ALCO SB-8/SSB-9

The Alco SSB-9 (spec. DL 461) was a diesel-electric locomotive of the switcher type constructed as a cow-calf set by ALCO of Schenectady, New York. These were based on the ALCO S-6, and produced exclusively for Oliver Iron Mining, who bought two sets. The 'cow' being the model S-6(spec. DL 430), and the 'calf' being the SB-8(spec. DL 431).

ALCO SB-8/SSB-9
Type and origin Power type Diesel-electric Builder ALCO Serial number 81817–81818 (S-6), 82311–82312 (SB-8) Model SSB-9 Build date October/November 1956 Total produced 2 sets
Specifications Configuration: ​  • AAR B-B  • UIC Bo'Bo' Gauge 4 ft 8 1⁄2 in (1,435 mm) Length 45 ft 5 in (13.84 m)[1] Width 10 ft (3.05 m) Height 14 ft 8 in (4.47 m) Loco weight 230,000 lb (104,326 kg) Fuel capacity 635 US gal (529 imp gal; 2,404 L) Prime mover ALCO 251B Engine type Four-stroke diesel Generator GE GT533 Traction motors 4 × GE 731 Cylinders straight 6
Performance figures Maximum speed 60 km/h (37 mph) Power output 900 hp (670 kW) per unit, 1,800 hp (1,300 kW) per set
Career Disposition Both scrapped