A system and/or device for handling waste collection containers and emptying their content, particularly for differentiated waste collection, characterized in that there are provided: first means (5, 8, 9) for the horizontal translation and the support of a hooking member (10; 33) for a waste container (23); second means (4, 4', 6, 6', 7) for the vertical translation of said hooking member (10; 33); third means (2, 2', 4, 4') for housing said vertical translation means (4, 4', 6, 6', 7); fourth means (11, 12) for producing the rotation of said hooking member (10; 33) in a horizontal plane.