Indian locomotive class WDS-4

Indian locomotive class WDS-4
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: ​  • Whyte 0-6-0DH  • UIC C 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

The WDS-4 (also known as Pappu) 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.

Locomotive sheds

Zone	Name	Shed Code	Quantity
Northern Railway	Shakurbasti	SSB	1
	Rashtriya Chemical & Fertilizers	RCF	2
Total Locomotives in Service as of April 2023			3

See also

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

External links

• "Diesel Locomotive Classes – Broad Gauge". Archived from the original on 2010-01-10.
• "Diesel and Electric Locomotive Specifications". Archived from the original on 2010-04-20.
• "Loco Roster Database". Archived from the original on 2018-01-09.

Bibliography

• Hughes, Hugh (1996). Indian Locomotives: Part 4 – 1941–1990. Harrow, Middlesex: The Continental Railway Circle. p. 38. ISBN 0-9521655-1-1. OCLC 35135033.