| Bangladesh Railway Class 6500 | |||||||||||||||||||||||||||||||||||||||||
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 Locomotive 6510 at Kamalapur railway station | |||||||||||||||||||||||||||||||||||||||||
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Bangladesh Railway Class 6500 is a class of 1,676 mm gauge diesel-electric locomotives owned by Bangladesh Railway. There are 36 locomotives of this class, all manufactured by the Banaras Locomotive Works of India. All locomotives of this class are in service. [1]
In 2012, Bangladesh Railway ordered broad-gauge diesel-electric locomotives from India, modeled as WDM-3A. These 26 locomotives were imported in Bangladesh in 2012, 2013 and 2014. [2] These locomotives have a power of 3100 hp, the highest for any locomotives in Bangladesh. They are fitted with AAR coupling and have a gear ratio of 65:18. [3] These locomotives are marked as BED-30, which stands for broad gauge diesel-electric manufactured by DLW, engine with 30 * 100 hp (30) and numbered as 6501 - 6526.
On 27 July 2020, 10 WDM-3D units were imported from India under a “grant assistance” plan and marked as BED-33 [4] [5] The class name stands for broad gauge diesel-electric manufactured by DLW, engine with 33 * 100 hp (33) and numbered as 6527 - 6536. These locos have a 3300 hp power pack, with maximum available traction power of 2925 hp. [6] [7]
On 24 May 2023, 20 WDM-3D more units were imported from India under the same “grant assistance” plan. These units were numbered 6537 - 6556.
Class 6500 locomotives have the deep blue-yellow and sky blue-yellow livery. BED-30s have the deep blue-yellow livery and BED-33s have sky blue-yellow livery.
Among all the class 6500 locomotives, BED-30 is basically used on both freight and passenger trains. Most high-end broad-gauge passenger trains like Padma Express, Banalata Express and Maitree Express are hauled by these locomotives. They are also used on some mail-express and commuter trains. On the other hand, BED-33 is usually only used on freight trains.
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 ALCO DL560C is a series of diesel-electric locomotive with AC electric transmission designed by the American Locomotive Company and produced under license by Banaras Locomotive Works (BLW) Varanasi, India for Indian Railways as their classes WDM-2, WDM-3A/2C, WDM-3D and WDG-3A for operation in India. The locomotive is fitted with a 16-cylinder ALCO 251 B,C diesel engine. In the early 1960s Indian Railways needed a reliable diesel workhorse to gradually replace its steam locomotive fleet. Equal numbers of ALCO's DL560C and EMD's G16 were chosen for trials. More locomotives of each of these were purchased for more trials. Indian Railways was keen on producing these locomotives in the country rather than depending on imports. EMD did not agree for a Transfer-of-Technology, while ALCO did. Thus ALCO DL560C was chosen for the job due to its easy maintenance, reliability and simple operation. And from then on vast numbers of this loco in different configurations have been produced and remain the main diesel traction power of Indian Railways.
Locomotives and train sets of Sri Lanka Railways consist mostly of diesel locomotives and multiple units. Steam locomotives are no longer used, except on heritage trains, such as the Viceroy Special.
The Indian locomotive class WDM-4 is a class of diesel-electric locomotive that was developed in 1962 by Electro-Motive Diesel for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 4th generation (4). They entered service in 1962. A total of 72 WDM-4 locomotives were built between 1961 and 1962.
The Indian locomotive class WDM-3A is a class of diesel–electric locomotive that was developed in 1993 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, with 3300 horsepower (3A). The WDM-3A is a later classification of earlier WDM-2C. They entered service in 1994. A total of 143+ were built at ALCO and Banaras Locomotive Works between 1994 and 2003 with rest of the 1246 units being rebuilt from WDM-2 which made them the most numerous class of mainline diesel locomotive until the WDG-4.
The Varanasi–Jaunpur City–Sultanpur–Lucknow line is a railway line connecting Varanasi and Lucknow, both in the Indian state of Uttar Pradesh. This line is under the administration of Northern Railway and Lucknow Charbagh Divisions.
