If you need lots of storage for your autoloader, but don't want a tunnel box, because of visibility and manuverability, then the corrosion-proof PolyBody® option from Miller Industries is the way to go.
Are you looking for an economical alternative for heavy-duty towing? If so, the second generation DTU™ Gen 2 – (Detachable Towing Unit) is the way to go. The DTU™ Gen 2 by Holmes® lets you take your existing wet line kit on your road tractor and convert it into a tow truck with a 35,000-lb. retracted underlift capacity.