The mobile pump truck, based on the research of domestic and foreign technology again and again, has been developed and successfully applied to the European and American markets. The trailer mounted pump integrates self-priming and non-blocking sewage discharge. It adopts diesel engine to drive axial reflow and external mixing, and through the unique design of pump body and impeller, it does not need to install bottom valve and water diversion when using. The trailer mounted pump can discharge liquids containing large particles of solids and fiber impurities, and can be widely applied to municipal sewage and flood control projects, agricultural irrigation,etc.The trailer mounted pump has the advantages of convenient movement, rapid use, good self-priming performance, strong sewage discharge capacity, high efficiency and energy saving, etc.