WAP 7
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| Type and origin | |
|---|---|
| Power type | Electric |
| Builder | Chittaranjan Locomotive Works, West Bengal, India |
| Total produced | 298 As of December 2016 |
| Specifications | |
|---|---|
| Gauge | 5 ft 6 in (1,676 mm) |
| Electric system(s) | 25 kV 50 Hz AC Overhead |
| Current source | pantograph |
| Career | |
|---|---|
| Operators | Indian Railways |
| Numbers | 30201 onwards |
| Locale | Northern Railways , South-Central Railway , Eastern Railway , Central Railway , Southern Railway zone , South East Central Railway, East Coast Railway,South Eastern Railway |
WAP 7 is a locomotive developed by Chittaranjan Locomotive Works by modifying the gear ratio of existing WAG 9 class. It is capable of hauling trains at speeds ranging between 110–140 km/h (68–87 mph) and is now largely used by Northern Railways (NR), South Central Railways (SCR), Southern Railways (SR), Eastern Railways (ER), South East Central Railway (SECR), Central Railways (CR), Western Railway (WR), West Central Railways (WCR), East Coast Railway (ECoR),South Eastern Railway (SER). As of August,2016 there are 288 locomotives in service. All the locomotives are fitted with AAR tightlock couplers and chain link couplers.
Now Diesel Locomotive Works (DLW) ,Varanasi started manufacturing WAP-7 Class Locomotives, the first DLW built locomotive is WAP-7 #30509 Varun.
The WAP-7 locomotive is a WAG 9 freight locomotive with modified gear ratios and is set to replace the fleet of WAP 4, the most widely used passenger locomotive today. These types of engines are mostly used by Indian Railways.
With a maximum speed rating of 140 km/h (87 mph), the WAP-7 has the highest acceleration figures while hauling mail/express trains. The WAP-7 can also haul loads of 24-26 passenger coaches (1,430–1,550 t or 1,410–1,530 long tons or 1,580–1,710 short tons at 130 km/h or 81 mph). It is the most successful passenger locomotive on the Indian Railways roster after the WAP-4. It is used to haul premium trains like the Rajdhani Express and the Shatabdi Express apart from other regular mail/express trains. It also regularly hauls other trains like the Hyderabad - New Delhi, H.Nizamuddin-Thiruvananthapuram, H.Nizamuddin-Chennai, H.Nizamuddin-Bangalore, New Delhi-Sealdah and the New Delhi - Mumbai Rajdhani Express, New Delhi- Rajendra Nagar(Patna) Patna Rajdhani Express and Nizamuddin-Ernakulam Duronto Express, Thiruvananthapuram-Chennai Super-fast Mail.
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Wikipedia