Abstract: An over the road trailer has a main frame and an extensible sub-frame for increasing the length thereof by forming a ramp on one end of the trailer when the other end is elevated by an integral lifting mechanism whereby a building such as a single car garage or a portion of a multi-car garage can be moved up the ramp and trailer, secured thereto and transported to a new location and unloaded.

Abstract: The frame of the chassis includes pairs of beams projectable forwardly and rearwardly, respectively from a center frame section on which a load-carrying body is mounted. The forward beam pair and the rear beam pair are projected from the center section corresponding distances by hydraulic jacks connected respectively between such beam pairs and the central section. The jacks are connected to transfer fluid between them, and fluid under pressure is supplied to the jacks to extend one jack and to contract the other jack simultaneously.

Abstract: A portable trailer equipped with a rotatable bed plate hinged to the rear of the trailer and normally located within the confines of the trailer sides with a telescopic hydraulic cylinder mounted to the underside of the front of the bed plate and to the trailer frame so as to elevate the bed plate for dumping the contents of the bed. A gasket is mounted along the side and front edges of the bed plate so as to prevent material on the bed plate from falling off the side and front edges of the bed plate.

Abstract: A vehicle trailer of the fifth wheel type particularly adapted for attachment to a light towing vehicle such as a pickup truck. The trailer body includes front, rear, and sidewalls and a floor which slopes downwardly to the rear of said trailer body at a substantial angle. The trailer includes a chassis supporting the trailer body, and the chassis includes chassis rails disposed beneath and parallel to the trailer floor. These chassis rails include an upper, forward portion and a lower, rearward portion and a wheel mounting sub-frame disposed beneath the lower, rearward portion of said chassis rails. The attachment arrangement includes a tongue having a rear portion thereof attached to and extending forwardly from the upper, forward portion of said chassis rails, and a tube or the like extending downwardly from a forward portion of the tongue for engaging a fifth wheel or ball on the bed of the towing vehicle.

Abstract: A two wheeled forage box is towed behind a harvesting machine and collects chaff silage or green chop and the like. When full it may be elevated around a hinge point so that it can be dumped into a truck. It has an overhang at the back which helps level the load in the truck and a gravity operated hinged rear door assembly which opens when the box is elevated by a pair of hydraulic piston and cylinder assemblies.

Abstract: An all purpose wagon vehicle for general farm use, including an undercarriage frame on which is provided a dump box having a floor and fixed front and side walls standing thereover, with the dump box being tiltable on the undercarriage frame to discharge whatever it carries rearwardly, and a rear wall closure door which is hinged to the side walls forwardly of the normal upper back edge corners to open only upon the appreciable tilting of the dump box and without ground interference. And, a special latching mechanism operative in the course of tilting the dump box on the frame, to automatically allow the closure door to open or be held closed.

Abstract: A tipping floor for a farm trailer or like vehicle. The floor is supported from and is fast with a cylindrical transverse horizontal member at the rear of the floor. The horizontal member is rotated to tip the floor, which can be tipped to an almost vertical position.