Can't find the exact PROLINE Lowboy Trailers you need? Post a free Want-To-Buy and get notified when it's available. Explore new and used PROLINE Semi-Trailers for sale near you on MarketBook! Find Attachments for your PROLINE Semi-Trailers. Explore 1 new and used PROLINE Semi-Trailers with prices currently ranging from $84,561 to $84,561.