15 0 2007 Superior RD500 Pup End Dump-Trailer Newly Listed At auction Dec. 17 2007 Superior RD500 Pup End Dump-Trailer, with steel high-side box, barn-door tailgate with air assist, walking-beam suspension, air brakes, pintle drawbar;, quarry service unit (Dump Bed... ConditionUsedStock Number66486 MLS Number14025871CategoryDump Trailers (Semi Truck) Last Updated12/10/2025 LocationDesert Hot Springs, CA, US Listed ByJJ Kane Auctions Email Seller Save More Info