DCS CAD Cart Leveling Legs CADLVL. CAD-LVL. Grill Carts & Bases. The DCS Cart Leveling Legs are for use with all CAD carts. Use the leveling legs for adequate weight distribution and stability when your CAD grill carts is used as a permanent grill island. These legs attach to the bottom of the CAD carts in place of the casters. They are adjustable in height from 4 to 5-1/2. 4 Legs total.