Matterhorn Gotthard Bahn ABDeh 4/8

The Matterhorn Gotthard Bahn ABDeh 4/8, also known as Komet, is a two member class of metre gauge electric trains operated by the Matterhorn Gotthard Bahn (MGB), in the Canton of Valais, Switzerland.

Matterhorn Gotthard Bahn ABDeh 4/8
ABDeh 4/8 2022 and ABDeh 4/10 2011 at Brig, 2010.
ManufacturerStadler Rail AG, Bussnang
Family nameStadler GTW
Constructed2007–2008
Number built2
Number in service2
Fleet numbers2021–2022
CapacityFirst class: 30 seats
Second class: 114 seats
Operator(s)Matterhorn Gotthard Bahn
Specifications
Train length56,600 mm (185 ft 8 in)
Width2,650 mm (8 ft 8 in)
Height3,950 mm (13 ft 0 in)
Maximum speedAdhesion: 80 km/h (50 mph)
Rack rail: 40 km/h (25 mph)
Weight77 tonnes (169,800 lb)
Traction systemADtranz
Power output4 x 325 kW (440 hp)
Electric system(s)11 kV 16.7 Hz
Current collection methodOverhead
UIC classificationAdhesion: 2'Bo'Bo'2'
Rack rail: 2'zz'zz'2'
Track gauge1,000 mm (3 ft 3 3⁄8 in) metre gauge

The class is so named under the Swiss locomotive and railcar classification system. According to that system, ABDeh 4/8 denotes an electric railcar with first class, second class and baggage compartments, and a total of eight axles, four of which are drive axles fitted with cogwheels for rack rail operation.

Technical details

The ABDeh 4/8 class is part of the Stadler GTW family of articulated railcars. It has an aluminium frame, semi panoramic low floor bodies, and air suspension. The first class compartment has 30 seats, and there are 114 second class seats.

Each of the powered bogies fitted to the class is equipped with two traction motors, and with Abt rack system pinion wheels.

Both members of the class can be marshalled as part of a longer train comprising up to three similar trains, including ABDeh 4/10 2011 class trains.

Service history

The class is used for regional train services on the Brig–Visp–Zermatt line.

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See also

References
    • Stolz, Théo (2007). Taschenlexikon Triebfahrzeuge der Schweiz: die Lokomotiven und Triebwagen der Schweizer Bahnen des öffentlichen Verkehrs am 1. Januar 2006 (in German). Lucerne: Minirex. ISBN 3-907014-31-6.

    This article is based upon a translation of the Dutch-language version as at December 2011.

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