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Bangladesh Railway Class 3000
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Bangladesh Railway Class 3000 is a class of meter-gauge diesel-electric locomotives which also could be use on broad-gauge by of Bangladesh operated by Bangladesh Railway.

Builder’s details
In the 1960s, some shunting locos entered the fleet of the then Eastern Bengal Railway as class/series-number 3000. The number of these locos was 11 probably. Most specifications (like builder's name, build date and class-name) of these 11 locos are unknown. At present, none of them are active. None of them were preserved.

In 2020, 10 EMD GT38AC locos produced by Hyundai Rotem of South Korea under the license of Electro-Motive Diesel (EMD) of USA entered the fleet of Bangladesh. They were also given the 3000 series. Though in the first phase, 10 locos came, 20 more in the second phase and 70 more in the third phase are planned to come in Bangladesh. These locos could be use on broad gauge track also by changing bogies. The newer locos are used for both passenger and freight trains. The first commercial operation of these started with 3001 loco with Dhaka-Chittagong container train on 21/10/2020.

Technical details
The newer locos use the EMD E710G3A as prime mover. Their power is 2,200 hp and can achieve speed up to 110 km/h. The wheel arrangement is Co-Co. The power of older locos was 335 hp.

The design of old locos was similar to that of class 2300/2400, but the driver cab is situated at the center of the body. The design of newer locos is like class 2200 locos, having no short hood. With a length of almost 19 meters and weighing approximately 108 tons, these newer locos are currently the longest and heaviest meter-gauge diesel locos of Bangladesh. They are also the most powerful meter-gauge locos of the country. Though they are meter-gauge, they are designed in such a way that they can be converted into broad-gauge (1676 mm) locos in the future.

Besides Bangladesh, 55 EMD GT38ACe locos were also produced for Indonesia from 2011 to 2013. Those locos have much similar specifications with class 3000 locos with some differences like; the loco design and gauge are different.

Classification and numbering
The number-series/class of these locos is 3000. New locos are numbered from 3001 to 3010. First Shipment of the second phase 3011-3020 is also arrived in Bangladesh recently and under trial. Unlike 3001-3010 this 10 has Air Conditioned cab. The class-name/specification of new locos is "MEI-20". Here, M = Meter-gauge, E = Diesel-electric, I = Hyundai Rotem and 20 = 22 × 100 = 2,000 hp (actually 2,200 hp). The class-name of old locos is unknown.