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Karcher HD 6/15-4 Classic High Pressure Washer


Single-phase, compact, strong: the service-friendly Karcher HD 6/15-4 Classic High Pressure cleaner with a 600 l/h water flow, powerful crankshaft pump, ceramic piston and the latest sealing technology.


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Single-phase model with maximum power and a 600 l/h water flow: the user-friendly Karcher HD 6/15-4 Classic High Pressure Washer is synonymous with user-friendliness, compact dimensions, lightweight design and high cleaning efficiency as well as profitability. The high quality components built into our high-pressure cleaners allow for continuous use with impressive durability. The machine also scores with serviceability; all relevant parts are easily accessible. The impressive storage options offer enough space for the nozzle, lance and other accessories.



Technical data

Current type (Ph/V/Hz) 1 / 220 – 240 / 50
Flow rate (l/h) 450 – 600
Working pressure (bar/MPa) 70 – 150 / 7 – 15
Max. pressure (bar) 150
Connection load (kW) 3.4
Weight (kg) 52
Dimensions (L × W × H) (mm) 709 x 469 x 1000



  • Spray gun, standard
  • High-pressure hose, 10 m
  • Spray lance, 850 mm
  • Power nozzle
  • Anti-twist system (AVS)
  • Pressure cut-off
  • Crankshaft pump with ceramic pistons

Features & Benefits

Durable and robust

  • Extra large crankshafts and connecting rods with robust ball bearings. Ceramic pistons for reduced wear and tear. High performance sealing packages for longer working times.

Especially easy to maintain

  • Wide-opening machine cover for easy access to all service and maintenance-relevant components. Large water fine filter for protecting the pump. Integrated nozzle storage.

Improved cleaning performance

  • Patented Kärcher power flat jet nozzles: up to 40 percent more impact force than conventional nozzles. High area coverage and thorough dirt removal.

Excellent mobility

  • Large wheels and ergonomic push handle ensure optimal turning manoeuvrability and easy handling.
  • The foldable push handle enables space-saving storage.

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