hopper car


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hopper car

[′häp·ər ‚kär]
(engineering)
A freight car with a permanent roof and a hinged floor sloping to one or more hoppers for discharging contents by gravity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
* Linings require a minimum of SSPC-SP 10, Near-White Blast Cleaning for a hopper car, and SSPC-SP 5, White Metal Blast Cleaning for a tank car.
For example, given that average total hopper car cycle time is sixty days (see Table 1), a 23 percent reduction in Stage 3 car inventory, as demonstrated in Table 7 with a two-day reduction in Stage 2 standard deviation, would reduce overall car requirements by 8 percent.
In the example, changing the hopper car unloading procedure is a work process change.
* Hopper car coatings vary based on the type of cargo and climate (tank car coatings also vary based on the type of cargo).
Wilkey contacted a representative from Martin Engineering, who recommended the company's rugged, air-powered Railcar Openers, which can open even the most stubborn hopper car gate with 2,500 ft.-lb.
However, as railroads become an increasingly attractive alternative to highway transportation because of lower costs and less environmental impact, hopper car sales have already begun to recuperate; so much so that the company has returned to hiring mode.
The Paragould plant began operations in 1995 as a covered hopper car manufacturer with two production tracks.