SLM Em 3/3

Built by SLM, BBC, SAAS

Top speed

65 km/h

40 mph

Power output

440 kW

590 hp

Weight

48 t

105,822 lb

Length

10.02 m

32 ft 10 in

Track gauge

1,435 mm

Standard gauge

Years built

1959–1963

41 units

Overview of the SLM Em 3/3

Discover the robust Em 3/3 diesel locomotive, a versatile workhorse with a rich history in Swiss rail operations.

Built between 1959 and 1963 by SLM, BBC, and SAAS, this locomotive boasts a powerful 440 kW output and a maximum speed of 65 km/h. Its sturdy design features a C UIC axle configuration and a substantial weight of 48 tons, ensuring reliable performance for various industrial and shunting tasks.

The Em 3/3 has served with distinction for both the Swiss Federal Railways (SBB) and the Draisinen Sammlung Fricktal (DSF), contributing to the smooth functioning of Switzerland's railway network. With a length of 10.02 meters and a standard gauge of 1435 mm, it remains a quintessential example of its era's engineering prowess.

SLM Em 3/3 technical specifications

	Value	Imperial / US
Built by	SLM, BBC, SAAS · 1959–196341 units
Top speed	65 km/h40 mph	40 mph
Power output	440 kW590 hp	590 hp
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	C
Length	10.02 m32 ft 10 in	32 ft 10 in
Weight	48 t105,822 lb	105,822 lb