Larin TGL-500 Hitch Lift/ Heavy-Duty 12V DC Motorized Truck Hitch Mount, 500 Ibs Capacity For trucks with a tailgate height over 30 inches, a 3-inch hitch riser/extender is required Heavy-duty 12V DC motorized cable module lifts from ground level up to 30.5 inch；the deck plate measures a spacious 30.68 x 27.5 inch standard 2" receiver bar has multiple pin positions for different tailgate depths