© trainspo.comValmet Nr I
Built by Valmet
Overview of the Valmet Nr I
Discover the historic Nr I tram, a significant piece of Finnish public transport history.
This model, also known as the HKL NRV I, served the vibrant city of Helsinki.
Built by Valmet between 1973 and 1975, it represents a notable era in urban transit.
With a 1000 mm gauge and a top speed of 60 km/h, the Nr I offered efficient city travel.
Its dimensions, 2.3 meters wide and 3.7 meters high, were tailored for urban environments.
This 28-ton tram operated on a 600 V DC electric system, delivering 260 kW of power.
The Nr I tram stands as a testament to Finnish engineering and the evolution of tramways.
Explore the story of this iconic vehicle and its role in shaping Helsinki's transport landscape.
Valmet Nr I technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | Valmet · 1973–197540 units | |
| Top speed | 60 km/h37 mph | |
| Electric systems |
| |
| Track gauge | 1,000 mmMetre gauge3 ft 3⅜ in | |
| Width | 2.3 m7 ft 7 in | |
| Height | 3.7 m12 ft 2 in | |
| Weight | 28 t61,729 lb |
Operators of the Valmet Nr I
Railway companies that have operated the Nr I, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Helsinki City Transport | HKL NRV I | Finland |
Other Valmet models

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Nr II
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1983–1987 · 60 km/h

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1977–1984 · 100 km/h

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1975–1981 · 120 km/h

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Diesel locomotive
1962–1963 · 85 km/h

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VR Sm1
Electric multiple unit
1968–1973 · 120 km/h

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Dv12
Diesel locomotive
1963–1984 · 125 km/h

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Dr12
Diesel locomotive
1959–1963 · 120 km/h

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VR Dr13
Diesel locomotive
1962–1965 · 140 km/h







