The present invention is directed to a rigid cover for a dump trailer tank having a storage region with an open top used to transport bulk material. The rigid cover includes cover side walls having a top wall perimeter and a bottom wall perimeter and is configured along the bottom wall perimeter to correspond in shape with the open top of the trailer tank. The rigid cover includes a cover top connected to the cover side walls along the top wall perimeter and includes one or more ports in the top. The rigid cover includes cover fasteners mounted along the bottom wall perimeter configured to secure the plurality of cover side walls to the trailer tank so the traditional storage region of the trailer tank is transformed into an expanded storage region that allows storage of more bulk material than could otherwise be stored in the trailer tank alone.

A commodity tank support device mounts a commodity tank of a work vehicle on an end portion of a drive axle assembly of the work vehicle. The tank support device includes a main body portion defining an elongate opening extending along an axis of the main body portion and configured to receive the end portion of the drive axle assembly extending through the opening, a first mounting portion defining an axle mounting portion including an axle coupling member configured for selective fastening with a corresponding axle mounting structure on the end portion of the drive axle assembly, and a second mounting portion defining a commodity tank mounting portion of the commodity tank support device including a commodity tank coupling member configured for selective fastening with a corresponding commodity tank mounting structure of the commodity tank of the associated work vehicle.

A work vehicle and a commodity tank configured for mounting on a work vehicle and storing material are provided. The commodity tank includes an inboard portion extending vertically and configured to be positioned at an inboard location of the work vehicle. The commodity tank further includes an outboard portion extending horizontally from an upper end of the inboard portion and configured to extend at least partially over a ground-engaging member of the work vehicle.

An aerodynamic curtain assembly for use with a tank trailer illustratively includes a front nose assembly, and opposing first and second side assemblies. The front nose assembly illustratively includes a front support coupled to the tank trailer, and a flexible air deflector screen coupled to the support and extending arcuately from a first upright supported by a first side of the tank trailer to a second upright supported by a second side of the tank trailer. Each of the side assemblies illustratively includes an upper support member, a lower support member, an upper coupler securing the upper end of a flexible air deflector screen to the upper support member, and a lower coupler securing the lower end of the flexible air deflector screen to the lower support member.

A towable fluid storage tank trailer comprising a cylindrical horizontal storage tank with a cylindrical walled outer structure with ends creating an inner cavity with an external fluid connection and access point to the inner cavity, a tank support structure substantially surrounding and engaging the underside of the tank and the tank disposed within a support structure, tank coupling members engaging the topside and securing the tank in a desired position on the trailer assembly, and towable trailer assembly with skids, longitudinal retention members, lateral retention members, a kingpin for engaging the tow vehicle, and a rear wheel axle assembly whereby the storage tank is horizontally disposed within the tank support structure and is removably coupled to the support structure that is rigidly affixed to the towable trailer assembly where various types of caustic and non-caustic fluids are filled and transported.

An integrated fracking system includes a substructure assembly including one or more frame rails. The integrated fracking system includes a pump subsystem having a frac pump and a motor. The pump subsystem is coupled to the frame rails of the substructure assembly. The integrated fracking system includes a variable frequency drive, a transformer, and a cooling subsystem, each coupled to the frame rails of the substructure assembly.

A transport system for hauling non-hazardous bulk liquids via dry van with a trailer that contains two or more deflatable, flexible bladder tanks that are pressure tested and welded to the trailer bed of the dry van. The bed is pre-lined to avoid puncture. Upon delivery to its destination, the flexible, deflatable bladder tanks are drained completely and deflated, ready for re-use.

A structurally supportive belly pad is connected to a rounded trailer and configured to support the same near the rear end of the trailer. The belly pad may be arcuately curved complementary to the curvature of the rounded trailer. However, if the belly pad were laid flat, it includes a pair of parallel legs aligned in a generally longitudinal direction with a plurality of transverse ribs extending therebetween. The shape of the belly pad is configured to provide structural support for the trailer which is beneficial especially when the trailer is raised and lowered, typically through hydraulic mechanisms.

The present invention comprises a multi-featured trailer designed with transporting hazardous material in mind. The trailer design allows a driver without a hazardous materials transport license or commercial driver's license to legally transport the trailer when it contains hazardous material. It includes a unique hand-rail and bracket system designed to allow the trailer to employ standard sized rails which provides structural support and economic advantage. Further, the inventive trailer features means to accommodate several different tanks together or alone, comprising different capacities and sloped bottoms, in addition to tools and/or machines while employing the same frame, axles and wheels. Employing the inventive design further allows each tank trailer to be assembled to order providing a significant manufacturing advantage.

A storage tank assembly for a work vehicle includes a frame assembly configured to couple to a structure of the work vehicle. The storage tank assembly also includes a storage tank configured to store a liquid. The frame assembly is configured to support the storage tank on the structure of the work vehicle. In addition, the frame assembly is configured to position a first portion of the storage tank above a wheel assembly of the work vehicle, the first portion of the storage tank is contoured to substantially match a curvature of the wheel assembly, and the frame assembly is configured to position a second portion of the storage tank laterally inward of the wheel assembly such that the second portion of the storage tank extends within a vertical extent of the wheel assembly.