Kärcher high-pressure washer HD 10/21-4 S Classic

The HD 10/21-4 S Classic cold water high-pressure washer is designed for daily use in demanding conditions. It stands out from the crowd with its robust construction and sturdy steel frame. It is easy to set up and use quickly and without problems. 
All important parts are quickly and easily accessible. 
The Super Class high-pressure washer is equipped with a Classic high-pressure gun designed for HD Classic series machines. 
It also features the premium EASY!Lock quick-release coupling. This makes setting it up and taking it down five times faster, saving you time and effort. 
The integrated water filter protects the high-pressure pump from dirt particles and contamination, thereby extending the machine's service life.
A powerful crankshaft pump and wear-resistant materials are the backbone of the high-pressure washer: a brass cylinder head and pistons with ceramic sleeves. The pressure can be adjusted on the pump as needed. 4-pole low-speed motor with air-water cooling system for long-lasting and reliable operation.

Powerful and durable crankshaft pump with brass cylinder head and pistons with ceramic sleeves
High performance and high efficiency. ˇ
Long service life and low maintenance costs. 
With suction function and water temperature up to 60 °C.

Sturdy steel frame with large wheels for good mobility
Protects the machine even in adverse conditions. 
Easy and convenient to transport. 
Integrated storage for accessories.

Classic accessories with EASY!Lock connections
Quick setup and assembly, and easy accessory changes. 
Robust and durable accessories. 
Easy and intuitive to use.

Simple machine design
The integrated water filter can be removed and cleaned without tools. 
Pressure and water volume can be adjusted on the pump itself. 
The fill level and oil quality can be easily checked using the sight glass and oil dipstick.

4-pole low-speed motor with air-water cooling system
Long service life and low maintenance costs. 
Combines efficient water cooling with a robust air cooling system for maximum cooling power even with fluctuating ambient and water temperatures. 
Compact design ensures maximum portability.