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Locomotive-Specs
SLM BVZ Deh 4/4 – photo 1© trainspo.com
Electric locomotive

SLM BVZ Deh 4/4

Built by SAAS, SIG, SLM

Top speed
65 km/h
40 mph
Weight
49 t
108,026 lb
Length
16.9 m
55 ft 5 in
Track gauge
1,000 mm
Metre gauge
Years built
1975–1976
4 units
Axle arrangement
Bo'zz Bo'zz

Overview of the SLM BVZ Deh 4/4

Discover the BVZ Deh 4/4, a remarkable electric locomotive that embodies Swiss railway engineering excellence.

Built between 1975 and 1976, this robust locomotive was a key part of the Brig-Visp-Zermatt-Bahn (BVZ) and later served the Matterhorn-Gotthard-Bahn (MGB). It's designed for the unique challenges of narrow-gauge railways, boasting a 1000 mm track gauge.

With a top speed of 65 km/h and weighing 49 tonnes, the BVZ Deh 4/4 is equipped with an 11 kV AC 16.7 Hz electric system, ensuring reliable performance on steep inclines and winding mountain routes.

Its UIC axle classification, Bo'zz Bo'zz, highlights its articulated bogies, making it exceptionally agile on tight curves. This locomotive is a testament to durable design and operational versatility in alpine environments.

SLM BVZ Deh 4/4 technical specifications

Value
Built bySAAS, SIG, SLM · 1975–19764 units
Top speed65 km/h40 mph
Electric systems
  • 11 kV AC 16.7 Hz
Track gauge1,000 mmMetre gauge3 ft 3⅜ in
UIC axle arrangementBo'zz Bo'zz
Length16.9 m55 ft 5 in
Weight49 t108,026 lb

Operators of the SLM BVZ Deh 4/4

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

OperatorClassCountry
Brig-Visp-Zermatt-BahnBVZ Deh 4/4Switzerland
Matterhorn-Gotthard-BahnMGB Deh 4/4Switzerland

SLM BVZ Deh 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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