ALCO RS-1

Specifications
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge; 5 ft 3 in (1,600 mm), Brazil
Trucks	AAR type B
Wheel diameter	40 in (1,016 mm)
Minimum curve	57° (116.14 ft or 35.40 m)
Wheelbase	40 ft 5 in (12.32 m)
Length	55 ft 5+3⁄4 in (16.91 m)
Width	10 ft 0 in (3.05 m)
Height	14 ft 5 in (4.39 m)
Loco weight	247,500 lb (112,300 kg)
Fuel capacity	1,000 US gal (3,800 L; 830 imp gal)
Prime mover	Alco 244T, 539T
Engine type	In line Four stroke diesel
Aspiration	Turbocharger
Displacement	1,595 cu in (26.14 L) per cylinder; 9,572 cu in (156.86 L) total
Generator	GE GT-553-C DC generator
Traction motors	(4) GE 731 DC traction motors
Cylinders	6
Cylinder size	12+1⁄2 in × 13 in (318 mm × 330 mm)
Loco brake	Independent air
Train brakes	Air

Type and origin
Type and origin
Power type	Diesel-electric
Builder	American Locomotive Company; Montreal Locomotive Works
Model	RS-1
Build date	March 1941 – March 1960
Total produced	469

ALCO RS-1
ALCO RS-1
	DSSA #101 of the Lake Superior Railroad Museum near French River, Minnesota
Power type
Type and origin
Power type	Diesel-electric
Builder	American Locomotive Company; Montreal Locomotive Works
Model	RS-1
Build date	March 1941 – March 1960
Total produced	469
Configuration:;
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge; 5 ft 3 in (1,600 mm), Brazil
Trucks	AAR type B
Wheel diameter	40 in (1,016 mm)
Minimum curve	57° (116.14 ft or 35.40 m)
Wheelbase	40 ft 5 in (12.32 m)
Length	55 ft 5+3⁄4 in (16.91 m)
Width	10 ft 0 in (3.05 m)
Height	14 ft 5 in (4.39 m)
Loco weight	247,500 lb (112,300 kg)
Fuel capacity	1,000 US gal (3,800 L; 830 imp gal)
Prime mover	Alco 244T, 539T
Engine type	In line Four stroke diesel
Aspiration	Turbocharger
Displacement	1,595 cu in (26.14 L) per cylinder; 9,572 cu in (156.86 L) total
Generator	GE GT-553-C DC generator
Traction motors	(4) GE 731 DC traction motors
Cylinders	6
Cylinder size	12+1⁄2 in × 13 in (318 mm × 330 mm)
Loco brake	Independent air
Train brakes	Air
Maximum speed
Performance figures
Maximum speed	65 mph (105 km/h)
Power output	1,000 hp (746 kW)
Tractive effort	40,425 lbf (179.82 kN)
Locale
Career
Locale	North America, Brazil, Saudi Arabia

The ALCO RS-1 was a 4-axle diesel-electric locomotive built by Alco-GE between 1941 and 1953 and the American Locomotive Company from 1953 to 1960. ALCO subsidiary Montreal Locomotive Works built an additional three RS-1s in 1954. This model has the distinction of having the longest production run of any diesel locomotive for the North American market. The RS-1 was in production for 19 years from the first unit Rock Island #748 in March 1941 to the last unit National of Mexico #5663 in March 1960.

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