A working vehicle comprising: hydraulic motors (Mr, Mr) configured to drive left and right rear wheels (21, 21); and a hydraulic pump unit configured to supply pressure oil to rotate the respective hydraulic motors (Mr, Mr), wherein the rear wheels (21, 21) are supported at both sides of a wheel support frame configured to oscillate around a shaft center of a front-rear direction; and the hydraulic pump unit is arranged above the wheel support frame, the working vehicle further includes: a mower that harvests lawns; a blower that conveys the mowed lawns; a collector that accommodates therein the mowed lawns; a mower lifting hydraulic cylinder mechanism configured to lift up and down the mower; and a lifting cylinder mechanism and a dump cylinder mechanism of the collector; characterized by a gear pump comprising gear pump parts (55a, 55b); wherein a pump shaft of the gear pump is driven by receiving the rotating power of the pump input shaft of the hydraulic pump unit; one gear pump part supplying pressure oil to a hydraulic PTO clutch, which is provided on a power transmission path facing the mower and a hydraulic blower clutch, which is provided on a power transmission path facing the blower; and the other gear pump part supplying pressure oil to a steering hydraulic cylinder mechanism, the mower lifting hydraulic cylinder mechanism, the lifting cylinder mechanism and the dump cylinder mechanism of the collector. hydraulic motors (Mr, Mr) configured to drive left and right rear wheels (21, 21); and a hydraulic pump unit configured to supply pressure oil to rotate the respective hydraulic motors (Mr, Mr), wherein the rear wheels (21, 21) are supported at both sides of a wheel support frame configured to oscillate around a shaft center of a front-rear direction; and the hydraulic pump unit is arranged above the wheel support frame, the working vehicle further includes: a mower that harvests lawns; a blower that conveys the mowed lawns; a collector that accommodates therein the mowed lawns; a mower lifting hydraulic cylinder mechanism configured to lift up and down the mower; and a lifting cylinder mechanism and a dump cylinder mechanism of the collector; characterized by a gear pump comprising gear pump parts (55a, 55b); wherein a pump shaft of the gear pump is driven by receiving the rotating power of the pump input shaft of the hydraulic pump unit; one gear pump part supplying pressure oil to a hydraulic PTO clutch, which is provided on a power transmission path facing the mower and a hydraulic blower clutch, which is provided on a power transmission path facing the blower; and the other gear pump part supplying pressure oil to a steering hydraulic cylinder mechanism, the mower lifting hydraulic cylinder mechanism, the lifting cylinder mechanism and the dump cylinder mechanism of the collector. a mower that harvests lawns; a blower that conveys the mowed lawns; a collector that accommodates therein the mowed lawns; a mower lifting hydraulic cylinder mechanism configured to lift up and down the mower; and a lifting cylinder mechanism and a dump cylinder mechanism of the collector; characterized by a gear pump comprising gear pump parts (55a, 55b); wherein a pump shaft of the gear pump is driven by receiving the rotating power of the pump input shaft of the hydraulic pump unit; one gear pump part supplying pressure oil to a hydraulic PTO clutch, which is provided on a power transmission path facing the mower and a hydraulic blower clutch, which is provided on a power transmission path facing the blower; and the other gear pump part supplying pressure oil to a steering hydraulic cylinder mechanism, the mower lifting hydraulic cylinder mechanism, the lifting cylinder mechanism and the dump cylinder mechanism of the collector. one gear pump part supplying pressure oil to a hydraulic PTO clutch, which is provided on a power transmission path facing the mower and a hydraulic blower clutch, which is provided on a power transmission path facing the blower; and the other gear pump part supplying pressure oil to a steering hydraulic cylinder mechanism, the mower lifting hydraulic cylinder mechanism, the lifting cylinder mechanism and the dump cylinder mechanism of the collector.