ALCO RSC-1

The ALCO RSC-1 was a diesel-electric locomotive of the road switcher type rated at 1,000 horsepower (750 kW), that rode on three-axle trucks, having an A1A-A1A wheel arrangement.

ALCO RSC-1
Type and origin Power type Diesel-electric Builder ALCO Serial number 75006–75009 Build date September 1946 Total produced 4
Specifications Configuration: ​  • AAR A1A-A1A Wheel diameter 40 inches (1,016 mm) Wheelbase 10 ft 6 in (3.20 m) Length 55 ft 5 in (16.89 m) Width 9 ft 11 in (3.02 m) Height 14 ft 4 in (4.37 m) Loco weight 204,000 lb (93,000 kg) Fuel capacity 800 US gallons (670 imp gal; 3,000 L) Prime mover ALCO 539T Engine type Four-stroke diesel Displacement 9,572 cu in (156.86 L) Generator GE GT553C Traction motors GE 731, 4 off Cylinders Straight 6 Cylinder size 12½ in × 13 in (318 × 330 mm) Transmission Electric
Performance figures Power output 1,000 hp (750 kW) Tractive effort 51,000 lbf (230,000 N)

Used in much the same manner as its four-axle counterpart, the ALCO RS-1, though the axle load was distributed for operation on light rail such as are found on branch lines.

Original buyers

Railroad	Quantity	Road numbers	Notes
São Paulo Railway	4	500–503	to Estrada de Ferro Santos a Jundiaí

[1]

References

1. "Alco RSC1/RSD1/MRS1 Roster". Archived from the original on 2 November 2007. Retrieved 8 October 2007.