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Specifications
Specifications
Configuration:;
• UIC	C
• Commonwealth	0-6-0dh
Gauge	1,676 mm (5 ft 6 in)
Wheel diameter	1,092 mm (3 ft 7 in)
Length:;
• Over couplers	10.700 m (35 ft 1+1⁄4 in)
• Over body	9.430 m (30 ft 11+1⁄4 in)
Width	3.030 m (9 ft 11+5⁄16 in)
Height	4.267 m (14 ft 0 in)
Loco weight	57 tonnes (56 long tons; 63 short tons)
Fuel type	Diesel
Engine type	WDS-3; Maybach MD 435; WDS-4C; MaK MaK 6 M 282 A(K);

Type and origin
Type and origin
Power type	Diesel-hydraulic
Builder	Maschinenbau Kiel
Serial number	600330–600336
Model	650 C
Build date	1961
Total produced	7
Rebuilder	CLW
Rebuild date	1976–1978
Number rebuilt	All 7

Indian locomotive class WDS-3
Indian locomotive class WDS-3
Power type
Type and origin
Power type	Diesel-hydraulic
Builder	Maschinenbau Kiel
Serial number	600330–600336
Model	650 C
Build date	1961
Total produced	7
Rebuilder	CLW
Rebuild date	1976–1978
Number rebuilt	All 7
Configuration:;
Specifications
Configuration:;
• UIC	C
• Commonwealth	0-6-0dh
Gauge	1,676 mm (5 ft 6 in)
Wheel diameter	1,092 mm (3 ft 7 in)
Length:;
• Over couplers	10.700 m (35 ft 1+1⁄4 in)
• Over body	9.430 m (30 ft 11+1⁄4 in)
Width	3.030 m (9 ft 11+5⁄16 in)
Height	4.267 m (14 ft 0 in)
Loco weight	57 tonnes (56 long tons; 63 short tons)
Fuel type	Diesel
Engine type	WDS-3; Maybach MD 435; WDS-4C; MaK MaK 6 M 282 A(K);
Maximum speed
Performance figures
Maximum speed	Mainline gear: 65 km/h (40 mph); Shunting: 27 km/h (17 mph);
Power output	WDS-3; 618 hp (461 kW); WDS-4C; 700 hp (520 kW);
Tractive effort	Mainline gear: 11,500 kgf (113,000 N; 25,000 lbf); Shunting: 18,000 kgf (180,000 N; 40,000 lbf);
Operators
Career
Operators	Indian Railways
Numbers	19046–19052
Locale	All over Indian Railways
Disposition	All scrapped

The class WDS-3 was a diesel-hydraulic locomotive used by Indian Railways for shunting and doing departmental work. The model name stands for broad gauge (W), diesel (D), shunting (S) 3rd generation (3). The WDS-3 is used mostly in the Northern Railway Zone (NR). All these locomotives were withdrawn and scrapped by the late 1990s.

History

The history of WDS-3 class starts in the early 1960s with the aim of the Indian Railways to address the growing requirement for a new shunting locomotive class. These locomotives were designed by Maschinenbau Kiel (MaK) to the specifications set by the Research Design and Standards Organisation (RDSO).^[2] Many aspects of this locomotive were taken from the DB Class V 60. They use Suri hydrodynamic transmission developed for these diesel locomotives and were designed as shunting-cum-shuttle service locomotives.^[2] For this purpose, the reversing gear box attached to the Suri transmission was designed to have two gear stages; in the lower gear, designated as "shunting gear", the locomotive was designated to have a maximum speed of 27 km/h and in the higher speed gear designated as "mainline gear", the maximum locomotive speed was 65 km/h.^[3] The locomotive was fit for both shunting and mainline type of services up to a limited speed of 65 km/h.^[3] Subsequently, it was decided to manufacture locomotives of similar type ingeniously by Chittaranjan Locomotive Works (CLW). These locomotives are designated as WDS-4 class.

When the lot of 7 WDS3 shunters came, initially they had a lot of troubles with these locomotives, but the trouble was confined more to the power pack than to the transmission.^{[citation needed]} But in course of time, going into detail about the troubles that were being experienced and the mechanics were able to get over a lot of these difficulties and in-fact the transmission was also modified to suit with the engine.^{[citation needed]} Between 1976 and 1978 all seven units were rebuilt to WDS-4B specifications by CLW, and received a new engine and a simplified transmission. These units were reclassified as WDS-4Cs. By 1990s all units were withdrawn from service and were scrapped.^[4]

Former shed

Shakurbasti (SSB): All the locomotives of this class has been withdrawn from service.

References

Notes

^ ^a ^b "MaK - 650 C für die Indian Railways (IR)". loks-aus-kiel.de (in German). Lok-Datenbank.de. Retrieved December 10, 2023.
^ ^a ^b Anees Siddiqui (March 2014). "Application of hydraulic based transmission system in Indian locomotives- A Review". Government Industrial Training Institute. ResearchGate. Retrieved December 10, 2023.
^ ^a ^b "WDS-3". IRFCA.org. Retrieved December 10, 2023.
^ "All Locos". IRFCA.org. Retrieved December 10, 2023.