Load cars, pickup trucks, and wheeled equipment into a box trailer or dry van with confidence. The heavy duty dry van loading system includes four loading ramps and adjustable-height center support stands for loading vehicles up to 5,000 lbs. per axle quickly and easily. This modular ramp system is available as a kit two independent center stands that can be adjusted infinitely. This center stand design can be raised and lowered, allowing you to add a center arch to the ramps for greater clearance when loading lower vehicles.