PKP class SU46

Last updated
PKP SU46
SU46-054 DSC 6649 Poznan Franowo.jpg
SU46-054 locomotive
Type and origin
Power typeDiesel
Builder Cegielski
Serial number303D-268 through 303D-324 [1] and ? (SU46-053, SU46-054)
Build date1974–1978, 1985
Total produced54
Specifications
Configuration:
   UIC Co′Co′
Gauge 1,435 mm (4 ft 8+12 in)
Driver dia.1,100 mm (43.3 in)
Length18,990 mm (62 ft 4 in)
Width3,034 mm (9 ft 11 in)
Height4,302 mm (14 ft 1 in)
Axle load 17.5 tonnes (17.2 long tons; 19.3 short tons)
Loco weight105 tonnes (103 long tons; 116 short tons)
Fuel typeDiesel
Fuel capacity3,200 litres (700 imp gal; 850 US gal)
Engine typeW2112SSF
Cylinders 12
Cylinder size 210 mm (8 in)
TransmissionElectric
Loco brake Oerlikon
Train brakes Air
Performance figures
Maximum speed120 km/h (75 mph)
Power output1,655 kW (2,220 hp)
Tractive effort 326 kN (73,000 lbf)
Career
Operators PKP
Class SU46
Current owner PKP Cargo

SU46 (new symbol [2] 5 630) is the name for a diesel universal purpose locomotive working for Polish PKP. Cegielski has produced 52 machines in years 1974-1977 and 2 modified in 1985.

Contents

History

The 302D (class SP47) and 303D type (class SU46) locomotives are heavily improved version of 301Db type (class SP/SU45) diesel locomotive. Both of them has similar shape, but SP47 is a bit longer because of its 2116SSF diesel engine. SU46 uses a similar diesel engine as SP/SU45, but traction motors are totally different (this was enforced by usage of 3 kV electrical heating). Construction of SU46 was stopped in 1977, most likely due to communist government decisions. In 1985 additional two units of this class were built (numbers 053 and 054). They are slightly modified version of previous locomotives.

Operation

Order of this locomotive was connected with increasing in 1970s demand on freight and passenger services on non-electrified railway lines. SU46 has a very universal characteristic, so it was possible to use them in passenger service and freight.

Today they are used in service on west Polish border (passenger and goods) and in Warmia and Masuria (goods train). Previously they were used also in passenger service on Hel Peninsula.

See also

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References

  1. Information gathered by community of Rail Phototrans.eu Transport Database and Photogallery
  2. EU document 2007/756/WE