Newag 6Dg

Newag 6Dg is a diesel powered shunter locomotive, modernised by Newag from the locomotive SM42 series by Fablok. The locomotive has a Caterpillar C27 diesel engine, which reduces emissions in accordance with the standards required since 2009. It is equipped with a microprocessor control system and remote control. Compared to the SM42 series, the locomotive appears completely different.[3][4]

Newag 6Dg
Type and origin
BuilderNewag
Build date2007–present
Total produced164
Specifications
Configuration:
​
 • UICBo'Bo'
Gauge1,435 mm (standard-gauge)
Wheel diameter1100 mm
Minimum curve50 or 80 m
Length:
​
 • Over couplers14,240 mm
Width3150 mm
Height4323 mm
Axle load17.5 t
Loco weight70 t (69 long tons; 77 short tons)
Fuel capacity2350 or 2815 l
Fuel consumption198 g/kWh
Engine RPM:
 • Maximum RPM		1800 min⁻¹
Engine typeCaterpillar C27
GeneratorEMIT Ghp 400 M4C
Traction motorsLsa-430
Performance figures
Maximum speed90 km/h (56 mph)
Power output652 or 708 kW (874 or 949 hp)
Tractive effort:
​
 • Starting219 kN
 • 1 hour130 kN
 • Continuous112 kN
References:[1][2]

History

The 6D locomotive was meant not only as a shunter but also for running passenger trains and light freight. The old SM42 design however, dates back to the 1960s and has notable drawbacks due to poor visibility from driver's cab and the V engine which caused noise and vibrations. Over the 30-year production period the locomotive did not have any significant upgrades. The advantage was the excellent traction which was achieved by a8C22 engine at low RPM. There were attempts to modernise the structure in the 1990s, but these did not go beyond the prototype stage (SM42-2000). Only in 2007 Newag Nowy Sącz had prepared a draft for a total modernisation of the SM42 class.[5] This included a high RPM, turbocharged diesel engine coupled with an AC generator in place with a dynamo.[6]

In the railway world the locomotive is called Kiosk due to its streamline and box type structure.[7]

Operators
Country Proprietor Amount Total amount
in each country
 Poland Huta Częstochowa 3 149 from 164
Kolprem 1
Koltar 3
Lotos Kolej 3
Newag 3
PGE 0 from 3
PKP Cargo 121
PNUIK Kraków 2
Pol-Miedź 13 from 19
Polzug 0 from 6

References
  1. https://web.archive.org/web/20111101232220/http://www.newag.pl/oferta/lokomotywy-spalinowe/modernizacje/6Dg
  2. https://www.newag.pl/en/wp-content/uploads/sites/3/2018/09/6DG-GB.pdf
  3. "Home". Newag. Retrieved 15 December 2014.
  4. "Newag will modernise Lotos Kolej trains". Rynek Kolejowy. Retrieved 15 December 2014.
  5. "Newag modernises its 11 series of trains". Inforail. Retrieved 15 December 2014.
  6. "Newag enters a new market". Rynek Kolejowy. Retrieved 15 December 2014.
  7. "Newag trains used world wide gain attention". Kurier Kolejowy. Retrieved 15 December 2014.
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