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A hopper car (NAm) 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 .
Grain hopper trailer. A grain hopper trailer is a trailer pulled by a semi tractor and used to haul bulk commodity products, such as grain.These trailers are used extensively throughout the United States to transport agricultural products as well as any other commodity that can be hauled in bulk and loaded and unloaded through the trailer.
The towing vehicle has a wide coupling plate known as a fifth-wheel coupling bolted onto its chassis, on which the semi-trailer rests and pivots. As the tractor reverses under the trailer, a kingpin under the front of the trailer slides into a slot in the skid plate, and the jaws of the fifth wheel close onto it.
A specialized trailer or truck/trailer combination used for transporting passenger vehicles. [38] [39] Belly dump See bottom dump. A bottom dump trailer Beverage trailer A trailer between 26 feet (7.9 m) and 29 feet (8.8 m) used primarily for the transport of beverages. Colloquially known as a sidebanger, sideloader, or route trailer. Bottom dump
Bulk freight car scales at the MMA Mack Point yard, Searsport, Maine. Hopper cars are freight cars used to transport dry bulk commodities such as coal, ore, grain, track ballast, and the like. This type of car is distinguished from a gondola car (US) or open wagon (UIC) in that it has opening doors on the underside or on the sides to discharge ...
Conventional style cab tractor A cab over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms - see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a wide ...
The hopper can be hydraulically lowered and raised. When the hopper is lowered, the front edge cuts into the soil or clay like a plane and fills the hopper. When the hopper is full (8 to 34 m 3 or 10 to 44 cu yd heaped, depending on type) it is raised, and closed with a vertical blade (known as the apron). The scraper can transport its load to ...
A live bottom trailer is the alternative to a dump truck or an end dump trailer. The typical live bottom trailer has a conveyor belt on the bottom of the trailer tub that pushes the material out of the back of the trailer at a controlled pace. Unlike the conventional dump truck, the tub does not have to be raised to deposit the materials.
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