Diesel engine fire pump set as a fixed fire extinguishing equipment has been widely used in fire diversion, especially for fire water supply in unexpected situations such as no power supply or abnormal power supply (mains power). The pumps equipped in the unit are horizontal single-stage and multi-stage fire-fighting special pumps produced by our company, and the diesel engines equipped are 495, 4135, X6135, 12V135 and other series models produced by key enterprises in the domestic internal combustion engine industry. Other diesel engines can also be configured as power engines. It is mainly composed of diesel engine, fire pump, connecting device, fuel tank, radiator, battery pack, intelligent automatic control panel, etc.