BendPak RJ9W / 9,000lb Capacity Rolling Bridge Jack / Easy-Roll WheelsBendPaks 9,000 lb. capacity rolling bridge jack is ideal for use on the HDS 18E four post lift, especially if your vehicles have an unbalanced center of gravity. This jack is ideal for heavier trucks and SUVs. With a 14,000 lb. capacity lift, you might think the RJ7W rolling bridge jack is sufficient for your vehicle. However, vehicles that max out a lift's capacity might have offset centers of gravity. In such cases, the RJ7W is not suitable to lift