Indian locomotive class WDS-4

The WDS-4 is a class of diesel-hydraulic locomotive used by Indian Railways for shunting and departmental operations. The model name stands for broad gauge (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.

Indian locomotive class WDS-4
A WDS-4 Preserved at Valsad Railway station
Type and origin Power type Diesel-hydraulic Builder Chittaranjan Locomotive Works Build date 1967–1990 Total produced WDS-4: 27 WDS-4A: 5 WDS-4B: 450+ WDS-4C: 7 WDS-4D: 120+ Total: 662 Rebuilder BLW
Specifications Configuration: ​  • UIC C  • Commonwealth 0-6-0dh Gauge 1,676 mm (5 ft 6 in) Loco weight 60 tonnes (59 long tons; 66 short tons) Fuel type Diesel
Performance figures Maximum speed Mainline gear: 60–65 km/h (37–40 mph) Shunting: 25–38 km/h (16–24 mph) Power output 600–700 hp (450–520 kW) Tractive effort Mainline gear: 9,500–16,700 kgf (93,000–164,000 N; 21,000–37,000 lbf) Shunting: 18,000 kgf (180,000 N; 40,000 lbf)
Career Operators Indian Railways Numbers 19057…19732 Locale All over Indian Railways, some leased/sold to private industry

Locomotive sheds

Zone	Name	Shed Code	Quantity
Eastern Railway	Beliaghata Sealdah	BGA	1
Northern Railway	Shakurbasti	SSB	2
	Lucknow	LKO	2
North Central Railway	Agra	AGA	1
Southern Railway	Tondiarpet	TNP	1
Western Railway	Bandra Marshalling Yard	BAMY	2
	Rashtriya Chemical & Fertilizers	RCF	2
Total Locomotives in Service till July 2020[1]			11

See also

• History of rail transport in India
• Locomotives of India
• Rail transport in India

References

1. "IRFCA".

• https://rdso.indianrailways.gov.in/works/uploads/File/WDS6.PDF
• 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

• Hughes, Hugh (1996). Indian Locomotives: Part 4 – 1941–1990. Harrow, Middlesex: The Continental Railway Circle. p. 38. ISBN 0-9521655-1-1.