Credit Accounts Available
Trade customer? Apply for a credit account
We're here for you
Have a question? Call us on 0800 021 7820

High-Pressure Washer HDS 12/18-4 SX.

Product Code: 10719250
SKU: 1.071-925.0
£4,623.15 exc. VAT

Select Type

This hot water high-pressure cleaner from Kärcher's new Super Class stands out from the crowd thanks to its variety of equipment, excellent performance, and efficiency. For example, the HDS 12/18-4 SX has an integrated hose reel with a 20-meter high-pressure hose. Some of the features that deliver the outstanding cleaning results include patented nozzle technology, ceramic piston, turbo blower, increased pump efficiency, and application-optimized accessories. Furthermore, the innovative eco!efficiency mode and other performance features, such as a precise detergent dosing unit and optimized burner engineering, ensure maximum efficiency and environmentally friendly operation of a machine whose simplicity of use and high mobility makes life really easy for its users. All maintenance and service work is also easy, thanks to easily retrievable operating data and easy-to-access components.

Features and benefits
High efficiency
  • In eco!efficiency mode, the machine operates in the most economical temperature range (60 °C) with full water flow.
  • The burner cycles are optimized to reduce fuel consumption by 20% compared to full-load operation.
  • The Soft Damping System (SDS) compensates for vibration and pressure peaks in the high-pressure system.
  • Large, easy-to-reach water fine filter for protecting the pump against dirt particles in the water.
  • Machine operational data (duration of use and required service intervals) can be retrieved.
Maximum efficiency
  • Proven and highly efficient burner technology.
  • 4-pole electric motor with 3-piston axial pump.
  • Water-cooled motor for high performance and a long service life.
  • Handy for left-handed and right-handed people.
  • Precise dosing valve ensures low consumption.
Detergent dosing
  • Easy to switch between detergent tank 1 and 2.
  • Automatic rinsing at zero positions.
Save time and energy: EASY!Force high-pressure gun and EASY!Lock quick-release fasteners
  • EASY!Lock quick-release couplings: durable and robust, and five times faster than screws.

Technical data

Supply voltage (Ph/V/Hz) 3 / 400 / 50
Flow rate (l/h) 600 - 1200
Working pressure (bar/MPa) 30 - 180 / 3 - 18
Temperature (for supply 12 °C) (°C) min. 80 - max. 155
Consumption of heating oil or gas at full load (kg/h) 7.7
Consumption of heating oil in eco!efficiency mode (kg/h) 6.2
Connected load (kW) 8.4
Power cable (m) 5
Fuel tank (l) 25
Weight (with accessories) (kg) 184
Weight incl. packaging (kg) 196
Dimensions (L x W x H) (mm) 1330 x 750 x 1060


  • Spray gun: EASY!Force Advanced
  • High-pressure hose: 20 m, Longlife
  • Spray lance: 1050 mm
  • Power nozzle
  • Integrated HD hose reel
  • Pressure switch-off
  • Pole reverse plug (3~)
  • Soft Damping System (SDS)
  • Service electronics
  • 2 cleaning agent tanks
  • Dry-running protection

Delivery and Returns

Please click on the link below to view our delivery and returns policy

Delivery & Returns

Credit Accounts Available
Trade customer? Apply for a credit account
We're here for you
Have a question? Call us on 0800 021 7820