HDS 12/18-4 S Classic 10716290 https://www.kaercher.com/my/professional/high-pressure-cleaners/hot-water-high-pressure-cleaners/super-class/hds-12-18-4-s-classic-10716290.html

High pressure washer HDS 12/18-4 S Classic

The powerful HDS 12/18-4 S Classic hot water high-pressure cleaner offers a high flow rate and optimised burner engineering for economical operation.

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HDS 12/18-4 S Classic : this entry-level machine in the super class of Kärcher hot water high-pressure cleaners is characterised by a high water flow rate, meaning that it can even be operated with a second spray lance. The high-pressure cleaner is intuitive to operate and transport, and thanks to the eco!efficiency mode, optimised burner engineering and precise cleaning agent dosing, it is also highly efficient and environmentally-friendly. The patented nozzle technology, 3-piston axial pump with ceramic pistons and the turbo blower, among other features, ensure an outstanding cleaning performance, while operational safety is guaranteed at all times by precise exhaust monitoring. The robust, corrosion-resistant chassis can also withstand tough applications easily and is simply and conveniently constructed. This allows easy access to all of the important components and ensures that operating datacan always be retrieved easily.

Features and benefits
High pressure washer HDS 12/18-4 S Classic: High efficiency
High efficiency
In the eco!efficiency mode the machine operates in the most economical temperature range (60°C) – with full water flow. The burner cycles are optimised to reduce fuel consumption by 20% compared to full-load operation.
High pressure washer HDS 12/18-4 S Classic: Reliability
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.
High pressure washer HDS 12/18-4 S Classic: Maximum efficiency
Maximum efficiency
Highly efficient, tried-and-tested burner technology. 4-pole electric motor with 3-piston axial pump.
  • Spacious storage compartment for cleaning agents, gloves or tools.
  • Within easy reach for left-handed/right-handed operators and ideal for two-spray lance operation.
Cleaning agent dosing unit
  • Precise dosing valve ensures low consumption.
  • Easy changeover between cleaning agent tanks 1 and 2.
  • Rinsing takes place automatically in the 0 position.
LED display
  • Clearly arranged centrally at the control panel (HDS 13/20)
  • Filling level indicators for fuel, cleaning agent and system care.
  • Integrated elapsed time counter.

Technical data

Supply voltage (Ph) 3 - 400 - 50
Flow rate (l/h) 600 - 1200
Working pressure (bar/MPa) 30 - 180 / 3 - 18
Max. temperature (supply 12°C) (°C) 80 - 155
Connection load (kW) 8,4
Heating oil or gas consumption, full load (kg/h) 7,7
Fuel tank (l) 25
Weight (kg) 178
Dimensions (L × W × H) (mm) 1330 x 750 x 1060


  • Spray gun, Easy Press trigger gun
  • Spray gun with soft grip
  • Pressure hose, 10 m
  • Spray lance, 1050 mm
  • Power nozzle
  • Steam nozzle
  • Anti-twist system
  • 3-piston axial pump, With ceramic pistons
  • Pressure cut-off
  • Optional two-spray lance operation
  • Soft Damping System (SDS)
  • Service control
  • Service electronics
  • Two cleaning agent tanks
  • Dry-running protection
High pressure washer HDS 12/18-4 S Classic
High pressure washer HDS 12/18-4 S Classic
High pressure washer HDS 12/18-4 S Classic
High pressure washer HDS 12/18-4 S Classic
High pressure washer HDS 12/18-4 S Classic
High pressure washer HDS 12/18-4 S Classic
Application areas
  • Vehicle cleaning
  • Equipment and machine cleaning
  • Workshop cleaning
  • Cleaning outside areas
  • Service station cleaning
  • Facade cleaning
  • Swimming pool cleaning
  • Cleaning sport facilities
  • Cleaning in production processes
  • Cleaning production systems
Cleaning agents