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Locomotive-Specs
SIG SBB De 4/4 – photo 1© trainspo.com
Electric locomotive

SIG 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 SIG SBB De 4/4

Explore the SBB De 4/4, a classic electric locomotive with a rich history in Swiss rail transport.

This robust machine, built by SWS, SIG, SAAS, and MFO in 1928, served the Swiss Federal Railways (SBB) diligently.

Refurbished between 1966 and 1971, the SBB De 4/4 maintained its operational excellence.

With a top speed of 85 km/h, a power output of 800 kW, and a weight of 59 tons, it was a reliable workhorse.

Its Bo'Bo' UIC axle arrangement and a length of 15.2 meters showcase its functional design for standard gauge railways.

Discover more about this significant piece of railway heritage.

SIG SBB De 4/4 technical specifications

Value
SeriesSBB De 4/4
Built bySWS, SIG, SAAS, MFO · 1928
Refurbished1966 - 1971
Top speed85 km/h53 mph
Power output800 kW1,073 hp
Track gauge1,435 mmStandard gauge4 ft 8½ in
UIC axle arrangementBo'Bo'
Length15.2 m49 ft 10 in
Weight59 t130,073 lb

Operators of the SIG SBB De 4/4

Railway companies that have operated the SBB De 4/4, with the class designation used by each of them.

OperatorClassCountry
Swiss Federal RailwaysSBB De 4/4 1660Switzerland

SIG SBB De 4/4 photos

Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.

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