With a water volume of about 900 litres per hour, the Karcher HD 9/18-4 Cage Classic High Pressure Washer is the most powerful high-pressure cleaner in the HD Cage Classic range. This three-phase machine with 4-pole motor is designed for continuous operation and maximum cleaning performance and features a wide range of high-quality, long-lasting components, such as the crankshaft pump with ceramic piston or sophisticated sealing technology. This robust high-pressure cleaner also features a sturdy frame construction for effective protection against external influences. The intelligent operating concept ensures convenient and safe operation. The option to mount the machine on the wall is a practical, work-alleviating feature. In addition, all relevant components are easily accessible and maintenance-friendly. The long service intervals of the HD 9/18-4 Cage Classic round off the features of this highly reliable and powerful machine.