Kärcher high-pressure washer HD 10/21-4 S
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More accessories
Nozzle size: 050
Water supply: 1″
Color: anthracite
The HD 10/21-4 S cold water high-pressure washer is ideal for daily use in demanding conditions.
The best materials ensure top quality.
The machine features a durable stainless steel piston pump with a brass cylinder head, complemented by a 4-pole motor with an air-water cooling system.
Integrated aluminum frame carriers reduce weight and provide a light yet robust frame suitable for crane loading.
For a compact design and maximum mobility, the motor and pump are mounted vertically upright. Additionally, there are storage compartments for accessories.
The HD 10/21-4 S takes ergonomic working to the next level. The EASY!Force Advanced high-pressure gun can be used effortlessly without holding-on force, and it features a well-rotating 1050 mm stainless steel lance.
The Servo Control controller, placed between the high-pressure gun and the lance, can be used to regulate pressure and water volume.
Compact upright design based on vertical motor and pump unit placement
Small footprint and space-saving proportions.
Easy to maneuver and transport.
Maximum stability ensures a steady base for the machine.
4-pole low-speed motor with air-water cooling system, durable stainless steel piston pump, and brass cylinder head
Long service life and low maintenance costs.
High performance and high efficiency.
With suction function and water temperature up to 60 °C.
Intelligently designed service concept facilitates quick on-site operation
Swiveling pump Convenient oil level indicator and integrated oil drain on the chassis.
Modular design consisting of pump, motor, and control unit.
Wide range of EASY!Lock accessories
Pressure and water volume can be regulated with Servo Control, located between the lance and the gun.
EASY!Force Advanced for tireless work without holding-on force.
Swiveling 1050 mm stainless steel lance.
Multiple storage compartments for accessories
Storage compartment.
Adjustable hooks for holding, for example, a second lance or power cable.
High-pressure hose holder.
Number of phases (ph): 3
Voltage (v): 376 – 424
Frequency (hz): 50
Flow rate (l/h): 500 – 1000
Inlet temperature (°c): 60
Working pressure (bar): 50 – 210
Maximum pressure (bar): 250
Connected load (kw): 8
Power cable length (m): 5
Nozzle size: 050
Water supply: 1″
Color: anthracite
Weight including accessories (kg): 63.4
Weight incl. packaging (kg): 71.7
Dimensions (length × width × height) (mm): 607 x 518 x 1063
Spray gun: EASY!Force Advanced
Spray gun with soft grip
High-pressure hose length: 10 m, top quality, DN 8, 315 bar
Spray lance: 1050 mm
Pressure nozzle
Servo Control
Returns & Warranty
Product returns
14-day right of withdrawal. Terms for consumers and business customers.
Return instructionsWarranty
Private customer: 2 years
Business customer: 1 year
A consumer (private customer) has the right, pursuant to Estonian Law of Obligations Act §218(2), to submit a warranty claim to the seller within 2 years.






Delivery time depends on stock
This product has no reviews yet. Be the first to rate it.
Product description
Nozzle size: 050
Water supply: 1″
Color: anthracite
The HD 10/21-4 S cold water high-pressure washer is ideal for daily use in demanding conditions.
The best materials ensure top quality.
The machine features a durable stainless steel piston pump with a brass cylinder head, complemented by a 4-pole motor with an air-water cooling system.
Integrated aluminum frame carriers reduce weight and provide a light yet robust frame suitable for crane loading.
For a compact design and maximum mobility, the motor and pump are mounted vertically upright. Additionally, there are storage compartments for accessories.
The HD 10/21-4 S takes ergonomic working to the next level. The EASY!Force Advanced high-pressure gun can be used effortlessly without holding-on force, and it features a well-rotating 1050 mm stainless steel lance.
The Servo Control controller, placed between the high-pressure gun and the lance, can be used to regulate pressure and water volume.
Compact upright design based on vertical motor and pump unit placement
Small footprint and space-saving proportions.
Easy to maneuver and transport.
Maximum stability ensures a steady base for the machine.
4-pole low-speed motor with air-water cooling system, durable stainless steel piston pump, and brass cylinder head
Long service life and low maintenance costs.
High performance and high efficiency.
With suction function and water temperature up to 60 °C.
Intelligently designed service concept facilitates quick on-site operation
Swiveling pump Convenient oil level indicator and integrated oil drain on the chassis.
Modular design consisting of pump, motor, and control unit.
Wide range of EASY!Lock accessories
Pressure and water volume can be regulated with Servo Control, located between the lance and the gun.
EASY!Force Advanced for tireless work without holding-on force.
Swiveling 1050 mm stainless steel lance.
Multiple storage compartments for accessories
Storage compartment.
Adjustable hooks for holding, for example, a second lance or power cable.
High-pressure hose holder.
Technical Specifications
Number of phases (ph): 3
Voltage (v): 376 – 424
Frequency (hz): 50
Flow rate (l/h): 500 – 1000
Inlet temperature (°c): 60
Working pressure (bar): 50 – 210
Maximum pressure (bar): 250
Connected load (kw): 8
Power cable length (m): 5
Nozzle size: 050
Water supply: 1″
Color: anthracite
Weight including accessories (kg): 63.4
Weight incl. packaging (kg): 71.7
Dimensions (length × width × height) (mm): 607 x 518 x 1063
What's in the box
Spray gun: EASY!Force Advanced
Spray gun with soft grip
High-pressure hose length: 10 m, top quality, DN 8, 315 bar
Spray lance: 1050 mm
Pressure nozzle
Servo Control
Shipping & Delivery






Delivery time depends on stock
Returns & Warranty
Product returns
14-day right of withdrawal. Terms for consumers and business customers.
Return instructionsWarranty
Private customer: 2 years
Business customer: 1 year
A consumer (private customer) has the right, pursuant to Estonian Law of Obligations Act §218(2), to submit a warranty claim to the seller within 2 years.
Reviews
This product has no reviews yet. Be the first to rate it.
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Kärcher high-pressure washer HD 10/21-4 S
1.286-950.0