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GB Class 1
Class 1 in 1927
Manufacturer	Hannoversche Waggonfabrik
Constructed	1924
Entered service	1924
Scrapped	1969, 1985
Number built	4 trams 2 trailers
Number preserved	1 tram
Number scrapped	3 trams, both trailers
Fleet numbers	1–4 (trams) 51–52 (trailers)
Operators	Graakalbanen
Depots	Munkvoll
Lines served	Gråkallen Line
Specifications
Car body construction	Wood
Car length	13.0 m (42 ft 7+3⁄4 in)
Width	2.6 m (8 ft 6+3⁄8 in)
Doors	4
Weight	29.0 t (28.5 long tons; 32.0 short tons)
Traction system	Siemens DY 711 a
Power output	200 kW (270 hp)
Electric system(s)	600 V DC
Current collector(s)	Pantograph
Track gauge	1,000 mm (3 ft 3+3⁄8 in) metre gauge

GB Class 1 was a series of four trams and two trailers built by Hannoversche Waggonfabrik for Graakalbanen of Trondheim, Norway.

Each of the four Siemens motors had an effect of 50 kW (67 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.

The trams were taken out of service in 1968 and 1969. Two of the trams and both the trailers were scrapped the same year. No. 4 was kept as a working car until it was scrapped in 1985. No. 3 is preserved as a heritage tram at Trondheim Tramway Museum.

References

1. Kjenstad, Rune (1994). På skinner i Bymarka. Baneforlaget. pp. 36–37. ISBN 82-91448-01-9.
2. Kjenstad, Rune (2005). Trikken i Trondheim 100 år. Tapir Akademisk Forlag. pp. 358–59. ISBN 82-519-1895-2.

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