Our construction grade, 20-ton Load Master is designed to haul the heaviest loads under the most rugged conditions. Move rocks, gravel, construction materials and demolition debris with ease. The Load Master offers the functionality and durability that these jobs require. The hydraulic tailgate opens 3’ 7” above the sides for unobstructed dumping. Dump box dimensions: 8’ wide x 16’ long with 3’ high sides.