a bulldozer or the like into hopper 17 the refuse compaction trailer in fig2 includes an elongate body 23 supported at its rear end on ground engaging rear wheels 24 and at its front on a landing gear 25 the body of the trailer 23 includes a pair of side walls 26 upstanding from a floor 28 a rear portion 29 of the floor 28 projects rearwardly beyond the rear extremity of the top wall of the trailer the side walls 26 of the body extend rearwardly and form sloped side walls 52 which enclose the rear portion 29 of the floor of the trailer the sloped walls 52 define an opening in the rear of the trailer through which the refuse is loaded into the body 23 refuse is ejected from the trailer by a hydraulic cylinder 31 and movable ejection plate 32 at the front of the trailer in the refuse transport vehicle shown in the drawings rear wheels 24 are supported on dual axles the support point at which the load at the rear of the vehicle is supported is vertically above a site midway between dual axis in lighter duty vehicles having only a single rear axle the load support point at the rear of the vehicle is vertically above the single axle as can be seen in fig3 the outer limit of travel of packing head 18 is forward of the support point provided by the rear axle and wheels the rear wheels 24 are located under floor portion 29 to reduce load distribution on the rear wheels the packer 12 extends over the rear portion 29 as seen in fig3 to the same relative position as the packer.