Karcher High Pressure Cleaner HDS 5/11 U - Pressure Washers & Steam Cleaners

Karcher brand
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240V

Original price was: £1,958.99.Current price is: £1,432.18. Ex. VAT

We are £21.81 cheaper than the UK’s leading brand!
Price Checked: 08/10/26

Description

The HDS 5/11 U is a compact hot water pressure washer 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.

  • Large wheels for unpaved surfaces and effortless transport over landings or stairs
  • Fine-mesh water filter, efficiently protects high-pressure pump against contamination
  • Compact design allows for space-saving storage and transport
  • Spill-proof pump and fuel tank for transport lying down
  • Air flow (l/h) 450
  • Operating pressure (bar/MPa): 110/11
  • Temperature (°C): Max 80
  • Consumption fuel oil (kg/h): 2.4
  • Fuel tank (Litres): 6.5
  • High-pressure hose: 10 m
  • Spray lance: 840 mm

Additional information

BrandKarcher
Is A Plug Fitted?Yes
Voltage240V
Main ColourBlack
PowerPlug
Manufacturers Warranty1 Year Parts & Labour
Manufacturers EIRE Warranty1 Year Parts & Labour
Product FamilyCleaning & Hygiene
Secondary ColourAnthracite
Sub CategoryCleaning Equipment
Height (mm)994
Dimensions994(H) x 618(W) x 618(L)mm
Product Weight61.4kg
SectionPressure Wash & Steam Cleaners
Barcode (EAN)4054278139777
Length618
Product TypePressure Washers
Width (mm)618 mm

Frequently Asked Questions

Karcher High Pressure Cleaner HDS 5/11 U FAQs

Which commercial operations benefit from the Karcher HDS 5/11 U hot water pressure washer?

It suits mobile commercial operators carrying out light-to-medium-duty cleaning of vehicles, machines, structures, tools, facades, terraces and gardening equipment. This Karcher pressure washer sits within the pressure-wash and steam-cleaner range and uses hot water to support efficient turnaround across varied external cleaning jobs.

How does the compact Karcher HDS 5/11 U pressure washer produce hot-water cleaning power?

This compact hot water pressure washer combines a 3-piston axial pump with an air-cooled 2-pole electric motor. The arrangement provides the pumping and motor system needed for professional mobile cleaning while keeping the machine in a compact upright format.

How are the cleaning modes controlled on the Karcher HDS 5/11 U pressure washer?

A simple OFF-COLD-HOT control lets the operator switch the machine off, use unheated high-pressure water or engage hot-water cleaning. This straightforward selection is useful for light-to-medium-duty work where operators need to move quickly between different cleaning requirements.

How practical is the Karcher HDS 5/11 U pressure washer for transport between sites?

Its upright body and large wheels help with movement over unpaved surfaces, landings and stairs, while the compact format is small enough for a typical estate car. The spill-proof pump and fuel tank support transport lying down; drain residual water first and secure the machine against slipping or tipping.

What are the dimensions of the Karcher HDS 5/11 U hot water pressure washer?

The machine measures 994(H) x 618(W) x 618(L)mm. Its compact upright design reduces the floor area needed for storage and makes it easier to accommodate in service vehicles or restricted equipment stores.

How does the water filter protect the Karcher HDS 5/11 U pressure washer?

A fine-mesh water filter helps prevent contamination from reaching the high-pressure pump. It can be removed from the outside for cleaning, making routine filter checks more convenient and helping reduce avoidable pump wear caused by dirty incoming water.

What water flow and operating pressure does the Karcher HDS 5/11 U cleaner provide?

The cleaner delivers a water flow rate of 450 l/h and an operating pressure of 110 bar, equivalent to 11 MPa, when used with its standard nozzle. This output supports routine light-to-medium-duty commercial cleaning.

What maximum hot-water temperature can the Karcher HDS 5/11 U pressure washer deliver?

The maximum hot-water operating temperature is 80°C. This heated output can help operators tackle oily or persistent soiling more effectively than cold-water cleaning alone, while the OFF-COLD-HOT selector allows cold operation when heat is unnecessary.

What fuel capacity and consumption does the Karcher HDS 5/11 U hot water cleaner have?

The burner has a 6.5L fuel tank, and the fuel-oil consumption figure is 2.4kg/h. These figures help operators estimate fuel requirements for mobile cleaning schedules and plan refilling around the expected working period.

What working equipment comes with the Karcher HDS 5/11 U pressure washer?

It comes with a 10m high-pressure hose, an EASY!Force Advanced trigger gun, a triple nozzle, pressure-switch control and a spray lance. The 10m hose gives the operator useful reach around vehicles, machinery and working areas without continually repositioning the cleaner.

What electrical supply does the Karcher HDS 5/11 U pressure washer use?

This is the plug-fitted 240V version, operating on single-phase 50Hz power with a 2.2kW power rating. The intended work area needs a suitable electrical supply for this professional pressure washer.

What warranty is provided with the Karcher HDS 5/11 U hot water pressure washer?

The cleaner includes a 1-year parts and labour warranty. Retain proof of purchase for any warranty claim made through the dealer or an authorised service centre.

How can I identify the Karcher HDS 5/11 U hot water pressure washer when ordering?

For ordering, use Smart UK SKU FU067, barcode 4054278139777 or product reference 10649020. The manufacturer order number is 1.064-902.0, giving buyers several identifiers to check when ordering the machine or discussing compatible service parts.

What incoming water supply does the Karcher HDS 5/11 U pressure washer require?

It requires at least 500 l/h of incoming water through a hose with a minimum 1/2-inch diameter and 7.5m length. Feed pressure must not exceed 6 bar, and inlet water must be no hotter than 30°C. Use clean water to limit deposits and premature wear.

How is detergent used with the Karcher HDS 5/11 U hot water pressure washer?

The machine draws detergent from an external container through its suction hose. Set the nozzle to CHEM for detergent intake. If detergent is not being drawn, check that the container is not empty, clean the suction-hose filter and inspect the backflow valve.

How should the Karcher HDS 5/11 U pressure washer be stored in cold conditions?

Store it in a frost-free area because trapped water can damage the machine when frozen. If frost-free storage is unavailable, drain the water and follow the correct antifreeze flushing procedure. Switch off, unplug, depressurise and allow the machine to cool before maintenance or extended storage.

What should I check if the Karcher HDS 5/11 U cleaner is not building pressure?

Check that the water tap is open, the incoming supply is adequate, the water filter is clean and all connections are secure. Air can be vented by cycling the machine with the trigger gun open. Clean a blocked nozzle; if these checks do not restore pressure, contact an authorised service engineer.

What key safety precautions apply when using the Karcher HDS 5/11 U pressure washer?

Operate the cleaner only while it is standing on a sound surface, and never direct the high-pressure jet at people, animals, live electrical equipment or the machine itself. Do not leave it unattended while running, and secure the trigger gun against unintended operation when work stops.

About Karcher

Karcher brand
Alfred made his breakthrough into cleaning technology in 1950 with the development of the first European hot-water washer. Innovation led the way and Karcher now offers a range of spray extraction cleaners for commercial and private use, wet & dry vacuum cleaners, steam cleaners and scrubbers.