ALCo SSB-9

Built by ALCo

Power output

670 kW

898 hp

Weight

115 t

253,531 lb

Length

13.84 m

45 ft 5 in

Track gauge

1,435 mm

Standard gauge

Years built

1956

2 units

Axle arrangement

Bo'Bo'

Overview of the ALCo SSB-9

Explore the SSB-9 diesel locomotive, a robust and historically significant machine built by ALCo in 1956.

Classified as a Bo'Bo' type, this locomotive boasts a substantial weight of 115 tons and delivers 670 kW of power, driven by its ALCo 6-251B prime mover.

With a standard gauge of 1435 mm, the SSB-9 served in the United States, notably with US Steel under the USSX SSB-9 class, representing a fine piece of industrial railway engineering.

Its dimensions include a length of 13.84 meters, a width of 3.05 meters, and a height of 4.47 meters, making it a formidable and dependable unit for demanding industrial operations.

ALCo SSB-9 technical specifications

	Value	Imperial / US
Built by	ALCo · 19562 units
Power output	670 kW898 hp	898 hp
Prime mover	ALCo 6-251B
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	13.84 m45 ft 5 in	45 ft 5 in
Width	3.05 m10 ft 0 in	10 ft 0 in
Height	4.47 m14 ft 8 in	14 ft 8 in
Weight	115 t253,531 lb	253,531 lb