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  2. Liquid-hydrogen tank car - Wikipedia

    en.wikipedia.org/wiki/Liquid-hydrogen_tank_car

    The pressure within the tank is 25 psi (170 kPa) or lower [3] [4] with a temperature below 20.27 K (−423.17 °F or −252.87 °C) and a boil-off rate of 0.3% to 0.6% per day [5] The tank is double walled like a vacuum flask with multi-layer insulation, with the valves and fittings enclosed in a cabinet at the lower side or end of the car.

  3. List of railroad truck parts - Wikipedia

    en.wikipedia.org/wiki/List_of_railroad_truck_parts

    An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.

  4. Refrigerator car - Wikipedia

    en.wikipedia.org/wiki/Refrigerator_car

    By 1920, the SRL owned and operated 7,000 of the ice-cooled rail cars. The General American Transportation Corporation would assume ownership of the line in 1930. A builder's photo of one of the first refrigerator cars to come out of the Detroit plant of the American Car and Foundry Company (ACF), built for the Swift Refrigerator Line in 1899

  5. Rotary car dumper - Wikipedia

    en.wikipedia.org/wiki/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.

  6. DOT-111 tank car - Wikipedia

    en.wikipedia.org/wiki/DOT-111_tank_car

    A DOT-111 tank car, specification 111A100W1, constructed by fusion welding carbon steel.This car has a capacity of 30,110 US gallons (113,979 L; 25,071.8 imp gal), a test pressure of 100 psi (690 kPa), a tare weight of 65,000 pounds (29,500 kg) and a load limit of 198,000 pounds (89,800 kg).

  7. Tank car - Wikipedia

    en.wikipedia.org/wiki/Tank_car

    Modern tank cars carry all types of liquid and gaseous commodities Rows of tank cars at a railyard in the Midwestern United States [1]. A tank car (International Union of Railways (UIC): tank wagon) or tanker is a type of railroad car (UIC: railway car) or rolling stock designed to transport liquid and gaseous commodities.