PKP class SM48

SM48 is the name for class of Soviet diesel locomotives operating in Poland for PKP. The original designation was ТЭМ2 (TEM2), and was the Soviet-built version of the ALCO RSD-1.

SM48
SM48/TEM2 locomotive at the station Skawina in Poland
Type and origin
Power typeDiesel-electric
BuilderUSSR
ModelТЭМ2 (TEM2)
Build date1976
Specifications
Configuration:
​
 • UICCo′Co′
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Driver dia.1,050 mm (41.34 in)
Length16.97 m (55 ft 8 in)
Width(?)
Height4.44 m (14 ft 7 in)
Loco weight116 t (114 long tons; 128 short tons)
Fuel capacity4,590 l (1,010 imp gal; 1,210 US gal)
Prime moverPD1M
Engine type(?)
Cylinders6
Cylinder size(?)
TransmissionDiesel electric
Loco brakeMatrosow
Train brakesAir
Performance figures
Maximum speed100 km/h (62 mph)
Power output883 kW (1,184 hp)
Tractive effort372.65 kN (83,780 lbf)
Career
OperatorsPKP
ClassSM48
NicknamesWalentyna
Tamara

History

The SM48 was originally put into service on the eastern Polish railways, where 1,524 mm (5 ft) Russian broad gauge railways were still in use. In fact, the locomotive coped well with the structure gauge on standard gauge lines.

Introduction

Since 1976, PKP have bought 130 SM48 locomotives. There are also locos in service with other Polish operators: PCC Rail, PTKiGK Zabrze, Kopalnia Piasku Kotlarnia.

Starting from 2010, several locomotives undergo a modernization to ST48 standard.

Nicknames
  • Tamara - from an original USSR name "TEM2"
  • Walentyna - from a popular female name in USSR

See also
  • Polish locomotives designation


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