Diesel Loco Shed, Ernakulam is a motive power depot performing locomotive maintenance and repair facility for diesel locomotives of the Indian Railways, located at Ernakulam Junction (ERS) of the Southern Railway zone in the city of Kochi, Kerala. It is one of the four diesel loco sheds of the Southern Railway, the others being at Tondiarpet (TNP) at Chennai, Erode (ED) and Golden Rock (GOC) at Trichy and the only locomotive shed in Kerala and the southernmost loco shed in India. Although it is in Kerala, its locomotives are used mostly in Goa and Maharashtra, and very rarely near the shed for passenger trains.
In the rail transport system of Bangladesh, diesel locomotives are used. Among diesel locos, there are diesel-electric and diesel-hydraulic locos. Besides diesel locos, steam locos were used in the past, but now they are no longer used. By gauge, there are narrow-gauge (762 mm), meter-gauge (1,000 mm) and broad-gauge (1,676 mm) locos in Bangladesh. Among them, as no narrow-gauge railroads are active, so the narrow-gauge locos are not used anymore.
The Indian locomotive class WDM-3D is a class of diesel-electric locomotive that was developed in 2003 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine with 3300 horsepower (3D). The engine is classified WDM-3D though it outputs only 3300 hp and not 3400 hp as the name should suggest. They entered service in 2003. A total of 590+ WDM-3D were built at Banaras Locomotive Works (BLW), Varanasi between 2003 and 2016.
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 WDM-7 is a diesel-electric locomotive of Indian Railways. It has been manufactured by Banaras Locomotive Works (BLW), Varanasi. The model name stands for broad gauge (W), diesel (D), mixed traffic (M) engine. Today, these are found exclusively at Chennai Central and nearby area.
The Indian locomotive class WDG-3A is a class of diesel-electric locomotive that was developed in 1994 by Banaras Locomotive Works (BLW),Varanasi for Indian Railways. The model name stands for broad-gauge (W), Diesel (D), Goods traffic (G) engine, 3,100 hp (3A) locomotive. They entered service on 18 July 1995. A total of 1,164 WDG-3A units were built between 1994 and 2015 at BLW, Varanasi with a few units being produced by Diesel Loco Modernisation Works (DLMW) and Parel Workshop.
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.
Bangladesh Railway Locomotive Class 6400 (BED-26) is a class of broad-gauge diesel-electric locomotives owned by Bangladesh Railway. Total 13 locomotives have been manufactured by Banaras Locomotive Works (BLW), India, 10 in 2001 as WDM-2B and 3 in 2004 as WDM-2CA. The class name stands for broad gauge (B), Diesel-electric (E), manufactured by DLW (D), engine with 26 * 100 hp (26) and numbered as 6401 - 6413. Currently all are active in service.
The Indian locomotive class WDM-3 is a type of diesel-hydraulic locomotive that was developed by Henschel for Indian Railways in 1962. The model name "WDM-3" stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 3rd generation (3). These locomotives were put into service between 1970 and 1971, and a total of eight were built between 1962 and 1970. However, they were decommissioned at Gooty in 1995 and are now retired from service.
The Indian locomotive class YDM-5 is a class of diesel-electric locomotive that was developed in 1964 by General Motors (GM-EMD) for Indian Railways. The model name stands for Metre gauge (Y), Diesel (D), Mixed traffic (M) engine, 5th generation (5). They entered service in 1964. A total of 25 YDM-5 locomotives was built between 1963 and 1964.
The Indian locomotive class YDM-3 is a class of diesel-electric locomotive that was developed in 1964 by GM-EMD for Indian Railways. The model name stands for Metre gauge (Y), Diesel (D), Mixed traffic (M) engine, 3rd generation (3). They entered service in 1962. A total of 30 YDM-3 locomotives was built between 1961 and 1962.
Diesel Loco Shed, Abu Road is a motive power depot performing locomotive maintenance and repair facility for diesel locomotives of the Indian Railways, located at Abu Road railway station (ABR) in Abu Road city in the Indian state of Rajasthan. It is one of the two diesel loco sheds of the North Western Railway, the others being at Bhagat ki Kothi.
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 WDM-6 is a class of Diesel locomotive that was developed in 1981 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, 6th generation (6). They entered service in 1981. A total of 2 WDM-6 was built at between 1981 and 1982. They were decommissioned at Burdwan (BWN) in 2011.