The Indian locomotive class WDP-1 is a class of

diesel-electric locomotive A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conv ...

that was developed in 1995 by

Banaras Locomotive Works The Banaras Locomotive Works (BLW) (formerly Diesel Locomotive Works (DLW)) in Varanasi, India, is a production unit of Indian Railways. DLW stopped manufacturing diesel locomotives in March 2019 and was renamed BLW in Oct 2020. History Founde ...

(BLW) 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), Diesel (D), Passenger traffic (P) engine, 1st generation (1). They entered service in 1995. A total of 69 WDP-1 units were built at

(BLW), Varanasi between 1995 and 1999. The WDP-1 served both passenger and freight trains for over 25 years. Despite the introduction of more modern types of locomotives like

WDG-4 The Indian locomotive class WDG-4 (EMD GT46MAC) is a freight-hauling diesel-electric locomotive with AC electric transmission designed by General Motors Electro-Motive Diesel in 1997–1998 for Indian Railways, where they are classed as WDG-4. ...

and electrification, a significant number are still in use, both in mainline and departmental duties. As of April 2022, 57 locomotives still retain "operational status" on the mainline.

History

The WDP-1 is a lower powered version of the

WDM-2 The Indian locomotive class WDM-2 is a class of diesel-electric locomotive that was developed in 1962 by American Locomotive Company (ALCO) for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, ...

. These locos have a 2300 hp powerpack, . The engine is a converted version of the Alco 251C model with a 12-cylinder engine and low overall weight with a max. speed of 140 km/h, Bo-Bo fabricated bogies loosely based on the Flexicoil models. They are still in service and are homed either at TKD & BZA to haul short commuter trains and shunting around the area. They look just like all other ALCOs and are easily identified by the laterally “sculpted” and baldie grille-less short hood. WDP1M is a rebuilt version with better powerpack and better cooling via a modified radiator. The biggest change is in the suspension. Rubber springs have been provided instead of coil springs, along with other changes to the suspension and axle components. The scrapping of these locomotives has begun.

Locomotive sheds

References

* https://www.rdso.indianrailways.gov.in/works/uploads/File/WDP1M%20Final%20speed%20certificate.pdf {{DEFAULTSORT:WDP-1 P-1 Banaras Locomotive Works locomotives Bo-Bo locomotives 5 ft 6 in gauge locomotives Railway locomotives introduced in 1995

History

Locomotive sheds

See also

References