© trainspo.comSLM Ge 4/6
Built by SLM
Overview of the SLM Ge 4/6
Discover the historic Ge 4/6 electric locomotive, a true icon of Swiss railway engineering.
Built by SLM between 1912 and 1918, this robust locomotive served the Rhaetian Railway (RhB) faithfully.
With a top speed of 50 km/h and a 1000 mm gauge, the RhB Ge 4/6 is a testament to early 20th-century electric traction, operating on 11 kV AC 16.7 Hz power.
Explore its powerful 1'D1' UIC axle arrangement and appreciate its lasting legacy in railway history.
SLM Ge 4/6 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | SLM · 1912–19188 units | |
| Top speed | 50 km/h31 mph | |
| Electric systems |
| |
| Track gauge | 1,000 mmMetre gauge3 ft 3⅜ in | |
| UIC axle arrangement | 1'D1' |
Operators of the SLM Ge 4/6
Railway companies that have operated the Ge 4/6, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Rhaetian Railway | RhB Ge 4/6 | Switzerland |
SLM Ge 4/6 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 SLM

SLM
RhB Ge 2/4
Electric locomotive
1912–1913 · 45 km/h

SLM
LO He 2/2
Electric locomotive
32 km/h

SLM
Bernina Railway Ge 4/4
Electric locomotive
1916

SLM
EBT Ee 3/3
Electric locomotive
75 km/h · 600 kW

SLM
RhB Ge 6/6 I
Electric locomotive
1921–1929 · 55 km/h

SLM
SOB Be 4/4
Electric locomotive
80 km/h · 1,180 kW

SLM
BB Ge 4/4 82/182
Electric locomotive
1927 · 45 km/h

SLM
Ce 6/8 III
Electric locomotive
1926–1927 · 75 km/h
Similar electric locomotives from other manufacturers

Berninabahn
RhB Ge 2/2
Electric locomotive
1911 · 45 km/h

EGA
RhB De 2/2
Electric locomotive
45 km/h

MFO
AB Te 2/2
Electric locomotive
45 km/h · 96 kW

AEG
EU40
Electric locomotive
1913 · 40 km/h

Hitachi
ED16
Electric locomotive
65 km/h

ASEA
EuskoTren 11-14
Electric locomotive
70 km/h · 565 kW

BBC
OJB Ge 4/4
Electric locomotive
1917 · 35 km/h

Carminati & Toselli
FGC L 29
Electric locomotive
1922 · 50 km/h