© trainspo.comSWP WB BDe 4/4
Built by BBC, Schindler, SIG, SWP
Overview of the SWP WB BDe 4/4
Discover the WB BDe 4/4, an electric multiple unit that served the Waldenburgerbahn in Switzerland.
Built between 1986 and 1993 by BBC, Schindler, SIG, and SWP, this 750 mm gauge unit is a testament to railway engineering.
With a top speed of 75 km/h and a length of 18.2 meters, the WB BDe 4/4, featuring UIC classification B'B', was tailored for the specific demands of the Swiss network.
Powered by 1.5 kV DC electric systems, this 28-tonne unit represents a significant piece of narrow-gauge railway history.
Its robust construction and reliability made it a crucial component for passenger transport on the Waldenburgerbahn line.
SWP WB BDe 4/4 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | BBC, Schindler, SIG, SWP · 1986–1993 | |
| Top speed | 75 km/h47 mph | |
| Electric systems |
| |
| Track gauge | 750 mmNarrow gauge2 ft 5½ in | |
| UIC axle arrangement | B'B' | |
| Car length | 18.2 m59 ft 9 in | |
| Weight | 28 t61,729 lb |
Operators of the SWP WB BDe 4/4
Railway companies that have operated the WB BDe 4/4, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Waldenburgerbahn | WB BDe 4/4 | Switzerland |
SWP WB BDe 4/4 photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
More electric multiple units from SWP

SWP
RBDe 4/4
Electric multiple unit
1982–1992 · 125 km/h

SWP
SAD BDe 4/8
Electric multiple unit
65 km/h · 400 kW

SWP
FLP ABe 4/6 - SSIF ABe 6/6
Electric multiple unit
1968 · 60 km/h

SWP
BDeh 4/4
Electric multiple unit
1964–1980 · 75 km/h

SWP
FART ABDe 6/6
Electric multiple unit
1963 · 60 km/h

SWP
ABe 8/8
Electric multiple unit
1959 · 60 km/h

SWP
TMR BDeh 4/4
Electric multiple unit
1957–1964 · 50 km/h

SWP
CEV BDeh 2/4
Electric multiple unit
1970
Similar electric multiple units from other manufacturers

ABB
IM LRV
Electric multiple unit
80 km/h

Alstom
MP 89 CA
Electric multiple unit
80 km/h

Hyundai Rotem
AM Hyundai Rotem
Electric multiple unit
80 km/h

Siemens
Bursaray B80
Electric multiple unit
70 km/h

CAF
5000.2
Electric multiple unit
1982–1986 · 70 km/h

Mitsubishi
YNT 1000
Electric multiple unit
1988–1989 · 60 km/h

Jeumont-Schneider
SNCF Z 4100
Electric multiple unit
90 km/h · 560 kW

Mitsubishi
Yurikamome 7000
Electric multiple unit
60 km/h