Sulzer SBB Bm 4/4 II

Built by SLM, BBC, Sulzer

Top speed

110 km/h

68 mph

Weight

66 t

145,505 lb

Length

14.9 m

48 ft 11 in

Track gauge

1,435 mm

Standard gauge

Years built

1939

2 units

Axle arrangement

Bo'Bo'

Overview of the Sulzer SBB Bm 4/4 II

Discover the SBB Bm 4/4 II, a robust diesel locomotive designed for the Swiss Federal Railways.

This impressive machine, built in 1939 by SLM, BBC, and Sulzer, showcases a reliable and enduring design.

With a top speed of 110 km/h and a standard gauge of 1435 mm, the Bm 4/4 II is well-equipped for various transport duties across Switzerland.

Measuring 14.9 meters and weighing 66 tons, this Bo'Bo' classification locomotive offers excellent stability and performance for its operational needs.

Explore the details of this iconic Swiss locomotive, renowned for its efficiency and continued service on the rail network.

Sulzer SBB Bm 4/4 II technical specifications

	Value	Imperial / US
Built by	SLM, BBC, Sulzer · 19392 units
Top speed	110 km/h68 mph	68 mph
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	14.9 m48 ft 11 in	48 ft 11 in
Weight	66 t145,505 lb	145,505 lb