The Karcher HDS 5/11 U entry-level, highly portable hot water pressure washer cleaner.
The Karcher HDS 5/11 U is a compact hot water high-pressure cleaner which features a 3-piston axial pump and air-cooled 2-pole electric motor. The machine allows for easy transportation and storage thanks to its low weight, compact upright design and large diameter wheels, and is small enough to be transported in a typical estate car. With simple OFF-COLD-HOT operation, the 5/11 U is the perfect machine for light-medium duty cleaning tasks where time is of the essence.
Features and benefits

Innovative upright design

Fine-mesh water filter

Compact design
Save energy and time: EASY!Force high-pressure guns and EASY!Lock quick-release locks.
Specifications
Technical data
Flow Rate (l/h) | 450 |
Operating pressure (bar/MPa) | 110 - 110 / 11 - 11 |
Temperature (°C) | max. 80 |
Power rating (kW) | 2.2 |
Consumption fuel oil (kg/h) | 2.4 |
Fuel tank (l) | 6.5 |
Number of users | 1 |
Weight (with accessories) (kg) | 65.4 |
Weight incl. packaging (kg) | 73.6 |
Dimensions (L x W x H) (mm) | 618 x 618 x 994 |
Equipment
- Trigger gun, EASY!Force Advanced
- High-pressure hose, 10 m
- Spray lance, 840 mm
- Pressure switch control
Application Areas
- Vehicle cleaning
- Equipment and machinery cleaning
- Workshop cleaning
- Cleaning outdoor areas
- Service station cleaning
- Façade cleaning
- Swimming pool cleaning
- Cleaning of sports facilities
- Cleaning in production processes
- Cleaning production systems
Downloads
Accessories
600 mm stainless steel lance (manual coupling) with ergonomic handle for ease of use and protection. Rotatable 360° under pressure.
For hard-to-reach areas: High-pressure articulated joint with infinite angle adjustment up to 120°. Simply attach directly to the spray lance of the pressure washer.
For high-pressure cleaners with a flow rate of 350–600 l/h: new, robust and very high-quality foam cup lance with outstanding foam quality while consuming half as much cleaning agent.
10 m high-pressure hose (M 22 x 1.5) with kink protection. With patented rotating AVS trigger gun connector and manual coupling. Further data: DN 6/155°C/250 bar.
20 m high-pressure hose (M 22 x 1.5) with kink protection. With patented rotating AVS trigger gun connector and manual coupling. Further data: DN 8/155°C/315 bar.
Brass double connector for connecting and extending high-pressure hoses. With rubber protection. Connector: 2x M 22 x 1.5 m.
Cleaning Agents
Scale inhibitor for hot water high-pressure cleaners with integral corrosion protection, especially for use in new HDS units with System Care option. The System Care Advance 1 RM 110 ASF formula offers improved protection against limescale deposits on heater coils (up to 150 °C) and provides integral corrosion protection for components in contact with water.
For optimal protection of hot water high-pressure cleaners with System Care option. System Care Advance 2 provides the following protection functions for your equipment:– Protection against limescale deposits in the heating coil (up to 150°C) – Pump care additive for continuous lubrication and care of the high-pressure pump – Protection against black water contamination (rust formation in the heating coil in the case of very soft water) – Corrosion protection for all parts in contact with water.
Powerful facade cleaner with gel formula. Removes soot, oil, grease and environmental stains. Suitable for façades clad with stone, brick, rough-cast plaster, plastic, wood and glass.
Powerful deep cleaner effectively removes the most stubborn stains, such as oil, grease, soot, blood and proteins. Low foam production. Particularly suited for floor cleaning by machine and for processing with hard surface cleaners. NTA free.
Removes even the toughest grease, protein, oil and soot soiling from floors, working surfaces, machines, etc. (particularly suitable for food processing operations). Easy to use, gentle cleaning action. Washes clean without residue.
The alkaline Foam Cleaner RM 838 is for contactless vehicle washing which effortlessly removes heavy oil and grease stains, insect residues and road dirt and is gentle on paintwork.
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