The WDS-4 also known as Pappu is a class of
diesel-hydraulic locomotive
A diesel locomotive is a type of railway locomotive in which the prime mover is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is conveyed to the driving wheels ...
used by
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 ...
for shunting and departmental operations. The model name stands for
broad gauge
A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the used by standard-gauge railways.
Broad gauge of , commonly known as Russian gauge, is the dominant track gauge in former Soviet Union (CIS ...
(W), Diesel (D), Shunting (S) engine. The WDS-4 was once used all over India but most have now been scrapped or condemned from active service.
Locomotive sheds
See also
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Rail transport in India#History
*
Locomotives of India
The Indian Railways primarily operates fleet of electric and diesel locomotives, along with several compressed natural gas (CNG) locomotives. Steam locomotives are operated on a few World Heritage Sites and also run occasionally as herita ...
*
Rail transport in India
Rail transport in India is an important mode of conveyance for people and goods in India. Indian Railways (IR) is the primary operator of rail operations throughout the country. IR is a state-owned organisation of the Ministry of Railways, whic ...
References
*https://www.irfca.org/faq/faq-loco2d.html
*https://www.irfca.org/faq/faq-specs.html#WDS-6
*https://www.irfca.org/apps/locos/list
Bibliography
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{{Broad gauge locomotives of India , state=open
Diesel-hydraulic locomotives of India
C locomotives
Chittaranjan Locomotive Works locomotives
Railway locomotives introduced in 1967
5 ft 6 in gauge locomotives