Roura Material Handling is the original producer of the Self-Dumping Hopper. Founded in 1915, Roura has devoted more time and ... resources to product development than any other hopper manufacturer, maintaining leadership in the industry and keeping the Roura Hopper the top of the line. Our standard Self-Dumping Hoppers are available in over 50 models and sizes up to 10 cubic yards capacity. Models include Durable 1 and 2 ton capacity hoppers, Rugged original standard duty design, Ultimate Strength heavy duty hoppers capable of handling loads up to 10,000 pounds, and Behemoth extra large hoppers with up to 10 cubic yard capacities. A variety of optional equipment and specialty items are also available. Specialty products consist of a premier line of Rotator Boxes, and De-watering, Open Side, Recycling, and Dross hoppers. Of course we also specialize in customizing to your specifications or designing product to meet your needs. read more