DirectoryTransportationT6600 Thru Sill Covered Hopper CarAmerican Railcar Ind. Inc. Ideally suited for distilled dry grains Custom built with a variety of loading hatches and discharge outlets Enhanced design for optimum loading, unloading and cleaning Request More Info Fill out the form below to request more information about T6600 Thru Sill Covered Hopper CarMore From American Railcar Ind. Inc.T5200 Thru Sill Covered Hopper Car