| SM48 | |
|---|---|
| SM48/TEM2 locomotive at the station Skawina in Poland | |
| Power type | Diesel-electric |
| Builder | USSR |
| Model | ТЭМ2 (TEM2) |
| Build date | 1976 |
| UIC classification | Co'Co' |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Driver diameter | 1,050 mm (41 in) |
| Length | 16.97 m (55 ft 8 in) |
| Width | 4.44 m (14 ft 7 in) |
| Locomotive weight | 116 tonnes (114 long tons; 128 short tons) |
| Fuel capacity | 4,590 litres (1,010 imp gal; 1,210 US gal) |
| Prime mover | PD1M |
| Cylinders | 6 |
| Transmission | Electric |
| Top speed | 100 km/h (62 mph) |
| Power output | 883 kW (1,184 hp) |
| Tractive effort | 372.65 kN (83,780 lbf) |
| Locomotive brakes | Matrosow |
| Train brakes | Air |
| Career | PKP |
| Class | SM48 |
| Nicknames | Walentyna Tamara |
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.
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The SM48 was originally put into service on the eastern Polish railways, where broad gauge railways were still in use. In fact, the locomotive coped well with standard gauge lines.
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.
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