| Nr II | |
|---|---|
 An MLNRV II class tram (Nr II refitted with low-floor midsection) at Hakaniemi, Helsinki | |
| In service | 1983–present |
| Manufacturer | Valmet |
| Built at | Valmet airplane factory, Tampere |
| Constructed | 1983–87 |
| Entered service | 1983 |
| Refurbished | 1996–2005 2006‒2011 (addition of low-floor middle section) |
| Number built | 42 |
| Number in service | 42 |
| Fleet numbers | 71‒112 |
| Capacity | 39 seats, 100 standing (original) 49 seats, 120 standing (low-floor) |
| Operators | Helsinki City Transport (HKL) |
| Lines served | All HKL tram lines |
| Specifications | |
| Car length | 20 m (65 ft 7+3⁄8 in) original construction 26.50 m (86 ft 11+1⁄4 in) with low-floor midsection |
| Width | 2.3 m (7 ft 6+1⁄2 in) |
| Height | 3.7 m (12 ft 1+5⁄8 in) with pantograph down |
| Floor height | 0.91 m (2 ft 11+7⁄8 in) 0.39 m (1 ft 3+3⁄8 in) low-floor section |
| Maximum speed | 60 km/h (37 mph) |
| Weight | 27.2 t (26.8 long tons; 30.0 short tons) (original) 33.5 t (33.0 long tons; 36.9 short tons) (low-floor) |
| Traction system | Electric |
| Traction motors | 2 × Strömberg GHCU / H6232 |
| Power output | 2 × 130 kW (original) 2 × 156 kW (low-floor) |
| Electric system(s) | 600 V DC overhead lines |
| Current collector(s) | Pantograph |
| Braking system(s) | Track / disc / electric |
| Track gauge | 1,000 mm (3 ft 3+3⁄8 in) metre gauge |
Nr II is a class of articulated six-axle (B′2′B′ wheel arrangement), chopper-driven tram operated by Helsinki City Transport (HKL) on the Helsinki tram network. All trams of this type were built by the Finnish metal industry corporation Valmet between the years 1983 and 1987.[1][2]
Between 1996 and 2005 all trams in the class were modernised by HKL and redesignated as Nr II+ class.[1] From 2006‒2011, all trams of this class were rebuilt with a low-floor midsection and redesignated as MLNRV II.[3][4][5]
- ^ a b "HKL: Motor trams 71–112 (1983–87)" (in Finnish and English). Finnish Tramway Society. March 20, 2008. Archived from the original on December 3, 2013. Retrieved March 17, 2009.
- ^ Pölhö, Eljas; Pykälä-aho, Mia (1996). Suomen juna- ja raitiovaunukuvasto / Finnish Motive Power 1.1.1996 (in Finnish and English). Malmö: Frank Stenvalls Förlag. p. 190. ISBN 91-7266-133-X.
- ^ "HKL: Motor tram 80" (in Finnish and English). Finnish Tramway Society. May 8, 2008. Archived from the original on November 26, 2013. Retrieved June 27, 2008.
- ^ Salonen, Juha (August 24, 2007). "Nivelratikoiden väliosat tulevat Saksasta" (in Finnish). Helsingin Sanomat. Retrieved June 27, 2008.
- ^ "Nivelvaunut 71-112 (6-aks)" (in Finnish). Retrieved 2020-12-04.