Newag 6Dl

Newag 6Dl
SU42-1003
Type and origin
Power typeDiesel
BuilderNewag, Fablok
ModelFablok 6D
Rebuild date2014–2015
Number rebuilt10
Specifications
Configuration:
​
 • UICBo′Bo′
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Length:
​
 • Over buffers14,240 mm (46 ft 9 in)
Width3,130 mm (10 ft 3 in)
Axle load17.5 t (17.2 long tons; 19.3 short tons)
Loco weight70 t (69 long tons; 77 short tons)
Prime mover2 x Caterpillar C18
RPM range1,800 rpm (30 Hz)
MU workingYes
Train heatingElectric
Loco brakeKnorr-Bremse air brake
Performance figures
Maximum speed90 km/h (56 mph)
Power output563 kW (755 hp)
Tractive effort:
​
 • Starting219 kN (49,000 lbf)
Career
OperatorsPKP Intercity
NumbersSU42-1001–1010

The Newag 6Dl is a locomotive class rebuilt from the SM42 series and equipped with two diesel engines. The locomotive follows the Newag 6Dg and the Newag 18D, and is able to provide electric train heating to the carriages. This is the first Newag locomotive which has bumpers (shock absorbers) to absorb collision energy.[1]

History

In September 2013, PKP Intercity contracted Newag to convert 10 of its SM42 diesel locomotives with a twin-engine configuration and electric train heating.[2] At the end of 2013, conversion work had started, and was completed in May 2015.[3]

Table of locomotives[3]
Post-rebuild number Pre-rebuild number Built Rebuilt
SU42-1001 SM42-576 1973 12 August 2014
SU42-1002 SM42-643 1973 31 January 2015
SU42-1003 SM42-179 1969 6 March 2015
SU42-1004 SM42-574 1973 3 March 2015
SU42-1005 SM42-1008 1978 26 March 2015
SU42-1006 SM42-429 1971 3 April 2015
SU42-1007 SM42-189 1969 14 April 2015
SU42-1008 SM42-563 1973 23 April 2015
SU42-1009 SM42-604 1973 6 May 2015
SU42-1010 SM42-530 1972 12 May 2015

Specification

The modernisation involved work on an entirely new body on the existing chassis, with the use of fuel tanks, which were included in the modernisation. The locomotive uses two Caterpillar C18[4] diesel engines with a capacity of 563 kW connected to synchronous generators.[5] Each of the units included a new exhaust system, which is supported on the refuge. The engine exhaust systems with the diesel filters are DOC types.[6] Built-in power generators can operate in two configurations: the first uses the power of both motors for traction, the second uses the power of the traction to power the cabin of the train.[7]

Problems

In 2020, there have been problems with the mechanism of some locomotives, which caused the trains to be delayed, being hauled by other locomotives, or in some cases, replaced by bus transport.

References

  1. ^ "Home". Newag. Retrieved 15 December 2014.
  2. ^ "Newag zmodernizuje spalinowe lokomotywy Intercity. Pojadą w góry i nad morze" [Newag to modernize Intercity diesel locomotives. They will go to the mountains and the seaside]. Rynek Kolejowy (in Polish). 25 September 2013. Archived from the original on 2 October 2013. Retrieved 16 June 2025.
  3. ^ a b Terczyński, Paweł (September 2015). Lokomotywy typów 18D i 6Dl PKP Intercity [Locomotives of types 18D and 6Dl of PKP Intercity]. Świat Kolejei (in Polish). Łódź: Emi-Press. pp. 12–17. ISSN 1234-5962.
  4. ^ "Diesel locomotives are modernised by Newag". Inforail. 2014-04-07. Archived from the original on 2014-04-09. Retrieved 15 December 2014.
  5. ^ "Photography". Newag. Archived from the original on 2015-02-13. Retrieved 15 December 2014.
  6. ^ "Specification". Inforail. 2014-07-14. Archived from the original on 2014-07-20. Retrieved 15 December 2014.
  7. ^ "Newag 6Dl Specification". Newag. Archived from the original on 22 July 2018. Retrieved 15 December 2014.
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