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by Karcher
Original price £2,833.33 - Original price £2,833.33
Original price £2,833.33
£3,182.50 (£3,819.00 inc VAT)
£3,182.50 - £3,182.50
Current price £3,182.50 (£3,819.00 inc VAT)

Call ROB at REALKLEEN for the absolute BEST PRICE on KARCHER, availability and advice. 01525 370795.

Need a written quotation? email;

The Karcher HDS 10/20-4 M medium class hot water high-pressure cleaner with a host of user-friendly features.

Karcher's medium and super class hot water pressure washers not only do a first-class job of cleaning, they are also extremely rugged and simple to operate. The new ECO mode, unique to KÄRCHER, makes them truly unbeatable. When the machine is set to this mode it operates automatically in the most economical temperature range. This not only saves running costs, it is also good for the environment.

The hot water pressure washers of the new middle- and super-class convince with their 6 main features. 1. Environmental protection Greater efficiency with the new ECO mode, service switch for controlling water hardness, turbo fan, precision detergent metering, optimized burner technology and a high-efficiency pump. 2. User friendliness This is ensured by a central, clearly arranged control panel designed for intuitive operation, a spray lance holder, LED display, an integral, low-friction hose reel for 20 metres hose that swivels through 180°, and much more. 3. Cleaning performance Highly efficient cleaning is guaranteed by patented nozzle technology, ceramic pistons, turbo fan as well as increased pump efficiency. Accessories are optimized for specific applications and designed to exactly suit customer requirements. 4. Mobility The mobility concept features two casters, large rubber-tyred wheels, ergonomic handles, lifting points for handling with a forklift, lashing rings and a recessed tread for tilting the machine to guarantee maximum manoeuvrability. 5. Reliability Guaranteed by flue gas monitoring, a corrosion-proof, flexurally stiff, robust chassis, machine protector system, three-piston axial pump with ceramic pistons, heat resistant flue outlet, and much more. 6. Service friendliness Easy access to all components that require servicing and a service switch to call up operating data at any time for troubleshooting.



High pressure washer HDS 7/10-4 M: Efficiency
In the Eco setting the unit operates in the most economical temperature range (60°C) with full water flow. Burner cycles are optimised to reduce fuel consumption by up to 20% compared to full-load operation.
High pressure washer HDS 7/10-4 M: Maximum efficiency
Maximum efficiency
Highly efficient burner technology. 4-pole, slow-running electric motor guarantees a long working time.
High pressure washer HDS 7/10-4 M: Operational reliability
Operational reliability
The large, integrated fine-mesh water filter reliably protects the high-pressure pump against dirt particles. An integrated exhaust gas thermostat switches off the drive motor if the exhaust gas temperature exceeds 300°C. The soft damping system (SDS) compensates for vibrations and pressure surges in the high-pressure system.


  • Safe and ample storage for protective gear, accessories and cleaning agents.
  • Storage hooks for power cord and high-pressure hose.
 Mobility concept
  • "Jogger" design with large rubber tyre wheels and swivel castors.
  • Integrated tilting aid for effortlessly negotiating obstacles such as steps and kerbs.
 Save energy and time: EASY!Force high-pressure guns and EASY!Lock quick-release locks.
  • At last – work without getting tired: the EASY!Force high-pressure gun.
  • EASY!Lock quick-release locks: durable and robust. And five times faster than screws.


Technical data

Current type (Ph/V/Hz)  3 / 400 / 50
Flow rate (l/h)  500 - 1000
Operating pressure (bar/MPa) 
30 - 200 / 3 - 20
Max. temperature (°C)  80 - 155
Power rating (kW)  7.8
Consumption fuel oil (kg/h)  6.4
Power cable (m)  5
Fuel tank (l)  25
Weight (kg)  168
Dimensions (L x W x H) (mm)  1330 x 750 x 1060


  • Trigger gun, EASY!Force Advanced 
  • High-pressure hose, 10 m 
  • Spray lance, 1050 mm 
  • Power nozzle 
  • Tanks for detergent, scale inhibitor and fuel can be filled from outside 
  • Control panel with indicator lamps 
  • Pressure switch control 
  • Pole reversing plug (three-phase) 
  • Electronic service control with LED display 
  • Two detergent tanks 
  • Dry running protection

Call RealKleen

01525 370 795 Mon-Fri 8:00-5:30pm