Abstract: A dry goods bulk trailer for transporting fluidic dry goods includes a frame supported on rear wheels and arranged for connection at a front end to a towing vehicle. A containment structure on the frame assembly for supporting the fluidic dry goods therein includes front and rear slope wall assemblies which slope downwardly and inwardly towards centrally located bottom discharge hoppers. Each slope wall assembly includes an inner panel, an outer panel and at least one internal structural member joined between the panels to provide sufficient structural support to enable the slope wall assembly to be only supported on the trailer frame about its perimeter. The inner panel is joined to the structural member without fasteners so that the inner surface thereof is substantially uninterrupted for easier cleanout. The outer surface of the outer panel is uninterrupted by frame members to minimize collection of snow and ice thereon.

Abstract: A dry goods bulk trailer for transporting fluidic dry goods includes a frame supported on rear wheels and arranged for connection at a front end to a towing vehicle. A containment structure on the frame assembly for supporting the fluidic dry goods therein includes front and rear slope wall assemblies which slope downwardly and inwardly towards centrally located bottom discharge hoppers. Each slope wall assembly includes an inner panel, an outer panel and at least one internal structural member joined between the panels to provide sufficient structural support to enable the slope wall assembly to be only supported on the trailer frame about its perimeter. The inner panel is joined to the structural member without fasteners so that the inner surface thereof is substantially uninterrupted for easier cleanout. The outer surface of the outer panel is uninterrupted by frame members to minimize collection of snow and ice thereon.

Abstract: A storage box includes steps thereon for access to a rear deck of a highway truck tractor. A pivotally mounted front door panel selectively spans an access opening at the front of the storage box and supports a middle step thereon for movement with the front door panel between open and closed positions across the access opening. A lower step and an upper step are supported fixedly on the storage box respectively below and above both the front opening and middle step. The configuration of the steps maximises the access opening covered by the front door panel for easy access to the interior of the storage box while furthermore permitting ergonomic spacing of the steps relative to one another so that users can ascend and descend the steps with a safe, comfortable, and uniform stride.