If you transport dry bulk commodities that can be fluidized for unloading then we have you covered on equipment. Our pressure differential covered hopper fleet ranges in size from 2785 Cubic Feet to 5125 Cubic Feet. The closed loop unloading system provides a quick efficient method to move dry products with the assistance of air. All of our Pressure Differential cars are rated to 15 PSI. Our fleet is used to transport cement, bentonite, barite, flour, clay and sand. Currently we have brand new 3250 Cubic Feet cars available for lease.