DESCRIPTION 1981 Progress Industries Liquid Transport Trailer (GP4816, Unit 106555), 1981 Progress conical stainless steel liquid transport trailer, tandem axle, spring suspension, Honda GX390 electric start gas motor, Banjo self-priming centrifugal pump, side ladder, 11R24.5 tires. Serial Number: B31574 Notes: Pinhole leak. PLEASE ALLOW AT LEAST 90 DAYS FOR TITLE TRANSFER.