GB Class 2

GB Class 2 was a series of two trams and two trailers built by Skabo Jernbanevognfabrikk for Graakalbanen of Trondheim, Norway.

GB Class 2
Class 2 in 1966
ManufacturerSkabo
Constructed1943–1947
Entered service1943
Number built2 trams
2 trailers
Number preserved1
Fleet numbers5–6 (trams)
53–54 (trailers)
Operator(s)Graakalbanen
Depot(s)Munkvoll
Line(s) servedGråkallen Line
Specifications
Car body constructionWood
Car length13.0 m (42 ft 8 in)
Width2.6 m (8 ft 6 in)
Doors4
Weight24.0 t (23.6 long tons; 26.5 short tons)
Traction systemSiemens D 503a /GBM 431
Power output240 kW (320 hp)
Electric system(s)600 V DC
Current collector(s)Pantograph
Track gauge1,000 mm (3 ft 3+3⁄8 in)

Each of the four Siemens motors had an effect of 60 kW (80 hp). There were two compartments, both with four-abreast seating, with reversible seats. Despite running in part in city streets, the trams were 2.6 m (8 ft 6 in) wide. They had seating for 40 passengers.[1]

The trams were ordered in 1941, and a single set of tram and trailer was delivered in May 1940. Not until 1947 were to additional trailers delivered. In 1950, the second motor was delivered from Siemens, and the first trailer could be rebuilt to a tram. The trams remained in service until 1973 when they were replaced by the TS Class 7 trams, following the merger of Graakalbanen into Trondheim Trafikkselskap, and the subsequent reorganizing of routes, so the Gråkallen Line was operated onwards along the Lademoen Line. No. 5 is preserved as a heritage tram at Trondheim Tramway Museum, while no. 6 was scrapped in 1983.[2]

References
  1. Kjenstad, Rune (1994). På skinner i Bymarka. Baneforlaget. pp. 64–65. ISBN 82-91448-01-9.
  2. Kjenstad, Rune (2005). Trikken i Trondheim 100 år. Tapir Akademisk Forlag. p. 359. ISBN 82-519-1895-2.


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