SWS SBB De 4/4

Built by SWS, SIG, SAAS, MFO

Top speed

85 km/h

53 mph

Power output

800 kW

1,073 hp

Weight

59 t

130,073 lb

Length

15.2 m

49 ft 10 in

Track gauge

1,435 mm

Standard gauge

Years built

1928

Overview of the SWS SBB De 4/4

Discover the SBB De 4/4, a robust electric locomotive with a rich history from Switzerland.

Built in 1928 by SWS, SIG, SAAS, and MFO, this locomotive served the Swiss Federal Railways with distinction.

Refurbished between 1966 and 1971, the SBB De 4/4 boasts a power output of 800 kW and a top speed of 85 km/h, making it a reliable workhorse on the 1435 mm standard gauge.

With a length of 15.2 meters and a weight of 59 tons, its Bo'Bo' wheel arrangement ensured excellent traction for its era.

Explore more about this iconic Swiss locomotive and its contributions to rail transport.

SWS SBB De 4/4 technical specifications

	Value	Imperial / US
Series	SBB De 4/4
Built by	SWS, SIG, SAAS, MFO · 1928
Refurbished	1966 - 1971
Top speed	85 km/h53 mph	53 mph
Power output	800 kW1,073 hp	1,073 hp
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	15.2 m49 ft 10 in	49 ft 10 in
Weight	59 t130,073 lb	130,073 lb