Abstract: A wagon for hauling earth, ore, and like materials is connected to a tractor by a gooseneck. The front wall of the wagon comprises an ejector and hydraulic cylinder-piston devices are secured substantially centrally of the wall and to the gooseneck for effecting ejection. A power-operated tail gate at the rear of the wagon secures an overlying mud gate in closed position for travel.

Abstract: A trailer to be towed by a tractor is provided with structure for raising or lowering wheels relative to the trailer bed in accordance with the type of terrain to be traversed. Structure also is provided for shifting the wheels toward and away from one another transversely of the trailer bed and generally axially of the wheels to provide greater or lesser lateral stability in accordance with the roadway or terrain to be traversed.

Abstract: The present invention is concerned with a trailer for carrying military tanks and convertible for carrying general cargo. The carrier is provided with a floor which has the rear portion raised about a front pivot for loading of tanks, which rear floor portion then is lowered about said front pivot to carrying position in order that the carrier might be stable with a tank in place and in order that the carrier and tank together might provide a low profile. A removable floor bolts in place for the carrying of general cargo.