description Indian Railways WAP-7 Overview
The WAP-7 is a three-phase AC electric passenger locomotive used by Indian Railways, manufactured at Chittaranjan Locomotive Works in West Bengal. It is derived from the WAG-9 freight locomotive design and is rated at approximately 6,000 horsepower. Introduced in the late 1990s, the WAP-7 is assigned to premier long-distance express services including Rajdhani, Shatabdi, and Duronto trains. It is among the most widely deployed passenger locomotive classes on Indian Railways' electrified broad-gauge network.
help Indian Railways WAP-7 FAQ
Which major trains are hauled by WAP-7 locomotives?
WAP-7s haul many of Indian Railways' premier electric passenger services, including Rajdhani, Shatabdi, Duronto, and other long-distance express trains. Assignments depend on the locomotive shed, route electrification, and current railway diagrams.
What does the name WAP-7 mean?
In Indian Railways classification, W indicates broad gauge, A indicates AC electric power, and P indicates passenger service. The 7 identifies the class within that system.
How is the WAP-7 related to the WAG-9 freight locomotive?
The WAP-7 was developed from the three-phase AC technology used in the WAG-9 platform but adapted for passenger service and higher speeds. Both were built at Chittaranjan Locomotive Works and share a visibly related twin-cab body layout.
Can a WAP-7 operate a train without being moved to the other end?
Many WAP-7 locomotives have been equipped for head-on generation and push-pull operation, depending on the locomotive and train formation. Push-pull working allows a compatible train to reverse direction without detaching and running the locomotive around.
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