The Indian locomotive class WAP-6 was a class of 25 kV AC electric locomotives that was developed in the mid-1990s by Chittaranjan Locomotive Works for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) locomotive, 6th generation (6). They entered service in April 1996. A total of 17 WAP-6 units were built at CLW between 1995 and 1998.
Quick Facts WAP-6, Type and origin ...
WAP-6[1] |
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Type and origin |
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Power type | Electric |
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Builder | CLW |
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Build date | 1995–1998 |
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Total produced | 17 |
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Rebuild date | August, 2012 |
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Number rebuilt | 22401-22416 |
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Specifications |
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Configuration:
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• UIC | Co'-Co' |
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Gauge | 1,676 mm (5 ft 6 in) |
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Bogies | originally Flexicoil Mark IV Fabricated;converted to Co'-Co' Flexicoil Mark 1 cast bogies; primary and secondary wheel springs with bolsters |
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Wheel diameter | New: 1,092 mm (3 ft 7 in) Half worn: 1,055 mm (3 ft 5+1⁄2 in) Full worn: 1,016 mm (3 ft 4 in) |
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Length | 18.79 m (61 ft 7+3⁄4 in) |
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Height | 4.235 m (13 ft 10+3⁄4 in) |
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Axle load | 18,800 kg (41,400 lb) |
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Loco weight | 113,200 kg (249,600 lb) |
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Electric system/s | 25 kV 50 Hz AC, AC Overhead |
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Current pickup(s) | pantograph |
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Traction motors | Hitachi HS15250 |
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Loco brake | Air/Hand |
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Train brakes | Air |
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Safety systems | Slip control, Over voltage relay and No volt relay |
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Performance figures |
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Maximum speed | Intended at 140 km/h (87 mph) Restricted to 105 km/h (65 mph) |
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Power output | Max: 5,350 hp (3,990 kW) Continuous: 5,000 hp (3,700 kW) |
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Tractive effort | Starting:30.8 t (30 long tons; 34 short tons) Continuous:19 t (19 long tons; 21 short tons) |
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Career |
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Operators | Indian Railways |
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Numbers | 22400-22416 |
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Locale | Eastern Railway |
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Withdrawn | August, 2012/In service as WAP-4 |
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Disposition | One scrapped, remainder rebuilt |
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Close
The WAP-6 were intended to be the faster variant of the successful WAP-4, but failed trials and were restricted to a top speed of 105 km/h. Now all units have been converted to WAP-4 specifications. All were homed at Asansol (ASN) shed but after conversion reallocated to Howrah (HWH) shed.