Английская Википедия:Indian locomotive class WDS-6
Шаблон:Short description Шаблон:More footnotes needed Шаблон:Infobox locomotive
The Indian locomotive class WDS-6 is a diesel-electric locomotive used by the Indian Railways mainly for shunting and also for performing departmental duties. The model name stands for broad gauge (W), Diesel (D), Shunting (S) engine, 6th generation (6). As of April 2022, 375 units of this class are currently in use all over India.
History
This class was designed in 1975 to address the need for a powerful shunting locomotive with the ability to haul 20- to 24-coach rakes. The previous WDS-4 class was found to be grossly underpowered for this kind of operation. A WDS-6 locomotive basically consists of a YDM-4 powerpack (a 6-cylinder, 4-stroke, inline, turbo-supercharged ALCo engine) mounted on a WDM-2 body frame. Beginning in 1975, these were initially manufactured solely by BLW, Varanasi, but later, the Parel Workshop started building them using CKD (completely-knocked-down) kits provided by DLW. WDS-6 units can be easily recognized by their low short hoods (with two cab windows above these) and flat-ended cabs on the long-hood end. Many of them were sold and transferred to private industrial concerns and public sector undertakings (PSUs) in huge numbers, but still display their IR road numbers.
Locomotive sheds
Total Locomotives active as of April 2023 : 335
Liveries
Technical specifications
| Manufacturers | DLW, Parel Workshop |
| Engine | Alco 251-D, Inline-6, Шаблон:Convert (Шаблон:Convert site rating) with Alco turbocharged engine. 1,100 rpm max, 400 rpm idle; Шаблон:Convert bore x stroke; compression ratio 12.5:1. |
| Transmission | Electric, DC-DC (DC Generator and DC Traction motor) |
| Traction motors | GE for original Alco and MLW models, BHEL for DLW |
| Axle load | Шаблон:Convert |
| total weight | Шаблон:Convert |
| Bogies | Alco design cast frame trimount (Co-Co) bogies |
| Starting TE | Шаблон:Convert, at adhesion 27% |
| Length over buffer beams | Шаблон:Convert |
| Distance between bogies | Шаблон:Convert |
Gallery
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A WDS-6AD locomotive in the outer area of Saharanpur Junction
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A Tondiarpet-based WDS6 locomotive at Chennai Central Station
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A Tughlakabad-based WDS-6 locomotive at Anand Vihar Terminal
See also
Bibliography
References
- RDSO document for WDS-6(archived copy)
- 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
Шаблон:Broad gauge locomotives of India
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