NSB Class 92
| NSB Class 92 | |
|---|---|
 |
|
| In service | 1984– |
| Manufacturer | Duewag |
| Refurbishment | 2005–06 |
| Number built | 15 units |
| Formation | 2 cars |
| Operator(s) | Norwegian State Railways |
| Line(s) served |
Trøndelag Commuter Rail Mittnabotåget |
| Specifications | |
| Train length | 49.45 m (162 ft 3 in) (two cars) |
| Maximum speed | 140 km/h (87 mph) |
| Weight | 58.3 t (57.4 long tons; 64.3 short tons) (motor car) 38.0 t (37.4 long tons; 41.9 short tons) (steering car) |
| Prime mover(s) | 714 kW (957 hp) |
| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) |
NSB Class 92 (Norwegian: NSB type 92) is a class of 15 diesel multiple units built by Duewag for the Norwegian State Railways (NSB). The two-car trains were delivered in 1984 and 1985, and put into service on the Røros Line and southern part of the Nordland Line—which later became the Trøndelag Commuter Rail. Later, they also entered service on the Meråker Line as part of the international Mittnabotåget service. Previously, the trains were also used on the Solør Line, further north on the Nordland Line and on the now electrified Arendal Line. In 2000, a unit was involved in the Åsta accident, which killed 19 people. The trains were refurbished in 2005 and 2006, and NSB plans to replace them by around 2019. Each twin unit seats 168 people, is 49.45 meters (162.2 ft) long and weighs 92 tonnes (91 long tons; 101 short tons). The front car is powered with two electric motors, giving a power output of 714 kilowatts (957 hp) and a maximum speed of 140 kilometers per hour (87 mph).
By the 1980s, the 40-year-old Class 86 and Class 91 trains were in need of replacement. NSB described them as unable to satisfy demands in terms of economy, comfort or speed. Class 92 was bought to take over all passenger transport on the Røros Line and on the Nordland Line south of Grong. The 15 two-car units cost NOK 200 million and were built by Duewag in Germany.
When introduced, the schedules were also changed to cut a number of the smallest intermediate stops. Class 92 has considerably better curve speed, and is able to operate at least at 80 km/h (50 mph) through all curves on the main lines and on the steepest sections. It also features better acceleration and deceleration than its predecessors. With the change of schedules from 2 June 1985, this resulted in travel time between Røros and Hamar being reduced by one hour, a reduction of 25 minutes between Trondheim and Steinkjer, and a reduction of 50 minutes between Trondheim and Grong. At the same time, the schedules were changed for optimal correspondence, such as with the night train in Trondheim and departures from Trondheim Airport, Værnes. The Røros Line also received a single daily through train from Røros to Oslo.
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