48' Thrall 2-Hood Coil Car

Prototype Information

The biggest challenge for railroads and the automobile industry, the primary user of coiled steel, was how to transport it efficiently. In the 1960s, the Ford Motor Company, working with the Detroit Toledo & Ironton and the Chesapeake & Ohio railroads, came up with the design of the coil steel car. The original design was a heavy-duty frame with two 24-foot troughs covered by hoods made of thin steel. The troughs and movable load dividers prevented the coils from rolling side-to-side or sliding while the hoods protected the coils from the weather. Several freight car builders built coil steel cars, including Thrall Car Manufacturing which built these 48-foot, twin hood cars in the 1980s and 1990s. The first Thrall cars had a 100-ton capacity, but later versions were built to a 125-ton capacity. Wearing the protective hoods on, the car can carry coils up to 7 feet in diameter. They can carry coils up to 10 feet with the hoods removed. The flat-top hoods from the first designs have been replaced with a rounded top design that is both easier to manufacture and is stronger.

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