1.Vacuum suction. 2.sewage water transport 3.20 to 35 cbm available 4.OEM offered 5.Made by Carbon steel or Stainless steel This Vaccum suction tanker trailer is suitable for suction,transportation and dumping soil and mud from various sewer man-hole,water wells and sediment.It is necessary tool for city sanitation department,waste processing company,big factory……,it can help to clean the sewer ...