HDS 7/12-4 M Classic 10774160 https://www.kaercher.com/my/professional/high-pressure-cleaners/hot-water-high-pressure-cleaners/middle-class/hds-7-12-4-m-classic-10774160.html

High pressure washer HDS 7/12-4 M Classic

The HDS 7/12-4 M Classic from Kärcher with electric motor, two cleaning agent tanks and service electronics is the ideal entry-level machine in the middle class of hot water high-pressure cleaners.

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Efficient, economical, user-friendly: the HDS 7/12-4 M Classic from Kärcher is a single-phase, heated, entry-level high-pressure cleaner in the middle class. The hot water high-pressure cleaner is fitted with a 4-pole electric motor and offers not only extensive equipment but an ideal balance between outstanding cleaning results and maximum environmental protection. This is ensured on the one hand by the patented nozzle technology, ceramic pistons, turbo blower and increased pump efficiency, and on the other by the unique eco!efficiency mode, precise cleaning agent dosing unit and optimised burner engineering. The machine also offers maximum user-friendliness for you as the operator: the intuitive control panel, LED displays and sophisticated mobility concept simplify operation, handling and transport of the machine. And you will not have to make any compromises when it comes to servicing and maintenance, as all of the components required for maintenance are easily accessible, and operating data can be retrieved at any time using the service switch.

Features and benefits
  • 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.
Maximum efficiency
  • Highly efficient, tried-and-tested burner technology.
  • 4-pole, slow-running electric motor guarantees a long working time.
Operational safety
  • The large, integrated water fine filter reliably protects the high-pressure pump against small dirt particles.
  • An integrated exhaust gas thermostat switches off the drive motor if the emission temperature exceeds 300°C.
  • The Soft Damping System (SDS) compensates for vibration and pressure peaks in the high-pressure system.
  • Safe and ample storage for protective gear, accessories and cleaning agents.
  • Storage hooks for power cord and high-pressure hose.
Mobility concept
  • "Jogger" design with large rubber-tyred wheels and steering roller.
  • Sturdy transport eyelets for safe loading during transport.
  • Integrated tilting aid for effortlessly negotiating obstacles such as steps and kerbs.

Technical data

Supply voltage (Ph) 1 - 230 - 50
Flow rate (l/h) 350 - 700
Working pressure (bar/MPa) 30 - 120 / 3 - 12
Max. temperature (supply 12°C) (°C) 80 - 155
Connection load (kW) 3,4
Heating oil or gas consumption, full load (kg/h) 4,6
Power cable (m) 5
Fuel tank (l) 25
Weight (kg) 146
Dimensions (L × W × H) (mm) 1330 x 750 x 1060


  • Spray gun, Easy Press trigger gun
  • Spray gun with soft grip
  • High-pressure hose, 10 m
  • Spray lance, 1050 mm
  • Power nozzle
  • Steam nozzle
  • Anti-twist system (AVS)
  • Tanks for cleaning agent, calcification protection and fuel can be filled from the outside
  • Control panel with display light
  • Three-piston axial pump, With ceramic pistons
  • Pressure cut-off
  • Service electronics
  • Service electronics with LED display
  • Two detergent tanks
  • Dry-running protection
High pressure washer HDS 7/12-4 M Classic
High pressure washer HDS 7/12-4 M Classic
High pressure washer HDS 7/12-4 M Classic
High pressure washer HDS 7/12-4 M Classic
High pressure washer HDS 7/12-4 M Classic
High pressure washer HDS 7/12-4 M Classic
Application areas
  • Vehicle cleaning
  • Equipment and machine cleaning
  • Workshop cleaning
  • Service station cleaning
  • Facade cleaning
  • Swimming pool cleaning
  • Cleaning production systems
  • Cleaning in production processes
  • Cleaning sport facilities