Indian locomotive class WCG-2

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WCG-2
WCG2 triplets Banking near Bhor Ghats
Type and origin Power type Electric Builder Chittaranjan Locomotive Works Build date 1970-1976 Total produced 57
Specifications Configuration: ​  • UIC Co′Co′ Gauge 5 ft 6 in (1,676 mm) Bogies ALCO Asymmetric cast frame trimount Wheel diameter New: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) Length 18.68 m (61 ft 3+7⁄16 in) Width 3.055 m (10 ft 1⁄4 in) Height 4.238 m (13 ft 10+7⁄8 in) Axle load 21.5 tonnes (21.2 long tons; 23.7 short tons) Loco weight 132 tonnes (130 long tons; 146 short tons) Electric system/s 1.5 kV DC Overhead Current pickup(s) pantograph Traction motors Heil TM4939AZ MU working 3 Loco brake Air/Hand Train brakes Air, Dual and Vacuum Safety systems Slip control, Over voltage relay, No volt relay, Earth fault relay, Low pressure governor, Train parting alarms, and Brake cylinder cutoff valve
Performance figures Maximum speed 90 km/h (56 mph)>or80 km/h (50 mph) Power output Max:4,200 hp (3,130 kW) Tractive effort Starting:35,600 kgf (350 kN) Continuous:33,600 kgf (330 kN) Factor of adh. 0.32
Career Operators Indian Railways Numbers 20104-20160 Nicknames Howlers[citation needed] Locale Central Railways Last run May 2, 2010 (Mainline operations) May 8, 2012 (Shunting) Retired August, 2012 Preserved 20108 - at CLW Loco Park, 20158 - at CSMT Heritage Gully Scrapped August, 2012 Disposition Two preserved, remainder scrapped

The Indian locomotive class WCG-2 (colloquially also known as Howlers due to very noisy blowers^{[according to whom?]}) is a class of 1.5 kV DC electric locomotives that was developed in the late 1960s by Research Design and Standards Organisation (RDSO) and Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), DC Current (C), Goods traffic (G) engine, 2nd generation (2). They entered service in February 1971. A total of 57 WCG-2 were built at CLW between 1978 and 1983, which made them the most numerous class of DC electric locomotive.

The WCG-2 is one of the most successful locomotives of Indian Railways^{[peacock prose]} having served both passenger and freight trains for over 40 years. They were famously known for doing passenger duties and banking duties in the Bhor and Thull ghats. However, with the advent of new 3-phase locomotives and conversion of Central Railways to 25 kV AC, the WCG-2 locomotives were withdrawn from mainline duties, with two of the locomotives being preserved.