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Type and origin
Power type Diesel-electric
Builder ALCO
Serial number 81817–81818 (SB-8),
82311–82312 (SSB-9)
Model SB-8/SSB-9
Build date October/November 1956
Total produced 2 sets
AAR wheel arr. B-B
UIC classification Bo'Bo'
Gauge 4 ft 8 12 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)
Locomotive weight 230,000 lb (104,326 kg)
Fuel capacity 635 US gal (529 imp gal; 2,404 L)
Prime mover ALCO 251A,B
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

The Alco SB-8/SSB-9 (spec. DL 441) 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 SB-8, and the 'calf' being the SSB-9.

See also[edit]


  1. ^ "ALCO S-6 Data Sheet". The Diesel Shop. Retrieved 2006-11-29. 

External links[edit]