Diesel engine tester

The utility model discloses a diesel engine tester, which relates to the technical field of diesel engine testing, and comprises an upper shell, a lower shell and an engine body, a hinge is arranged between the upper shell and the lower shell, the upper shell and the lower shell are rotatably connected, the other end of the upper shell and the other end of the lower shell are fixedly provided with a buckle lock and an anti-static handle, and the buckle lock and the anti-static handle are fixedly connected with the engine body. A wiring connector is fixedly installed on the back side of the upper shell, a control main board is fixedly installed in the lower shell and electrically connected with an external power source through the wiring connector, a display panel is embedded in the control main board, and a diagnosis interface, an accelerator switch, a start-stop switch and a state indicator lamp are fixedly installed on the control main board. The diagnosis interface, the accelerator switch, the start-stop s