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Karcher HD 9/18-4 Cage Classic High Pressure Washer


The Karcher HD 9/18-4 Cage Classic High Pressure cleaner scores highly with a flow rate of 900 litres per hour, crankshaft pump with a ceramic piston, optimal sealing technology and long service intervals.


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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.



Technical data

Current type (Ph/V/Hz) 3 / 400 / 50
Flow rate (l/h) 450 – 900
Working pressure (bar/MPa) 70 – 180 / 7 – 18
Max. pressure (bar/MPa) 250 / 25
Connection load (kW) 5.9
Weight (kg) 55
Dimensions (L × W × H) (mm) 625 x 500 x 360



  • Spray gun, standard
  • High-pressure hose, 10 m
  • Spray lance, 600 mm
  • Power nozzle
  • Crankshaft pump with ceramic pistons

Features & Benefits

Long-lasting and reliable

  • 4-pole electric motor. Brass cylinder head and ceramic piston. Reliable crankshaft pump with an additional thermostat valve.

Robust and secure

  • Robust tubular frame construction guarantees optimum protection of the machine. Built-in handles for transport.

Easy to service

  • Excellent access to all relevant components. Large water inlet filter for easy servicing.


  • The machine can be attached to the floor or the wall.
  • Practical trigger gun storage with auto off function (Total Stop optional).


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