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  2. Rotary car dumper - Wikipedia

    en.wikipedia.org/wiki/Rotary_car_dumper

    Rotary car dumper. Rotary Railcar Dumper at 45-Degree Rotation. 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.

  3. Hopper car - Wikipedia

    en.wikipedia.org/wiki/Hopper_car

    A hopper car (US) or hopper wagon (UIC) is a type of railroad freight car that has opening doors 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. [2][3][4] The hopper car was developed in parallel with the development of automated ...

  4. Gondola (rail) - Wikipedia

    en.wikipedia.org/wiki/Gondola_(rail)

    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 gondolas. Using a gondola, the railroads are able to haul a larger amount of coal per car since gondolas do not include the equipment needed for unloading.

  5. Hulett - Wikipedia

    en.wikipedia.org/wiki/Hulett

    Discharging the travelling hopper's load into a waiting hopper car. The electrically powered Hulett unloader rode on two parallel tracks along the docks, one near the edge and one further back, ordinarily with four railroad tracks in between. Steel towers, riding on wheeled trucks, supported girders that spanned the railroad tracks.

  6. Ralston Steel Car Company - Wikipedia

    en.wikipedia.org/wiki/Ralston_Steel_Car_Company

    Joseph S. Ralston and Anton Becker founded the Ralston Steel Car Company in 1905 by purchasing the plant of the Rarig Engineering Company on the east side of Columbus. Becker had just patented a drop-bottom gondola car which would allow the automatic unloading of coal and ballast cars ( hopper cars ). Prior to this invention, cars were unloaded ...

  7. Rail freight transport - Wikipedia

    en.wikipedia.org/wiki/Rail_freight_transport

    A long grain train of the Union Pacific Railroad crossing a bridge in Washington state, United States. Freight trains wait for departure in Zhengzhou, China. Rail freight transport is the use of railways and trains to transport cargo as opposed to human passengers. A freight train, cargo train, or goods train is a group of freight cars (US) or ...

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