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Dump Truck Types:* standard rigid frame dump truck -- has a low wheel base and the bed uses a hydraulic lift mechanism in the front to raise the bed and dump the load* articulated dump truck (ATD) -- front chassis for the cab and a separate back chassis for the dumping component with a pivot point* transfer dump truck / slinger truck -- has a rigid dump truck base and a separate trailer with its own dump box* flatbed dump truck -- hydraulic-powered flatbed that tips to dump material used to transport tough or oddly shaped construction materials, landscaping supplies and scrap metal