Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner

  • 150 bar working pressure with up to 600 L/h flow rate
  • Durable crankshaft pump with brass cylinder head
  • 4-pole low-speed motor for reduced wear
  • EASY!Lock accessory system for faster setup
Finance From $22 Per Week (excl. GST)

*based on a 36 month finance lease

Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner

The Kärcher HD 6/15-4 Classic is a compact yet powerful commercial cold water pressure washer designed for demanding daily cleaning applications. Featuring a robust crankshaft pump, 4-pole low-speed motor and durable industrial construction, it delivers reliable performance for workshops, agriculture, automotive and commercial cleaning environments

Ideal For:

  • Automotive Workshops: Perfect for high-frequency cleaning of workshop floors, vehicle bays, and service equipment.
  • Small to Medium Enterprises: Ideal for maintaining clean, professional-looking storefronts, loading docks, and exterior parking areas.
  • Contract Cleaners: An essential, reliable workhorse for professionals who need consistent power and portability across multiple smaller job sites.

Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner Features

  • Powerful Commercial Cleaning Performance – The HD 6/15-4 Classic delivers up to 150 bar working pressure and 600 litres per hour flow rate, providing excellent cleaning power for vehicles, machinery, workshop floors, outdoor surfaces and industrial equipment.
  • Heavy-Duty Industrial Reliability – Built with a robust crankshaft pump, brass cylinder head and ceramic pistons, the machine is engineered for long service life and dependable daily commercial operation. Ceramic pistons help reduce wear while improving durability in demanding environments.
  • 4-Pole Low-Speed Motor – The durable low-speed motor design reduces vibration and minimises pump wear, helping extend machine lifespan and lower maintenance requirements.
  • Excellent Mobility & Compact Design – Large wheels and an ergonomic push handle improve manoeuvrability across commercial sites while the compact footprint allows easier transport and storage.
  • EASY!Lock Quick Connect Accessories – Kärcher’s EASY!Lock connection system enables quick accessory changes and faster setup, improving productivity on busy worksites.
  • Easy Service Access – The machine is designed for simple servicing, with wide-opening covers and easy access to key maintenance components. The integrated water filter also helps protect the pump from contaminants and debris.
  • Versatile Commercial Applications – Suitable for a wide range of industries and cleaning applications including automotive detailing, workshop cleaning, agriculture, building exteriors, public spaces, fleet washing, industrial equipment cleaning

Technical Information

Type of current (Ph/V/Hz) 1/216-244/50
Connection Output (kW) 3.6
Flow rate (l/h) 450-600
Pressure (bar/MPa) 70-150/7-15
Weight (kg) 51.6

Product Brochure

Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner

Why buy the Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner from CCE?

  • We are the preferred Karcher distributor in WA.
  • We are the Commercial Cleaning Equipment specialists in WA, providing expert advice since 1999.
  • We only sell high quality cleaning equipment that meets your cleaning needs.
  • Free on-site surveys and demonstrations (across most locations). Book a demo here.
  • WA’s only 24 * 7 mobile service team to provide on-site repairs and preventative maintenance.
  • The best team of qualified technicians in WA.

Not the right cleaning machine for you? Have a look at some of our other Pressure Washers below or explore more Karcher cleaning equipment here.

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Karcher HD 6/15-4 Classic Cold Water High Pressure Cleaner

    Hire equipment only available in Perth WA

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