NSB Di 7

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NSB Di 7

Power type	Diesel-hydraulic
Designer	General Motors Electro-Motive Division
Builder	NOHAB
Build date	1969
UIC classification	Bo'Bo'
Gauge	1,435 mm (4 ft 8½ in)
Wheel diameter	1,030 mm
Length	15,400 mm
Locomotive weight	76 t
Engine type	General Motors 12-645E
Cylinders	12
Cylinder size	127 l
Top speed	100 km/h
Career	Norges Statsbaner
Number in class	1
Number	7 634
Locale	Narvik
Disposition	in service

NSB Di 7 634 is a diesel-hydraulic locomotive used by Norges Statsbaner (NSB) from 1993 until 1996. The loco was an SJ T44 bought from Statens Järnvägar and used on Ofotbanen when the Di 2-locomotives where not powerful enough any more. The unit was sold to Malmtrafikk when it took over freight operations on Ofotbanen in 1996, where it became MTAS 6, along with a T44 numbered MTAS 5. While in service with NSB it had the yellow and red livery typical for shunters.

The locomotive was built by NOHAB, based on a design from General Motors Electro-Motive Division. The 12 cylinder 127 liter General Motors engine produced 1,235 kW at 835 RPM, and had a traction effort of 220 kN.

[edit] External links

• Norsk Jernbaneklubb entry on Di 7 (Norwegian)
• Jernbane.net entry on Di 7 (Norwegian)
• Järnväg.net entry on T44 (Swedish)

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