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VR Class Sm2
An Sm2 unit at Helsinki.
Refurbished Sm2 interior
Manufacturer
Valmet, Strömberg
Built at
Tampere, Finland
Constructed
1975–1981
Entered service
1975–
Refurbished
2002–2011; 2018–2024
Number built
50
Fleet numbers
6051+6251 – 6100+6300
Capacity
200 passengers
Operators
VR Group
Lines served
VR commuter rail lines M, G, O, R & Z
Specifications
Train length
53,250 mm (174 ft 8 in)
Car length
26,625 mm (87 ft 4.2 in)
Maximum speed
120 km/h (75 mph)
Weight
46.5 t (45.8 long tons; 51.3 short tons) (Sm2) 76.0 t (74.8 long tons; 83.8 short tons) (Sm2+Eioc)
Axle load
15.9 t (15.6 long tons; 17.5 short tons)
Prime mover(s)
Strömberg GHAU H7226
Power output
4x155 kW (208 hp)
Safety system(s)
ATP-VR/RHK
Multiple working
Sm1
Track gauge
1,524 mm (5 ft)
The Sm2 is a class of electric multiple units in use by VR in its commuter rail traffic in southern Finland. Fifty Sm2 units were built between 1975 and 1981 by Valmet in Tampere. Since the withdrawal of the older Sm1 units, the Sm2 units are the oldest multiple units in use in Finland.
All Sm2 units were completely renovated between 2002 and 2011. Only the bodywork and the technics remained mostly untouched. Many of the changes are visible to the passengers, including a different type of seat and modern toilets. Between 2018 and 2024, all remaining operational units were refreshed, with new moquette and a new livery consisting of a white bodyside with a green lower band, except for units 90 and 91, which remains in their vintage red livery.
Close-up of the number plate of Eioc trailer No. 6256, seen at Kotka Port in June 2022. This unit, like most nowadays, carries the newer white livery with green lower bodyside band.
The Sm2 is a class of electric multiple units in use by VR in its commuter rail traffic in southern Finland. Fifty Sm2 units were built between 1975 and...
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6050 for the Sm1 car and 6201 and 6250 for the Eioc driving trailer. VRClassSm2 Eonsuu, Honkanen & Pölhö 1995, p. 93. Eonsuu, Honkanen & Pölhö 1995,...
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designated as Class Sm5. The previously used ClassSm2 and Class Sm4 trainsets have since served on VR-operated longer-distance commuter routes. VR is looking...
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VR commuter rail (Finnish: VR:n lähiliikenne, Swedish: VR:s närtrafik) is a Finnish commuter rail system operated by VR – the national railway operator...
System.Runtime.Intrinsics.X86; using System.Text; namespace X86CPUID { class CPUBrandString { public static void Main(string[] args) { if (!X86Base.IsSupported)...
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