SLM Ge 4/4 II

Built by BBC, SLM

Top speed

90 km/h

56 mph

Power output

1,650 kW

2,213 hp

Weight

50 t

110,231 lb

Length

12.96 m

42 ft 6 in

Track gauge

1,000 mm

Metre gauge

Years built

1973–1984

23 units

Overview of the SLM Ge 4/4 II

Discover the robust and versatile Ge 4/4 II electric locomotive, a cornerstone of the Rhaetian Railway in Switzerland.

Built by BBC and SLM between 1973 and 1984, this iconic locomotive is renowned for its power and reliability on challenging mountain routes.

Boasting a 1000 mm gauge and a powerful 1650 kW output, the Ge 4/4 II offers an impressive tractive effort of 179 kN, ensuring efficient operation across steep gradients.

With its Bo'Bo' wheel arrangement, this 12.96-meter-long, 50-ton machine provides excellent traction and stability, reaching speeds of up to 90 km/h.

The Ge 4/4 II stands as a testament to Swiss engineering, combining performance, durability, and a significant role in the country's historic rail network.

SLM Ge 4/4 II technical specifications

	Value	Imperial / US
Series	GE 4/4 II
Built by	BBC, SLM · 1973–198423 units
Top speed	90 km/h56 mph	56 mph
Power output	1,650 kW2,213 hp	2,213 hp
Tractive effort	179 kN40,241 lbf	40,241 lbf
Track gauge	1,000 mmMetre gauge3 ft 3⅜ in	3 ft 3⅜ in
UIC axle arrangement	Bo'Bo'
Length	12.96 m42 ft 6 in	42 ft 6 in
Width	2.65 m8 ft 8 in	8 ft 8 in
Weight	50 t110,231 lb	110,231 lb