Skip to content
Locomotive-Specs
Siemens SJ O (Oa/Ob) – photo 1© trainspo.com
Electric locomotive

Siemens SJ O (Oa/Ob)

Built by ASEA, Siemens

Top speed
60 km/h
37 mph
Power output
1,200 kW
1,609 hp
Length
18.62 m
61 ft 1 in
Track gauge
1,435 mm
Standard gauge
Years built
1914–1915
13 units

Overview of the Siemens SJ O (Oa/Ob)

Discover the powerful SJ O (Oa/Ob) electric locomotive, a true workhorse of Swedish railways.

This impressive electric locomotive boasts a rich history, serving both Bergslagernas Järnvägar and Sweden Railways.

Built by ASEA and Siemens between 1914 and 1915, the SJ O type showcases robust engineering designed for demanding service.

With a top speed of 60 km/h and a substantial power output of 1200 kW, it was capable of handling significant loads across its 1435 mm gauge tracks.

Measuring 18.62 meters in length, this locomotive was a formidable presence on the rail network, operating on 15 kV AC 16.7 Hz electric systems.

Explore the specifications and heritage of this classic Swedish electric locomotive, a testament to early 20th-century railway technology.

Siemens SJ O (Oa/Ob) technical specifications

Value
Built byASEA, Siemens · 1914–191513 units
Top speed60 km/h37 mph
Power output1,200 kW1,609 hp
Electric systems
  • 15 kV AC 16.7 Hz
Track gauge1,435 mmStandard gauge4 ft 8½ in
Length18.62 m61 ft 1 in
Source of the data: en.wikipedia.orgView this model on trainspo.com Spotted an error? Let us know

Operators of the Siemens SJ O (Oa/Ob)

Railway companies that have operated the SJ O (Oa/Ob), with the class designation used by each of them.

OperatorClassCountry
Bergslagernas JärnvägarBJ OSweden
Sweden RailwaysSJ OSweden

Siemens SJ O (Oa/Ob) photos

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

More electric locomotives from Siemens

All Siemens models

Similar electric locomotives from other manufacturers

All electric locomotives
All Siemens models All electric locomotives