The Indian locomotive class WAP-6 is a class of 25 kV AC electric locomotives that was developed in the mid 1990s by

Chittaranjan Locomotive Works Chittaranjan Locomotive Works (CLW) is an electric locomotive manufacturer based in India. The works are located at Chittaranjan in the Asansol Sadar subdivision of West Bengal, with an ancillary unit in Dankuni. The main unit is 32 km f ...

for

Indian Railways Indian Railways (IR) is a statutory body under the ownership of Ministry of Railways, Government of India that operates India's national railway system. It manages the fourth largest national railway system in the world by size, with a tot ...

. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P), 6th generation (6) locomotive. They entered service in April 1996. A total of 17 WAP-6 units were built at CLW between 1995 and 1998. 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 105km/h. Now all units have been converted to WAP-4 specifications. All were homed at

Asansol Asansol is a (Tier-II) metropolitan city in the Indian state of West Bengal. It is the second largest and most populated city of West Bengal and the 33rd largest urban agglomeration in India. Asansol is the district headquarters of Paschim Bar ...

(ASN) shed but after conversion reallocated to

Howrah Howrah (, , alternatively spelled as Haora) is a city in the Indian state of West Bengal. Howrah is located on the western bank of the Hooghly River opposite its twin city of Kolkata. Administratively it lies within Howrah district, and is th ...

(HWH) shed.

History

This class was actually variant of the WAP-4 design where Co-Co Flexicoil Mark 1 cast bogies of the usual WAP4 was replaced by Fabricated Flexicoil Mark IV bogies. All other specifications were same as WAP4. WAP-1 unit no. 22212 was the first to be rebuilt into a WAP-6. It was provided with Flexicoil bogies and other upgrades. Then it was rebuilt into

WAP-4 The Indian locomotive class WAP-4 is a class of 25 kV AC electric locomotives that was developed in 1993 by Chittaranjan Locomotive Works for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Passenger traffic (P) ...

. Later, more WAP-1 units were re-geared and provided with high-adhesion fabricated bogies (Flexicoil Mark IV) which are somewhat similar to

ALCO The American Locomotive Company (often shortened to ALCO, ALCo or Alco) was an American manufacturer of locomotives, diesel generators, steel, and tanks that operated from 1901 to 1969. The company was formed by the merger of seven smaller locomo ...

hi-adhesion bogies. They were intended to reach but failed to do so in trials and were restricted at . Two units,i.e., 22406 and 22408 are upgraded with better wheel-sets. This class was an unsuccessful one. All have been converted back as

. About 16 of these were built (All in the number series 22400-22416.).

Technical specifications

Hauling capacity

If the average weight of ICF coaches is 55 tonnes then: * Except One all the locomotives are rebuild back to wap-4.

References

{{Broad gauge locomotives of India , state=collapsed ;' Electric locomotives of India 25 kV AC locomotives Co-Co locomotives 5 ft 6 in gauge locomotives Railway locomotives introduced in 1997

History

Technical specifications

Hauling capacity

See also

References