Septic tank truck (also called liquid waste disposal truck , sewage sucking truck , liquid waste sucking truck , sewage suction tank truck , fecal suction car , septic tank vacuum truck , septic removal truck , liquid sewage truck , septic tanker , septic tank pumping , septic tank cleaner , sewage removal , vacuum truck , septic tank ,sewage pump , fecal sludge truck ) is used to collect , transport and discharge dirty water , sludge , septic , etc . such liquid stuff , It is suitable for cleaning the septic tank , cesspit , cesspool , gully , etc . It is widely used in environment and sanitation field .