SAAS 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 SAAS Bm 6/6

Discover the Bm 6/6 diesel locomotive, a true workhorse of Swiss railways.

Built by SLM, BBC, SAAS, and Sulzer between 1954 and 1961, this robust locomotive served faithfully for both the Swiss Federal Railways (SBB) and Schorno Locomotive Management (SLM).

With a powerful 956 kW output and a top speed of 75 km/h, the Bm 6/6 exemplifies reliability and strength. Its standard gauge (1435 mm) and Co'Co' axle arrangement make it well-suited for diverse railway routes.

Measuring 17 meters long and weighing 106 tons, this diesel locomotive represents Swiss engineering excellence and its lasting legacy in the railway sector. Explore the features and history of this iconic Swiss engine.

SAAS 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