Indian locomotive class WDS-5

The class WDS-5 is a diesel-electric locomotive used by Indian Railways for shunting and doing departmental works. The model name stands for broad gauge (W), Diesel (D), Shunting (S) engine. The WDS-6 is used all over India.

Indian locomotive class WDS-5
Mughalsarai WDS-5 doing some shunting jobs at MughalSarai Junction
Type and origin
Power typeDiesel
DesignerALCO
BuilderALCO
Order number66/RSF/466/13
ModelDL-535D
Build date1967
Total produced21
Specifications
Configuration:
​
 • AARC-C
 • UICCo′Co′
 • CommonwealthCo-Co
Gauge1,676 mm (5 ft 6 in)
BogiesALCO Asymmetric cast frame trimount
Wheel diameter1,092 mm (3 ft 7 in)
Wheelbase2.108 m (6 ft 11 in)
 • Engine1
Length16.522 m (54 ft 2 1⁄2 in)
Width3.864 m (12 ft 8 1⁄8 in)
Height3.039 m (9 ft 11 5⁄8 in)
Axle load21,000 kg (46,000 lb)
Loco weight126,000 kg (278,000 lb)
Fuel typeDiesel
Fuel capacity5,000 L (1,100 imp gal; 1,300 US gal)
Lubricant cap.530 L (120 imp gal; 140 US gal)
Coolant cap.208 L (46 imp gal; 55 US gal)
Water cap22 L (4.8 imp gal; 5.8 US gal)
Sandbox cap.0.40 L (0.088 imp gal; 0.11 US gal)
Power supply110 V DC supply
Prime moverALCO 251-B
RPM range400-1100
Engine typeInline-6 diesel
AspirationTurbo-supercharged
Displacement267 mm
GeneratorDC
Traction motors6 DC GE 752E6
 • Rating 1 hour1040A
 • Continuous1055A
Head end power110V DC supply
Cylinders6
Cylinder size228.6 x266.7
TransmissionDiesel-electric transmission
MU working2
Loco brakeOriginallyVacuum , Air
Train brakesVacuum
Air tank cap.22 L (4.8 imp gal; 5.8 US gal)
Compressor444.8 L (97.8 imp gal; 117.5 US gal)
Exhauster1,782.9 L (392.2 imp gal; 471.0 US gal)
Performance figures
Maximum speed109 km/h (68 mph)
Power outputMax:1,065 hp (794 kW)
Site rated:994 hp (741 kW)
Tractive effort:
​
 • Starting31.500 t (31 long tons; 35 short tons)
 • Continuous32.300 t (32 long tons; 36 short tons)
Factor of adh.0.25
Career
OperatorsIndian Railways private industries
Numbers19087-19107
LocaleMughalsarai and bondamuda, Leased and sold to some industrial concerns
Delivered1967
First run1967
Preservednone
Current ownerIndian Railway, private industries
Dispositionactive

History

The class was imported in 1967 to address the need for powerful shunting locomotive that will be able to haul 20-24 coach rakes. The previous WDS-4 class was underpowered for this kind of operation.[1] They were manufactured by DLW varanasi using the kits provided by ALCO.[2] The WDS-5 can easily be recognized by their shot nose and flat-ended cab at one end.[3] Some were sold and transferred to industrial concerns and public sectors, but have IR road numbers on them.[4]

Locomotive sheds
Zone Name Shed Code Quantity
East Central Railway Pt. DD Upadhyaya Junction DDU 1
South Eastern Railway Bondamunda BNDM 3
Total Locomotives in Service till July 2020[5] 4
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See also

Bibliography
  • Hughes, Hugh (1996). Indian Locomotives: Part 4 – 1941–1990. Harrow, Middlesex: The Continental Railway Circle. ISBN 0-9521655-1-1.

References
  1. "WDS5" (PDF).
  2. "[IRFCA] Indian Railways FAQ: Locomotives -- Specific classes : AC Electric". www.irfca.org. Retrieved 2020-05-31.
  3. "[IRFCA] Indian Railways FAQ: Diesel and Electric Locomotive Specifications". www.irfca.org. Retrieved 2020-05-31.
  4. "[IRFCA] Indian Railways Locomotive Roster List". www.irfca.org. Retrieved 2020-05-31.
  5. "IRFCA".
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