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A rotary car dumper or wagon tippler (UK) is a mechanism used for unloading certain railroad cars such as hopper cars, gondolas or mine cars (tipplers, UK). It holds the rail car to a section of track and then rotates the track and car together to dump out the contents. Used with gondola cars, it is making open hopper cars obsolete.
A hopper car (NAm) or hopper wagon (UIC) is a type of railroad freight car that has opening doors or gates on the underside or on the sides to discharge its cargo. They are used to transport loose solid bulk commodities such as coal , ore , grain , and track ballast .
Cart from 16th century, found in Transylvania A dumper minecart used in the Basque Country, currently at the Minery Museum.. A minecart, mine cart, or mine car (or more rarely mine trolley or mine hutch) is a type of rolling stock found on a mine railway, used for transporting ore and materials procured in the process of traditional mining.
A merry-go-round train, often abbreviated to MGR, is a block train of hopper wagons which both loads and unloads its cargo while moving. In the United Kingdom , they are most commonly coal trains delivering to power stations .
Vacuum-braked 21 ton coal wagon being loaded from a hopper at Blaenant Colliery, bound for Aberthaw Power Station, c.October 1965. The basic wagon had numerous variants. On creation of British Railways (BR) in 1948 - which took control of all railway assets, including all private owner wagons - the new organisation inherited 55,000 original MoT wagons, they were all given a "B" prefix in their ...
A bathtub gondola passing through Rochelle, Illinois, in 2005. In the second half of the 20th century, coal haulage shifted from open hopper cars to high-sided gondola cars, which allowed a larger amount of coal per car since gondola cars do not include the equipment needed for unloading.
A hopper barge is a type of barge commonly designed to transport commodities like coal, steel, rocks, sand, soil and waste. [1] 'Hopper barge' can also refer to a barge that dumps cargo at sea. These are now commonly called 'split hopper barge', because they split along the length of the hull. Split hopper barges can be non-propelled or self ...
The term bulk carrier has been defined in varying ways. As of 1999, the International Convention for the Safety of Life at Sea defines a bulk carrier as "a ship constructed with a single deck, top side tanks and hopper side tanks in cargo spaces and intended to primarily carry dry cargo in bulk; an ore carrier; or a combination carrier."