The Kärcher HDS 13/20-4 S is one of the most powerful machines in Kärcher’s super-class hot water pressure washer range, engineered for maximum cleaning performance under the toughest operating conditions. Combining exceptional water flow, industrial durability, and advanced efficiency technology, it is ideal for heavy-duty use in transport, construction, agriculture, manufacturing, and industrial cleaning environments.

Exceptional Cleaning Power

Delivering up to 200 bar working pressure with an outstanding water flow rate of up to 1300 l/h, the HDS 13/20-4 S removes heavy dirt, grease, mud, and stubborn contamination quickly and efficiently. Its high-output performance makes it particularly effective for large surfaces, machinery, fleets, and industrial equipment.

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 heavy-duty 3-piston axial pump with ceramic pistons. This professional-grade setup ensures reduced wear, maximum reliability, and long service life during continuous operation.

eco!efficiency Mode for Lower Running Costs

Kärcher’s innovative eco!efficiency mode enables the machine to operate at the most economical temperature range of 60°C while maintaining full water flow. Optimised burner cycles help reduce fuel consumption by up to 20% compared to full-load operation.

EASY!Force Advanced & EASY!Lock Technology

The professional EASY!Force Advanced trigger gun with Servo Control reduces operator fatigue by using recoil force to assist trigger operation, while also allowing pressure and water flow adjustment directly at the gun. Combined with Kärcher’s EASY!Lock quick-connect system, accessory changes are significantly faster and more convenient than traditional threaded fittings.

Built for Harsh Industrial Environments

The HDS 13/20-4 S is designed for intensive professional use, featuring:

• Efficient “Made in Germany” burner technology
• Twin detergent tanks for flexible chemical application
• Extensive safety systems and protection technology
• Integrated accessory storage solutions
• Ergonomic chassis design with excellent mobility

User-Friendly & Easy to Maintain

Despite its industrial power, the machine remains easy to operate and maintain thanks to its ergonomic layout, accessible service components, and intuitive controls. Large wheels and balanced chassis design ensure easy transport across demanding work environments.

Key Features

• Genuine Kärcher part: 1.071-937.0
• 200 bar working pressure
• Water flow rate: 600–1300 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 reduces fuel consumption
• EASY!Force Advanced trigger gun with Servo Control
• EASY!Lock quick-connect system
• Twin detergent tanks
• Efficient “Made in Germany” burner technology
• Power supply: 400V 3-phase

Ideal For

• Heavy industrial cleaning
• Transport and fleet washing
• Construction and plant equipment
• Agriculture and farm machinery
• Manufacturing and production facilities

• Specification	Value
  Number of current phases (Ph)	3
  Voltage (V)	400
  Frequency (Hz)er Cable	50
  Flow Rate (l/h)	600 – 1300
  Operating pressure (bar/MPa)	30 – 200 / 3 – 20
  Temperature (supply 12°C) (°C)	min. 80 – max. 155
  Power rating (kW)	9.5
  Consumption of fuel oil at full load (kg/h)	9.5
  Heating oil consumption, eco!efficiency (kg/h)	7.6
  Power cable (m)	5
  Fuel tank (l)	25
  Weight (with accessories) (kg)	206
  Weight incl. packaging (kg)	215.9
  Dimensions (L × W × H) (mm)	1330 x 750 x 1060