Flatbed Dump Bed: Benefits, Uses, and Key Features A flatbed dump bed is designed for jobs where both hauling and dumping are needed. Unlike a closed cargo body, it has an open top. This makes it easier to load large or bulky materials. The dump function adds another advantage. Instead of workers removing material by hand, the body can be raised to let the load slide out. Read More :- https://www.panchit.com/blogs/82486/Flatbed-Dump-Bed-Benefits-Uses-and-Key-Features