View 15 Photos View 0 Videos 2005 Ring-O-Matic 550 Vacuum Excavation Unit Newly Listed At auction Sep. 23 2005 Ring-O-Matic 550 Vacuum Excavation Unit, s/n 550SJSM5005, Cat/Perkins Turbo Diesel, (Not Running, Condition Unknown) (Reads 410 hours) NOTE: This unit is being sold AS IS/WHERE IS via... ConditionUsedUsage410 HoursStock NumberWF550 MLS Number14607607CategoryVacuum Excavators Last Updated9/16/2026 LocationWest Palm Beach, FL, US Listed ByJJ Kane Auctions Email Seller Save More Info