Indian locomotive class WDM-6
Type and origin
Power typeDiesel
BuilderBLW
Build date1981-1982
Total produced2 units
Specifications
Configuration:
​
 • UICBo′Bo′
 • CommonwealthBo-Bo
Gauge5 ft 6 in (1,676 mm)
Bogiesfabricated design,similar to those seen on the WDP-1
Wheel diameter1,092 mm (42.99 in)
Length19.60 m (64 ft 3+5⁄8 in)
Width3,130 mm (10 ft 3+1⁄4 in)
Height3,635 mm (11 ft 11+1⁄8 in)
Axle load12,000 kg (26,000 lb)
Loco weight70,000 kg (150,000 lb)
Fuel typeDiesel
Fuel capacity3,000 L (660 imp gal; 790 US gal)
Lubricant cap.530 L (120 imp gal; 140 US gal), 630 L (140 imp gal; 170 US gal) DLW
Water cap.22 L (4.8 imp gal; 5.8 US gal), 28 L (6.2 imp gal; 7.4 US gal) DLW
Prime moverALCO 251-D
RPM range400-1100
Engine typeInline-6 diesel
AspirationTurbo-supercharged
Displacement(?)
GeneratorDC
Traction motors6 DC
Cylinders6
Cylinder size228 mm × 267 mm (8.98 in × 10.51 in) bore x stroke
TransmissionDiesel-electric transmission
MU working2
Loco brake28LV-1, Air brake for Locomotive using SA-9 brake handle
Train brakesOriginally Vacuum using A-9 brake handle, some modified to Dual
Performance figures
Maximum speed70 km/h (43 mph)
Power outputMax:1,350 hp (1,010 kW)
Site rated:1,300 hp (970 kW)
Tractive effort19.200 t (19 long tons; 21 short tons)
Career
OperatorsIndian Railways, some sri lankan industrial concenrs
Numbers18901, 18902
NicknamesMaruti
LocaleBurdwan,Liluah Workshop
Delivered1981
First run1981
Retired2011
Withdrawn2011
PreservedBoth units earmarked
Current ownerIndian Railway
DispositionWithdrawn from service

The Indian locomotive class WDM-6 is a class of Diesel locomotive that was developed in 1981 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 6th generation (6). They entered service in 1981. A total of 2 WDM-6 was built at between 1981 and 1982. They were decommissioned at Burdwan (BWN) in 2011.

History

WDM-6 was developed to address the need for locomotive to haul commuter and suburban services. They had the same 1350 hp engine and hood superstructure as the YDM-4 locos with WDM-2 under frame. but these locos were underpowered and subsequently relegated to shunting and departmental duties. They were based at the diesel locomotive shed in Burdwan (BWN) since the 1980s. One unit was seen shunting at Liluah Workshop. By the late 2010s they were withdrawn from services. Both units are earmarked for preservation.

Preserved Examples

Class Manufacturer Loco Number Previous shed Name Livery Location ref
WDM-6 DLW 18901 Barddhaman/Burdwan

(BWN)

 Brown with yellow lining Earmarked for preservation: I.R. Heritage Website [November 2018] [1]
WDM-6 DLW 18902 Barddhaman/Burdwan

(BWN)

 Brown with white stripe Earmarked for preservation: I.R. Heritage Website [November 2018] [2]

Former shed

  • Barddhaman/Burdwan (BWN): All the locomotives of this class has been withdrawn from service.

See also

References

  1. ↑ "[IRFCA] Indian Railways Locomotive Roster Barddhaman, Burdwan (BWN) WDM-6 18901 Show". www.irfca.org. Retrieved 5 June 2020.
  2. ↑ "[IRFCA] Indian Railways Locomotive Roster Barddhaman, Burdwan (BWN) WDM-6 18902 Show". www.irfca.org. Retrieved 5 June 2020.

Bibliography

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