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These early cars were volume-limited for less dense commodities like grain or sugar, so later designs include longer covered hopper cars with higher sides and three or more bottom bays. [9] Increasing axle load limits have allowed some of the heavier loads formerly assigned to two-bay hoppers to be assigned to larger, more efficient three-bay ...
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The excess height section of the car end is often painted with a white band to be easily visible if wrongly assigned to a low-clearance line. [ 7 ] The internal height of the 86-foot (26.21 m) hicube boxcars originally used in automotive parts service was generally 12 feet 9 inches (3.89 m).
By mid-century, under the leadership of Richard L. Duchossois, the company focused on building specialized freight cars, such as high-cube boxcars for auto parts, all-door boxcars for building products, gondolas, rotary-dump gondolas for coal, bulkhead flatcars and centerbeam flatcars for lumber, double-stack container cars, covered hoppers ...
In 1969, the Northern Pacific Railroad ordered a number of modified covered hopper cars from American Car and Foundry for transporting perishable food in bulk. The 55-foot (16.76 m)-long cars were blanketed with a layer of insulation, equipped with roof hatches for loading, and had centerflow openings along the bottom for fast discharge.
AITX leases and manages over 16,000 tanks and covered hopper cars serving the petroleum, chemical, food, agriculture, fertilizer and plastic pellet markets. The tank cars are used for a variety of liquid and liquified gas commodities such as vegetable oils, asphalt, various chemicals, LPGs and petroleum products.
ACF Industries, originally the American Car and Foundry Company (abbreviated as ACF), is an American manufacturer of railroad rolling stock. One of its subsidiaries was once (1925–54) a manufacturer of motor coaches and trolley coaches under the brand names of (first) ACF and (later) ACF-Brill.
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.