Finnish Railway Sr1
Finland 1971 112 produced
The first series of Finnish electric locomotives was the Sr1, the mechanical part of which was manufactured in the Novocherkassk Electric Locomotive Factory. Including the prototype, 111 locomotives were delivered from the Soviet Union and completed with their own electrics in Finland. In 1993 another locomotive was assembled from existing spare parts. They are used in front of passenger and freight trains and at times they were converted to a speed of 160 km/h. The first locomotives were retired in 2022.
Technical data
General
- Built
- 1971-1984, 1993
- Manufacturers
- mechanical part: Novocherkassk, electrical part: Oy Strömberg
- Wheel arrangement
- B-B
- Gauge
- 1,520 mm (Russian broad gauge)
Dimensions and weights
- Length
- 18.96 m
- Wheelbase
- 13.14 m
- Service mass
- 84 t
- Adhesion mass
- 84 t
- Axle load
- 21 t
Power
- Power source
- electric - AC
- Hourly power
- 3,280 kW (4,460 PS)
- Continuous power
- 3,100 kW (4,215 PS)
- Top speed
- 140 km/h
- Starting effort
- 280.0 kN
Calculated values
- Factor of adhesion
- 1 : 2.94
- Power-to-weight ratio
- 39.0 kW/t
- Adhesive weight/Total
- 1 : 1.00
