu in (194.58 l) total
Generator West’hse 480DC
Traction motors (4) West’hse 362-D
Cylinders Straight-6
Cylinder size 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Loco brake Air
Train brakes Air
Performance figures
Power output 1,000 hp (746 kW)
Tractive effort 57,500 lb (26,100 kg)
Career
Locale North America
Type and origin
Power type Diesel-electric
Builder Baldwin Locomotive Works
Model DS-4-4-1000 (606SC)
Build date January 1948 – November 1951
Total produced 446
Specifications
AAR wheel arr. B-B
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Length 46 ft 6 1⁄4 in (14.18 m)
Width 9 ft 11 1⁄4 in (3.03 m)
Height 14 ft (4.27 m)
Loco weight 230,000 lb (100,000 kg)
Prime mover Baldwin 606SC
RPM range 625 rpm max.
Engine type Four-stroke diesel
Aspiration Turbocharged
Displacement 1,979 cu in (32.43 l) per cylinder
11,874 cu in (194.58 l) total
Generator West’hse 480DC
Traction motors (4) West’hse 362-D
Cylinders Straight-6
Cylinder size 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Loco brake Air
Train brakes Air
Performance figures
Power output 1,000 hp (746 kW)
Tractive effort 57,500 lb (26,100 kg)
Career
Locale North America

The Baldwin DS-4-4-1000 were two models of four-axle 1,000 horsepower (746 kW) diesel-electric switching locomotives built by the Baldwin Locomotive Works between 1946 and 1951. The first models (56 locomotives) was powered by an 8-cylinder normally aspirated prime mover, but from 1948, a change was made to the second model powered by a 6-cylinder turbocharged engine. These two models replaced the VO-1000 in Baldwin’s catalogue, and were in turn replaced by the S-12 in 1951.



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