| Indian locomotive class WDS-1 | |||||||||||||||||||||||||||||||||
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 The GE 45 ton switcher similar to the WDS-1 class | |||||||||||||||||||||||||||||||||
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The class WDS-1 was a diesel-electric locomotive used by Indian Railways for shunting and doing departmental works. The model name stands for broad gauge (W), Diesel (D), Shunting (S) 1st generation (1). The WDS-1 is used mostly in the Northern Railway Zone (NR). All these locomotives were withdrawn by the late 1990s.
During WW2 the USATC took effective control of the ports of Bombay, Calcutta and Karachi and to operate them obtained 50 General Electric built Bo-Bo diesel locos; these were a standard General Electric 45 ton design of locomotive. When delivered to India the locos were split between the BAR, BB&CIR, GIPR and NWR and were used for working military traffic between the ports and mainline railways. After the war they became the property of the mainline railways and in turn became IR locos. Post war they were designated as ADE class and on IR they were WDS-1 class. One unidentified member of the class has been preserved and is now at the DLW, Varanasi.
Upon the departure of the Americans, the locos all became part of the stocks of their respective companies. In 8/1947 14 of the locos became the property Pakistan. Unsurprisingly all the NWR examples were among these along with two each from BBCIR (6500-01), GIPR (6526-27) and the BAR pair. They became their ADE36 class with the running numbers 6501 to 6514. The ones that remained in India became ADE class locos and were numbered 410 to 425. All but one of these 15 became WDS-1 class locos and received the numbers 19000 to 14. The missing loco was sold to CLW for use as their works shunter where it remains albeit now preserved. The WDS-1 were another long resilient class as one was in 1992, at Sealdah.
The British Rail Class 08 is a class of diesel-electric shunting locomotives built by British Railways (BR). As the standard BR general-purpose diesel shunter, the class became a familiar sight at major stations and freight yards. Since their introduction in 1952, however, the nature of rail traffic in Britain has changed considerably. Freight trains are now mostly fixed rakes of wagons, and passenger trains are mostly multiple units or have Driving Van Trailers, neither requiring the attention of a shunting locomotive. Consequently, a large proportion of the class has been withdrawn from mainline use and stored, scrapped, exported or sold to industrial or heritage railways.
The Indian Railways primarily operates a 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 heritage trains. A locomotive is also known as a loco or more popularly as an engine. The country's first steam locomotive ran on the Red Hill Railway from Red Hills to the Chintadripet bridge in Madras in 1837.
The Indian locomotive class WDM-2 is a class of diesel-electric locomotive that was developed in 1962 by American Locomotive Company (ALCO) for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 2nd generation (2). They entered service in 1962. A total of more than 2,700 WDM-2 was built at ALCO and Banaras Locomotive Works, Varanasi between 1962 and 1998, which made them the most numerous class of mainline diesel locomotive until its successor the WDM-3A.
The Indian locomotive class WP was a class of 4-6-2 "Pacific" steam locomotives used in India. It was introduced after World War II for passenger duties, marking the change from 'X' to 'W' as the classification code for broad gauge locomotives. The class was designed specifically for low-calorie, high-ash Indian coal, by Railway Board designers in India.
Tondiarpet railway station is one of the railway station of the Chennai Central–Gummidipoondi section of the Chennai Suburban Railway Network. It serves the neighbourhood of Tondiarpet, a suburb of Chennai, and is located 5 km north of Chennai Central railway station. It has an elevation of 5 m above sea level.
The Jabalpur–Bhusaval section is a railway line connecting Jabalpur, Madhya Pradesh and Bhusaval, Maharashtra. This 552 km (343 mi) track is part of the Howrah–Allahabad–Mumbai line, one of the busiest railways in India. The line is under the jurisdiction of West Central Railway and Central Railway.
The Indian locomotive class WDP-1 is a class of diesel-electric locomotive that was developed in 1995 by Banaras Locomotive Works (BLW) for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Passenger traffic (P) engine, 1st generation (1). They entered service in 1995. A total of 69 WDP-1 units were built at Banaras Locomotive Works (BLW), Varanasi between 1995 and 1999.
