The HD 5/11 P portable high-pressure cleaner impresses with its compact construction style, low weight and outstanding mobility. The machine features a reliable 3-piston axial pump with brass cylinder head. An additional carrying handle eases loading and transport of the machine. The high-pressure cleaner is suitable for vertical and horizontal operation. The practical accessory storage features include a nozzle compartment, screw connections (M18x1.5) for surface cleaners, and a practical rubber strap for securely fastening the high-pressure hose. The automatic pressure relief system impresses by offering clear advantages: It protects the components and increases service life. it lowers the repair and maintenance costs. And it ensures significantly decreased exhaust gas vacuum from the high-pressure trigger gun for comfortable working. The extendable push handle reduces work times during storage and transport as well as space requirements.