VTG Rail has a great selection of pressure differential hoppers which are each built with your shipping needs in mind. Each hopper below details a few but important main attributes associated with the car. In addition, each pressure differential hopper has a picture for visual reference. VTG Rail is dedicated to your experience with us being as efficient and productive as possible. In fact, our friendly expert customer service staff is ready to answer any questions and walk you through the process. Please free to contact us at any time. Browse our pressure differential hoppers.