The Indian locomotive class WDP-3A, colloquially nicknamed the Toaster, is a class of diesel-electric locomotive that was developed in 1998 by Banaras Locomotive Works, Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Passengers traffic (P) locomotive with 3100 horsepower (3A). The WDP-3A is a later classification of earlier WDP-2. They entered service in 1998. A total of 44 were built between 1998 and 2001.
The Indian locomotive class WCG-2 is a class of 1.5 kV DC electric locomotives that was developed in the late 1960s by Research Design and Standards Organisation (RDSO) and Chittaranjan Locomotive Works (CLW) for Indian Railways. The model name stands for broad gauge (W), DC Current (C), Goods traffic (G) engine, 2nd generation (2). They entered service in February 1971. A total of 57 WCG-2 were built at CLW between 1978 and 1983, which made them the most numerous class of DC electric 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.
The Indian locomotive class WAM- 2/3 was a class of 25 kV AC electric locomotives that was imported from Japan in the 1960s for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Mixed traffic (M) locomotive, 2nd generation (2). A total of 38 WAM-2/3 locomotives were built by The Japanese Group between 1960 and 1964. They entered service in 1960.
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.
Diesel Loco Shed, Tondiarpet is a motive power depot performing locomotive maintenance and repair facility for diesel locomotives of the Indian Railways. It is located near Tondiarpet railway station (TNP) of the Southern Railway zone in the city of Chennai, Tamil Nadu and is one of the four diesel loco sheds of the Southern Railway, the others being at Ernakulam (ERS) at Kochi, Erode (ED) and Golden Rock (GOC) at Trichy.
The Indian locomotive class WCG-1 is a class of 1.5 kV DC electric locomotives that was developed in late 1920s by Vulcan Foundry and Swiss Locomotive and Machine Works (SLM for Indian Railways. The model name stands for broad gauge, Direct Current, Freight traffic engine, 1st generation. They entered service in 1930. A total of 41 WCG-1 was built at England between 1928 and 1929.
The WDM-2G is a class of diesel electric genset locomotive used in Indian Railways. It is one of the rarest locomotives in India with only two units being produced by Patiala Locomotive Works (PLW). The locomotives were produced with an intention of being fuel efficient and to be used for light to medium duties such as short passenger runs along with occasional shunting. They are one of the only two classes of locomotives in India to feature multiple prime movers, the other example being WDS-6G, which was designed solely for shunting. They have a rated power of 2,400 HP.
The class WDS-5 is a diesel-electric locomotive used by Indian Railways for shunting and doing departmental works. The model name stands for broad gauge (W), Diesel (D), Shunting (S) engine. The WDS-6 is used all over India.
The Indian locomotive class WDS-2 is a class of diesel-electric locomotive that was developed in 1954 by Kraus Maffei for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Shunting locomotive (S) engine, 2nd generation (2). They entered service in 1955. A total of 20 WDS-2 was built in Germany between 1954 and 1955, which made them the most numerous class of shunting diesel locomotive until the WDS-4B.
The class WDS-3 was a diesel-electric locomotive used by Indian Railways for shunting and doing departmental works. 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 by the late 1990s.
The Indian locomotive class WDS-8 is a class of diesel-electric locomotive that was developed in 1979 by the Chittaranjan Locomotive Works for Indian Railways, but ended up being delivered exclusively to the private sector. The model name stands for broad gauge (W), Diesel (D), Shunter (S) engine, 8th generation (8). They entered service in 1979. A total of five WDS-8 locomotives was built at Chittaranjan Locomotive Works (CLW), Chittaranjan between 1979 and 1982.
The Indian locomotive class WAG-6B/C is a class of 25 kV AC electric locomotives that was developed in the 1988 by Hitachi for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Goods (G) engine, 6th generation (6) Second/Third variant (B/C). They entered service in 1988. A total of 12 WAG-6 were built at Hitachi, Japan between 1987 and 1988. they along with WAG-6A were the most powerful locomotives in India until the arrival of the WAG-9 class.
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| Diesel |
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| DC electric |
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| AC electric |
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| Dual (AC and DC) electric |
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| Dual mode |
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