PKP class SU46
Performance figures | |
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Maximum speed | 120 km/h (75 mph) |
Power output | 1,655 kW (2,220 hp) |
Tractive effort | 326 kN (73,000 lbf) |
Career | |
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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.
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
- Polish locomotives designation
References
External links
- Rail Service
- Chabówka Rail Museum
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- List of PKP locomotives and multiple units
- PKP classification system
- Warsaw Metro rolling stock
Standard gauge | |
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Narrow gauge |
Standard gauge* | |
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Standard gauge** |
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Narrow gauge |
Electric | |
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Diesel |
- Series withdrawn from service shown in italics.
- * Own classes - steam locomotive classes built specially for PKP order in Poland or abroad
- ** Foreign origin class
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