A trailer assembly suitable for carrying a container of proppant has a frame with a first side rail and a second side rail extending in generally parallel relation to each other and a plurality of wheels rotatably mounted below the frame. The frame has a plurality of cross members extending between the side rails. First and second outriggers extend across the side rails so as to each have one end extending outwardly of one of the side rails and an opposite end extending outwardly of the other side rail. The first and second outriggers are suitable for receiving the container of proppant thereon. The frame has a first section positioned above the wheels and a second section positioned at a level lower than a level of the first section. The proppant container is placed on the first section.

A trailer having a hitch assembly, a deck assembly, an axle assembly and a structural joint positioned between the deck assembly and the axle assembly is provided. The deck assembly having a first support beams and a second support beams supporting decking. The first support beam and the second support beam can have a positive camber. At least one shim plate can be rotatable between a joint position, wherein the at least one shim plate is positioned in the structural joint, and a storage position, wherein the at least one shim plate is rotated out of the structural joint to adjust the amount of camber in the support beams.

A gooseneck extension device that increases the length of the available cargo space on a roll trailer, and enhances the ability to fully utilize the cargo space on a roll on roll off vessel. This results in the ability to carry more cargo per voyage.

An apparatus for pulling travel trailers is disclosed. The apparatus for pulling a travel trailer includes an extension arm and a frame. One end of the extension arm is connected to a ball coupler, and another end of the extension arm is connected to the frame. The ball coupler is to be rotatably coupled to a gooseneck ball located on a towing truck. The frame includes a hitch ball to be coupled to a hitch ball receptacle from the travel trailer. A pair of mounting arms is extended from the frame, and a pair of clamping brackets is rotatably connected to the pair of mounting arms via a pair of hinges, respectively. The clamping brackets are configured to secure to an A-frame of the travel trailer via a set of pins.

A trailer having a hitch assembly, a deck assembly, an axle assembly and a structural joint positioned between the deck assembly and the axle assembly is provided. The deck assembly having a first support beams and a second support beams supporting decking. The first support beam and the second support beam can have a positive camber. At least one shim plate can be rotatable between a joint position, wherein the at least one shim plate is positioned in the structural joint, and a storage position, wherein the at least one shim plate is rotated out of the structural joint to adjust the amount of camber in the support beams.

A lift and tow module for use with a trailer and method of towing a trailer with a truck. The module has an arm having a connection point for securing to a tow vehicle and a lift body having a connection point for securing the lift body to a trailer. The connection point comprises at least two connection mechanisms spaced apart on the main body for connection to corresponding mechanisms on the trailer. A support plate is extendable from and operably supported by the main body and the lift body is movable in reciprocal directions. Mechanical actuators are operably coupled to the body and the arm for controlling respective movement, which allows the module to jack up a trailer, connect to a trailer, and/or tow a trailer.

An apparatus for pulling travel trailers is disclosed. The apparatus for pulling a travel trailer includes an extension arm and a frame. One end of the extension arm is connected to a ball coupler, and another end of the extension arm is connected to the frame. The ball coupler is to be rotatably coupled to a gooseneck ball located on a towing truck. The frame includes a hitch ball to be coupled to a hitch ball receptacle from the travel trailer. A pair of mounting arms is extended from the frame, and a pair of clamping brackets is rotatably connected to the pair of mounting arms via a pair of hinges, respectively. The clamping brackets are configured to secure to an A-frame of the travel trailer via a set of pins.

A gooseneck trailer system with support structures. The trailer system can comprise a gooseneck removably connected to a trailer and a support structure connected to the gooseneck. The support structure can be configured to support the gooseneck when the gooseneck is disconnected from the trailer. In some embodiments, the support structure can comprise at least one support arm connected to a frame of the gooseneck which can be pivoted between a retracted position and at least one deployed position. The present disclosure can also include methods of using the gooseneck trailer system with a tractor such that the support structure abuts against the tractor, safely securing the gooseneck to the tractor.

A bogie for a lowboy trailer includes a rear suspension support assembly configured to carry a suspension system of the lowboy trailer thereunder and a front transition assembly coupled to a front end of the rear suspension support assembly and configured to couple the rear suspension support assembly to a lower deck of the lowboy trailer. At least a portion of the rear suspension support assembly has a closed cross section when viewed along a longitudinal axis of the rear suspension support assembly. At least a portion of the front transition assembly has a closed cross section when viewed along a longitudinal axis of the front transition assembly.

The invention mounts directly to the bumper pull trailer, converting it to a gooseneck pull. The system provides a plurality of mounting brackets, such that the brackets may be easily bolted and pinned to the user's trailer. The system further provides a 7-way trailer plug which may be connected to the trailer harness of the towing vehicle, and a 7-way socket for the corresponding plug from the user's trailer. A gooseneck coupler, which may be installed on the existing bumper hitch of the towing vehicle, is also provided.