The Kärcher HDS 18/18-4 S is a super-class hot water pressure washer engineered for maximum cleaning performance in the most demanding industrial and commercial environments. Combining extremely high water flow with powerful hot water cleaning capability, this machine is designed for heavy-duty continuous operation in transport, agriculture, construction, manufacturing, and large-scale industrial cleaning applications.

Exceptional High-Flow Cleaning Performance

Delivering up to 180 bar working pressure with an extremely high water flow rate of up to 1800 l/h, the HDS 18/18-4 S is ideal for cleaning large surface areas, heavy machinery, commercial vehicles, production facilities, and industrial equipment quickly and efficiently. The powerful hot water system significantly improves grease and oil removal while reducing detergent consumption.

Durable 4-Pole Water-Cooled Motor

At the heart of the machine is a robust slow-running 4-pole water-cooled electric motor paired with a durable 3-piston axial pump with ceramic pistons. This professional-grade combination provides excellent reliability, reduced wear, and long service life during intensive daily use.

eco!efficiency Mode for Reduced Operating Costs

Kärcher’s innovative eco!efficiency mode operates at an optimised temperature setting of 60°C, reducing fuel consumption and emissions while maintaining excellent day-to-day cleaning performance. This helps lower operating costs without compromising productivity.

EASY!Force Advanced & EASY!Lock Technology

The professional EASY!Force Advanced trigger gun with Servo Control reduces operator fatigue during long cleaning sessions by using recoil force to assist trigger operation. Kärcher’s EASY!Lock quick-connect system enables faster setup and accessory changes compared to traditional threaded fittings.

Built for Intensive Industrial Use

The HDS 18/18-4 S is designed for continuous operation in harsh working environments and includes:

• Efficient “Made in Germany” burner technology
• Twin detergent tanks for flexible chemical application
• Integrated safety and protection systems
• Ergonomic chassis design with excellent mobility
• Large wheels for easy manoeuvrability across uneven surfaces

User-Friendly & Maintenance Friendly

Despite its industrial-scale performance, the machine is designed for practical daily use with intuitive controls, integrated accessory storage, and easy-access service components that simplify maintenance and reduce downtime.

Key Features

• Genuine Kärcher part: 1.030-915.0
• 180 bar working pressure
• Max pressure: 225 bar
• High water flow rate: 900–1800 l/h
• Hot water and steam cleaning capability
• Durable 4-pole water-cooled electric motor
• Robust 3-piston axial pump with ceramic pistons
• eco!efficiency mode for reduced fuel consumption
• EASY!Force Advanced trigger gun with Servo Control
• EASY!Lock quick-connect system
• Twin detergent tanks
• Heavy-duty super-class industrial construction
• Power supply: 400V 3-phase

Ideal For

• Industrial and manufacturing facilities
• Transport and fleet washing
• Construction and heavy plant cleaning
• Agriculture and farm equipment
• Large-scale commercial cleaning applications

• Specification	Value
  Number of current phases (Ph)	3
  Voltage (V)	400
  Frequency (Hz)er Cable	50
  Flow Rate (l/h)	870 – 1730
  Operating pressure (bar/MPa)	50 – 180 / 5 – 18
  Temperature (supply 12°C) (°C)	max. 80
  Power rating (kW)	11
  Consumption of fuel oil at full load (kg/h)	6.5
  Heating oil consumption, eco!efficiency (kg/h)	5.2
  Power cable (m)	5
  Fuel tank (l)	30
  Weight (with accessories) (kg)	210
  Weight incl. packaging (kg)	222.2
  Nozzle size	025