Indian locomotive class WCM-6

The Indian locomotive class WCM-6 is a class of 1.5 kV DC electric locomotives that was developed in 1995 by Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), Direct Current (C), Mixed traffic (M) engine, 6th generation (6). They entered service in 1996. A total of 2 WCM-6 locomotives was built at CLW in 1995.Currently they haul only departmental trains and do shunting duties.

Indian locomotive class WCM-6
Type and origin
Power typeElectric
DesignerCLW
BuilderCLW
Build date1995
Total produced2
RebuilderBhusuval workshop
Rebuild date2008-08-28
Number rebuilt2
Specifications
Configuration:
​
 • AARC-C
 • UICCo′Co′
 • CommonwealthCo-Co
Gauge5 ft 6 in (1,676 mm)
BogiesHigh Adhesion Bogies
Wheel diameterNew:1,092 mm (3 ft 7 in),
Half worn:1,055 mm (3 ft 5 1⁄2 in) and
Full worn:1,016 mm (3 ft 4 in)
Wheelbase1,900 mm (6 ft 3 in)
Length:
​
 • Over couplers20.394 m (66 ft 10 15⁄16 in)
 • Body19.000 m (62 ft 4 1⁄16 in)
Width3.179 m (10 ft 5 3⁄16 in)
Height4.255 m (13 ft 11 1⁄2 in)
Frame typeHigh Adhesion fabricated frame
Axle load20.0 tonnes (19.7 long tons; 22.0 short tons)
Loco weight120.00 tonnes (118.10 long tons; 132.28 short tons)
Sandbox cap.16 sandboxes each
Power supply110 V DC
Electric system/s1.5 kV DC Overhead
Current pickup(s)pantograph
Traction motors6 HS-15250A
 • Rating 1 hour960A
 • Continuous960A
Gear ratio18:64
MU working2 or 3
Loco brakeAir/Hand,
Train brakesVacuum and Air
Compressor1000 litre/min
Safety systemsSlip control, Over voltage relay, No volt relay, Low pressure governor, Vacuum governor Train parting alarms, and Brake cylinder cutoff valve
Performance figures
Maximum speed105 km/h (65 mph) reduced to 65 km/h (40 mph)
Power output:
​
 • StartingMax:4,600 hp (3,430 kW)
 • 1 hourMax:4,600 hp (3,430 kW)
 • ContinuousMax:4,600 hp (3,430 kW)
Tractive effort:
​
 • Starting39,600 kgf (390 kN)
 • 1 hour36,000 kgf (350 kN)
 • Continuous27,000 kgf (260 kN)
Factor of adh.0.27
Career
OperatorsIndian Railways
Numbers20187 and 20188
Official nameVikram for first locomotive
LocaleCentral Railways
Delivered1996
First run1996
DispositionAll in service

History

the history of WCM-5 begins in the early 1960s with the stated aim of the Indian Railways (IR) to remove the aging fleet of WCM class locomotives working in the Central Railways (CR) .[1] So IR to procure 2 1500 V DC electric locomotives from Chittaranjan Locomotive Works (CLW), who also previously supplied the WCM-5 class. They had the High Adhesion Bogies used in the WAG-7 class AC locomotive.

They are manufactured in India in 1995.They were the first “ non nosed” DC locomotives to be manufactured.[2]

WCM-6 class DC locomotives of Kalyan shed and were converted to work on 25KV AC by Electric Locomotives Works -Bhusuwal on 28 August 2008. The WCM-6 locomotives were used in Freight Duties.

Locomotive shed
ZoneNameShed CodeQuantity
Central RailwayKalyan ELS and Kalyan DLSKYN2
Total Locomotives Active as of 01-07-2020[3]2

Former sheds
  • Pune
  • Bhusuwal (BSL)
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See also

References
  1. Gudgin, D.S.E. (1976). Vulcan Foundry Locomotives 1832–1956. Truro: Bradford Barton. ISBN 978-0-85153-215-8.CS1 maint: ref=harv (link)
  2. "Refer pg 282" (PDF).
  3. "e-Locos".
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