High-pressure washer HD 9/20-4 Classic

The HD 9/20-4 Classic is the top model in Kärcher’s HD Classic range, offering impressive cleaning power with a water flow rate of 900 l/h. Designed for continuous, heavy-duty use, this three-phase high-pressure cleaner is both durable and efficient, featuring ceramic pistons, robust construction, and intuitive operation for superior performance in tough environments.
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The HD 9/20-4 Classic is Kärcher’s most powerful high-pressure cleaner in the HD Classic range, engineered for the toughest cleaning challenges. Operating with three-phase current, this machine delivers an outstanding 900 liters per hour water flow and working pressure of up to 200 bar, ensuring quick and thorough cleaning of large areas. Ideal for industrial and commercial applications, this high-pressure cleaner is designed for continuous use, featuring high-quality components like ceramic pistons and extra-large crankshafts for extended durability and reduced wear.

Its compact and lightweight design, combined with large wheels and an ergonomic push handle, allows for excellent mobility, even in tight spaces. The foldable handle ensures space-saving storage, while the ample on-board storage keeps your nozzles, lance, and accessories organized. Maintenance is made simple with the machine’s wide-opening cover, providing easy access to essential components, and a large water fine filter protects the pump, further extending the machine’s service life.

Additionally, Kärcher’s patented power flat jet nozzles provide up to 40% more impact force compared to standard nozzles, improving cleaning performance and reducing the time needed for thorough dirt removal. This efficiency translates into cost savings, making the HD 9/20-4 Classic a highly productive cleaning tool.

  • Durable and Robust:
    • Equipped with extra-large crankshafts and ceramic pistons to minimize wear and tear.
    • High-performance sealing packages ensure longer operational times.
    • Robust ball bearings for extra durability in continuous heavy-duty use.
  • Especially Easy to Maintain:
    • Features a wide-opening machine cover for easy access to service and maintenance components.
    • A large water fine filter offers optimal protection of the pump, reducing maintenance costs and downtime.
    • Integrated nozzle storage ensures accessories are always organized and ready to use.
  • Improved Cleaning Performance:
    • Kärcher’s patented power flat jet nozzles deliver up to 40% more impact force, providing superior dirt removal and quicker cleaning times.
    • High area coverage allows for faster cleaning over larger surfaces.
  • Excellent Mobility:
    • Large wheels and an ergonomic push handle ensure easy maneuverability, even in confined spaces.
    • The foldable push handle allows for compact storage, making it ideal for transport and space-saving.
Technical Data Details
Supply Voltage 3 / 400 / 50 (Ph/V/Hz)
Flow Rate 520 – 900 l/h
Inlet Temperature 60°C
Working Pressure 70 – 200 bar / 7 – 20 MPa
Max Pressure 240 bar
Connected Load 6.9 kW
Colour Anthracite
Weight (with Accessories) 56 kg
Dimensions (L x W x H) 709 x 469 x 1000 mm

Scope of Supply:

  • Spray Gun: Standard
  • High-Pressure Hose: 10 m, ID 8, 315 bar
  • Stainless Steel Spray Lance: 600 mm
  • Power Nozzle
  • Anti-Twist System
  • Pressure Switch-Off
  • Crankshaft Pump with Ceramic Pistons

Equipment:

  • Anti-twist system
  • Pressure switch-off
  • Crankshaft pump with ceramic pistons

Application Areas:

  • Suitable for industrial and commercial cleaning applications requiring high water flow and pressure.
  • Ideal for cleaning large areas, machines, vehicles, and other tough surfaces.
  • Perfect for factories, workshops, and other high-demand environments where durable, reliable cleaning equipment is essential.

The HD 9/20-4 Classic delivers maximum performance, durability, and efficiency for professional-grade cleaning tasks, providing an excellent solution for heavy-duty cleaning operations.

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High-pressure washer HD 9/20-4 Classic