BBC Deh 4/4 II

Built by BBC, SLM

Top speed

60 km/h

37 mph

Power output

1,032 kW

1,384 hp

Weight

49.5 t

109,129 lb

Length

15.5 m

50 ft 10 in

Track gauge

1,000 mm

Metre gauge

Years built

1979–1984

6 units

Overview of the BBC Deh 4/4 II

Explore the powerful Deh 4/4 II, a versatile electric locomotive that has been a cornerstone of Swiss railways.

Built by BBC and SLM between 1979 and 1984, this robust machine boasts a 1000 mm gauge and an impressive 1032 kW power output, making it ideal for challenging mountain routes.

With a top speed of 60 km/h and a formidable tractive effort of 118 kN, the Deh 4/4 II efficiently handles demanding gradients.

Having served with the Furka Oberalp Bahn (FO), it now continues its service as a vital part of the Matterhorn-Gotthard-Bahn (MGB).

Measuring 15.5 meters in length, 2.68 meters in width, and 3.88 meters in height, and weighing 49.5 tons, this electric locomotive is a testament to reliable Swiss engineering.

BBC Deh 4/4 II technical specifications

	Value	Imperial / US
Built by	BBC, SLM · 1979–19846 units
Top speed	60 km/h37 mph	37 mph
Power output	1,032 kW1,384 hp	1,384 hp
Tractive effort	118 kN26,527 lbf	26,527 lbf
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'zz Bo'zz
Length	15.5 m50 ft 10 in	50 ft 10 in
Width	2.68 m8 ft 10 in	8 ft 10 in
Height	3.88 m12 ft 9 in	12 ft 9 in
Weight	49.5 t109,129 lb	109,129 lb