ALCO RS-2

Specifications
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	AAR type B
Wheel diameter	40 in (1,000 mm)
Minimum curve	57° (104.79 ft or 31.94 m)
Wheelbase	39 ft 4 in (11.99 m)
Length	56 ft (17 m)
Width	10 ft (3.0 m)
Height	14 ft 5 in (4.39 m)
Loco weight	249,600 lb (113,200 kg)
Fuel capacity	800 US gal (3,000 L; 670 imp gal)
Prime mover	ALCO 244
Engine type	V12 Four-stroke diesel
Aspiration	Turbocharger
Generator	GE 5GT-564B-1
Traction motors	(4) GE 752-A
Cylinders	12
Cylinder size	9 in × 10+1⁄2 in (229 mm × 267 mm); bore x stroke

Type and origin
Type and origin
Power type	Diesel-electric
Builder	American Locomotive Company; Montreal Locomotive Works
Model	RS-2
Build date	October 1946 – May 1950
Total produced	377

ALCO RS-2
ALCO RS-2
	Santa Fe Railway #2098
Power type
Type and origin
Power type	Diesel-electric
Builder	American Locomotive Company; Montreal Locomotive Works
Model	RS-2
Build date	October 1946 – May 1950
Total produced	377
Configuration:;
Specifications
Configuration:;
• AAR	B-B
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Trucks	AAR type B
Wheel diameter	40 in (1,000 mm)
Minimum curve	57° (104.79 ft or 31.94 m)
Wheelbase	39 ft 4 in (11.99 m)
Length	56 ft (17 m)
Width	10 ft (3.0 m)
Height	14 ft 5 in (4.39 m)
Loco weight	249,600 lb (113,200 kg)
Fuel capacity	800 US gal (3,000 L; 670 imp gal)
Prime mover	ALCO 244
Engine type	V12 Four-stroke diesel
Aspiration	Turbocharger
Generator	GE 5GT-564B-1
Traction motors	(4) GE 752-A
Cylinders	12
Cylinder size	9 in × 10+1⁄2 in (229 mm × 267 mm); bore x stroke
Power output
Performance figures
Power output	1,500 hp (1.119 MW) @ 1,000rpm; later models 1,600 hp (1.193 MW)
Tractive effort	62,500 lb (28,300 kg)
Locale
Career
Locale	North America

The ALCO RS-2 is a 1,500–1,600 horsepower (1,100–1,200 kW) B-B diesel-electric locomotive built by the American Locomotive Company (ALCO) from 1946 to 1950. ALCO introduced the model after World War II as an improvement on the ALCO RS-1. Between 1946 and 1950, 377 examples of the RS-2 were built, primarily for American and Canadian customers.

ALCO discontinued the RS-2 in 1950 in favor of the very similar RS-3, which was more popular. Several examples have been preserved.

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