SLM Bm 6/6

Built by SLM, BBC, SAAS, Sulzer

Top speed

75 km/h

47 mph

Power output

956 kW

1,282 hp

Weight

106 t

233,690 lb

Length

17 m

55 ft 9 in

Track gauge

1,435 mm

Standard gauge

Years built

1954–1961

14 units

Overview of the SLM Bm 6/6

Explore the powerful Bm 6/6 diesel locomotive, an iconic piece of Swiss railway history.

Built between 1954 and 1961 by renowned manufacturers like SLM, BBC, SAAS, and Sulzer, this locomotive combines Swiss precision with impressive performance.

Measuring 17 meters long and weighing 106 tons, the Bm 6/6 was designed for heavy-duty work, powered by a robust diesel engine with an output of 956 kW.

This locomotive, featuring a 1435 mm gauge and a Co'Co' UIC classification, achieved a top speed of 75 km/h, demonstrating its reliability and efficiency.

The SBB Bm 6/6 and SLM Bm 6/6 were essential components of the Swiss railways, contributing to the transport of goods and passengers across long distances.

SLM Bm 6/6 technical specifications

	Value	Imperial / US
Built by	SLM, BBC, SAAS, Sulzer · 1954–196114 units
Top speed	75 km/h47 mph	47 mph
Power output	956 kW1,282 hp	1,282 hp
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Co'Co'
Length	17 m55 ft 9 in	55 ft 9 in
Weight	106 t233,690 lb	233,690 lb