FIFTH WHEEL DUMP CHASSIS FEATURES: TWIN CYLINDER HOIST LIFT CAPACITY OF APPROXIMATELY 40 TONS HEAVY DUTY LEAF SPRING SUSPENSION ELEVATE 40' TRAILERS UP TO 30 DEGREES ELEVATE 60' TRAILERS UP TO 60 DEGREES RECOMMENDED FOR TRAILERS UP TO 45' LONG SHOWN ON 1992 MACK TRUCK FRAME OPTIONS: OUTRIGGERS FOR USE ON UNEVEN SURFACES USES: DUMP BOX VANS OR SHIP CONTAINERS UNITS AVAILABLE FOR PURCHASE OR RENTAL click here to view a schematic drawing