Karcher HDS 10/20-4 M 2900PSI - 16.7L/min Hot Water Pressure Cleaner

Pressure Rating (PSI / Bar):
200 Bar (2,900 PSI) working pressure

Flow Rate (L/min):
8.3 – 16.7 L/min (500 – 1000 L/h)

Power Type:
Electric – 3-phase, 420V, 7.8 kW (50 Hz)

Water Temperature:
Hot water – min 80°C, max 155°C (inlet temp 12°C)

Motor Brand and Type:
4-pole electric motor with pressure shut-off and electronic service control (LED display)

Pump Type:
Three-piston axial pump with ceramic pistons, turbo blower, and high-efficiency patented nozzle system

Included Accessories:
20 m Longlife high-pressure hose
EASY!Force Advanced trigger gun
1050 mm spray lance
Power nozzle
Servo Control for flow and pressure adjustment
Twin detergent tanks (20 L + 10 L capacity)

Application Suitability:
Perfect for high-demand industrial and commercial environments requiring intense heat, high pressure, and maximum flow – ideal for removing stubborn grease, oil, and industrial residues

Duty Cycle / Usage Class (Light, medium, or heavy-duty use):
Heavy-duty, continuous operation

Mounting / Portability:
Large wheels with solid tyres, ergonomic handles, forklift lifting points, lashing rings, and recessed tipping tread for full mobility on job sites

Dimensions (L x W x H) (Millimetre):
1330 x 750 x 1060 mm

Weight (kg):
168 kg (with accessories)
180 kg (incl. packaging)

Safety Features:
Dry-running protection, stainless steel heating coil, flue gas monitoring, heat-resistant flue outlet
Corrosion-proof, rigid chassis
Control panel with LED display
Electronic service control with data access for diagnostics and maintenance
Pressure switch-off and integrated machine protector system
ANTI!Twist hose fittings
Externally accessible fuel and chemical tanks for safe and easy refilling

Warranty & Service Support:
2 years

The Kärcher HDS 10/20-4 M is the most powerful unit in Kärcher’s Middle Class range of hot water pressure cleaners. Engineered for maximum flow (up to 1000 L/h) and pressure up to 200 Bar, it excels in demanding industrial environments where deep cleaning, heat, and performance are essential.

Its three-phase 420V 7.8 kW motor drives a high-efficiency axial pump with ceramic pistons and patented nozzle technology, ensuring top-tier cleaning output. The eco!efficiency mode, precise detergent dosing, and optimised burner system reduce emissions, fuel consumption, and operating costs—without sacrificing results.

User experience is front and centre with a clear control panel, LED service display, and Servo Control for pressure and water adjustment directly on the lance. A rugged design includes a corrosion-resistant, reinforced chassis, heat-resistant flue outlet, and flue gas monitoring for safety and longevity.

Designed for mobility and serviceability, the HDS 10/20-4 M features forklift access points, solid-tyred wheels, and intuitive tilting and transport features. Maintenance is quick thanks to easy component access and onboard diagnostics.

A powerhouse in every sense, this unit is built for professionals who demand nothing but the best from their equipment.

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