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Soviet Railways series С (1929)
Soviet Union | 1929 | 959 produced
C<sup>M</sup>027 in the Russian Railway Museum in Saint Petersburg
CM027 in the Russian Railway Museum in Saint Petersburg
George Shuklin

From 1929 onwards, the Russian Northern Railway (Severnaya Zheleznaya Doroga) had multiple units manufactured for suburban traffic, which got the designation С (S). This letter stood for the railway administration mentioned. The sets normally consisted of three cars, each of which had a motor car at one end, a trailer in the middle and either a control car or another trailer at the other end.

The oldest vehicles had received electrical equipment from Metropolitan-Vickers until they switched to domestic equipment. Initially, operation only took place under 1,500 volts direct current, but when the first lines were converted to 3,000 volts, vehicles were built that could operate under both voltages. This was achieved by connecting the traction motors in series or parallel. After most of the lines had been converted, the last series were only designed for 3,000 volts.

Until 1958, a total of almost 1,000 three-car sets had been created. The vehicles, which were only built to operate under 1,500 volts, were subsequently converted to 3,000 volts. Some motor cars were used individually as locomotives and pulled cars with a total weight of up to 300 tonnes. In the 1960s, two sets were converted into battery-powered vehicles that could be recharged while running under the overhead line and were used in the Baltics. Most were retired in the 1980s, but some were in use in Yaroslavl until 1997.

VariantCДCPCP3
General
Built1929-1958
ManufacturerMytischtschi, Dynamo Moskau, Riga
Axle configB-B+2-2+2-2 
Gauge4 ft 11 13/16 in (Russian broad gauge)
Dimensions and Weights
Length193 ft 11 15/16 in
Empty weight297,403 lbs307,544 lbs306,442 lbs
Axle load32,628 lbs33,951 lbs34,172 lbs
Power
Power sourceelectric - DC
Electric system1,500 V3,000 V, 1,500 V3,000 V
Hourly power892 hp (665 kW)912 hp (680 kW)
Top speed53 mph
Power Plant
Boiler
Calculated Values
EMU
suburban
last changed: 09/2023
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