BBC FO Deh 4/4 I

Built by BBC, SIG, SLM

Top speed

60 km/h

37 mph

Power output

1,032 kW

1,384 hp

Weight

48.3 t

106,483 lb

Length

16.9 m

55 ft 5 in

Track gauge

1,000 mm

Metre gauge

Years built

1972

5 units

Overview of the BBC FO Deh 4/4 I

Discover the robust FO Deh 4/4 I electric locomotive, a powerhouse designed for narrow-gauge mountain railways in Switzerland. Built in 1972 by BBC, SIG, and SLM, these locomotives are known for their durability and dependable performance.

Featuring a Bo'zz Bo'zz axle configuration and a 1000 mm gauge, the FO Deh 4/4 I ensures excellent traction and agility, crucial for challenging terrains. With a top speed of 60 km/h and an impressive power output of 1032 kW, it's perfectly suited for steep gradients and demanding operational conditions.

This 16.9-meter-long, 48.3-tonne locomotive operates on 11 kV AC 16.7 Hz electric systems. Originally serving the Furka Oberalp Bahn, it now continues its legacy with the Matterhorn-Gotthard-Bahn (MGB), solidifying its place in Swiss railway history as a reliable workhorse.

BBC FO Deh 4/4 I technical specifications

	Value	Imperial / US
Built by	BBC, SIG, SLM · 19725 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	11 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	16.9 m55 ft 5 in	55 ft 5 in
Weight	48.3 t106,483 lb	106,483 lb