SLM BDeh 4/4

Built by SLM, SWP, BBC

Top speed

75 km/h

47 mph

Power output

736 kW

987 hp

Weight

48 t

105,822 lb

Track gauge

1,000 mm

Metre gauge

Years built

1964–1980

8 units

Axle arrangement

Bo'Bo'

Overview of the SLM BDeh 4/4

Discover the BDeh 4/4, a classic Swiss electric multiple unit from Zentralbahn.

Built between 1964 and 1980 by SLM, SWP, and BBC, this robust train is known for its reliability and efficiency on narrow-gauge railways.

With a top speed of 75 km/h and seating for 40 passengers, the BDeh 4/4 is perfect for regional passenger transport, especially through the scenic Swiss Alps.

Its 1000 mm track gauge and powerful 15 kV AC 16.7 Hz electric systems provide a smooth and comfortable travel experience, making it a cherished part of the Swiss railway landscape.

This iconic locomotive, featuring a Bo'Bo' axle configuration, embodies dependability and comfort in Swiss rail operations.

SLM BDeh 4/4 technical specifications

	Value	Imperial / US
Built by	SLM, SWP, BBC · 1964–19808 units
Top speed	75 km/h47 mph	47 mph
Power output	736 kW987 hp	987 hp
Electric systems	15 kV AC 16.7 Hz
Track gauge	1,000 mmMetre gauge3 ft 3⅜ in	3 ft 3⅜ in
UIC axle arrangement	Bo'Bo'
Capacity	40 seats
Car length	17.84 m58 ft 6 in	58 ft 6 in
Weight	48 t105,822 lb	105,822 lb