What does the term “multiple unit” or “MU” mean, and what is an EMU or DMU?

21-06-2019

There are two senses of the phrase "multiple unit" to be distinguished. Two or more regular locomotives may be coupled together for greater hauling capacity. In such a cases the locos are said to be operating as multiple units, or to be "MU'ed together" (US terminology: "lash-up"). ये भी पढ़े - योगासन का इतिहास तथा योग से होने वाले फायदे This is not to be confused with the terms electric multiple unit (EMU) or diesel multiple unit (DMU) which refer to cars used for (mostly suburban) train services which have multiple prime movers (either electric motors or diesel engines) for each car. I.e., the same

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Do double-stacked container trains run on IR?
July 18, 2019

IR has only recently begun running a few double-stacked container trains. This is primarily because most of IR's main routes are electrified and raising OHE clearances is not permitted under the present Schedule Of (moving) Dimensions. (But see below.) Other reasons include low axle loads permitted on certain lines and types of wagons (20.32

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How heavy are the freights carried by IR? What are the heaviest freights?
July 18, 2019

Among the heaviest freights regularly hauled in India are the 4700+ tonne loads hauled by two (sometimes one, depending on the gradient, etc.) WAG-9 locos in the Dhanbad Division. Earlier, these freights required multiple WAG-5 locos to haul them. Typical heavy freight trains in many sections use two or three WAG-5's at the front and two or three

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International freight: Are there direct freight trains running between India and neighbouring countries?
July 18, 2019

Freight trains run regularly between India and Pakistan via the Attari (Punjab) - Lahore route. The Munabao - Khokhrapar route is under consideration for goods traffic (it is currently only used for the Thar Express passenger traffic). Freight trains have also been running regularly between India and Bangladesh on the Gede-Darshana and Petrapole

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What is the Dedicated Freight Corridor (DFC)?
July 18, 2019

The Dedicated Freight Corridor is a project for new railway lines exclusively for carrying freight isolated from normal IR traffic and passenger trains. Conceived in 2004-2005, planning began in 2006, and in 2007 initial proposals have been drawn up. The entire DFC project will include 2,700km or so of exclusive freight lines (new construction),

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What are CONTRACK trains? And ConRaj trains? And CARTRAC?
July 18, 2019

Recently CONCOR has begun running some fast (up to 100km/h) guaranteed delivery container freight trains on certain routes (35 rail corridors have been identified as suitable for such service). The rakes consist of 5-wagon groups of flat cars; the flat cars are low flat cars which allow loading 'Tallboy' containers. A particular freight service

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Who carries container traffic in India?
July 18, 2019

Most rail container traffic in India is handled by CONCOR (the Container Corporation of India) which until recently was the only such organization. CONCOR is a public-sector concern, but it maintains its own fleet of wagons and other assets that are separate from IR's, although the traffic moves on IR's tracks. Recently the government has given

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