Indian locomotive class WAM-4
Encyclopedia
WAM-4 is the name of a type of electric locomotive
used in India
. It is a very successful locomotive in Indian Railways' fleet. The first one was indigenously designed and built by CLW in 1970-71. They were produced until about 1997. They use the same power bogies as the successful WDM-2
class. These locos feature rheostatic braking, and MU capability. Being designed specially for mixed traffic these locos has rendered excellent service.
Electric locomotive
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or an on-board energy storage device...
used in India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
. It is a very successful locomotive in Indian Railways' fleet. The first one was indigenously designed and built by CLW in 1970-71. They were produced until about 1997. They use the same power bogies as the successful WDM-2
Indian locomotive class WDM-2
The class WDM-2 is Indian Railways' workhorse diesel locomotive. The first units were imported fully built from the American Locomotive Company in 1962. Since 1964, it has been manufactured in India by the Diesel Locomotive Works , Varanasi. The model name stands for broad gauge , diesel , mixed...
class. These locos feature rheostatic braking, and MU capability. Being designed specially for mixed traffic these locos has rendered excellent service.
Technical specifications
| Manufacturers | CLW |
| Traction Motors | Alstom TAO 659 A1 (575kW, 750V). Six motors, axle-hung, nose-suspended, force-ventilated. |
| Gear Ratio | 15:62 originally (and still for WAM-4 2S3P), now many variations, 21:58 being common for WAM-4 6P locos. |
| Transformer | Heil BOT 3460 A, 22.5kV / 3460kVA. |
| Rectifiers | Two silicon rectifier cells, 1270V / 1000A each cubicle. |
| Pantographs | Two Faiveley AM-12. |
| Axle load | 18.8t |
| Hauling capacity | 2010t |
| Current Ratings | (WAM-4 6P) 1100A/10min, 750A continuous |
See also
- Indian RailwaysIndian RailwaysIndian Railways , abbreviated as IR , is a departmental undertaking of Government of India, which owns and operates most of India's rail transport. It is overseen by the Ministry of Railways of the Government of India....
- Indian LocomotivesIndian locomotivesLocomotives in India consist of electric and diesel locomotives. Steam locomotives are no longer used, except in heritage trains. Locomotives are also called locos or engines....
- Indian Locomotive Class WDM-2Indian locomotive class WDM-2The class WDM-2 is Indian Railways' workhorse diesel locomotive. The first units were imported fully built from the American Locomotive Company in 1962. Since 1964, it has been manufactured in India by the Diesel Locomotive Works , Varanasi. The model name stands for broad gauge , diesel , mixed...
- Indian locomotive class WAP-4Indian locomotive class WAP-4WAP-4 is one of the most important electric locomotives used in India. It is a very powerful class capable of hauling 26 coaches at a speed of 140 km/h...
- Indian Locomotive Class WAP-5Indian locomotive class WAP-5WAP 5 is the name of a class of electric locomotive used by Indian Railways. The first 10 locomotives were imported from ABB in Switzerland in 1995. They are supposed to be a variant of the Lok 2000. Chittaranjan Locomotive Works started production in 2000. It was designed to haul 18 coach...
- Indian locomotive class WAP-7Indian locomotive class WAP-7WAP 7 is a high speed locomotive indigenously developed by Chittaranjan Locomotive Works. It is capable of hauling trains at speeds ranging between 140 and 160 km per hour and is now largely used by Northern Railways , South Central Railways , South Western Railway and Southern Railways .-...
- Indian locomotive class WAG-7Indian locomotive class WAG-7WAG-7 is the name of a type of electric locomotive used in India. It is a very powerful locomotive in Indian Railways' fleet. Built by Chittaranjan Locomotive Works and BHEL, Jhansi to RDSO specifications. WAG7 is an uprated version of WAG-5 locomotive with high capacity transformer, rectifier,...
- Indian locomotive class WAG-5Indian locomotive class WAG-5The WAG-5 is a type of electric locomotive used in India. It is the second most widely used locomotive on Indian railways, with a total of 1100 units built including variants...
- Indian locomotive class WAG-9Indian locomotive class WAG-9WAG-9 is the name of a type of electric locomotive used in India. Homed mainly at Gomoh, Ajni,Lallaguda,Tughlakabad and Bhilai, it is currently the most powerful locomotive in Indian Railways' fleet. It is very similar to the class WAP-7; The only difference being the gear ratio which makes it...