Abstract: A loading container means comprising a body having horizontal top and bottom walls and vertical side walls providing a storage chamber therein, at least one of said walls providing an opening to said chamber of the body which is enclosed by a door, at least one of the walls is movable for controllably reducing the size of the chamber of the body to confine the material stored therein, and a plurality of wheel units movable between a retracted position and an extended position for movably supporting the body over a supporting surface when in their extended position. The body is of elongated configuration with first and second ends which are respectively provided with wheel units which are selectively actuatable allowing controlled elevating, lowering and leveling of the body.