The Kärcher HDS 10/21-4 M is a high-performance hot-water pressure washer built for demanding industrial cleaning tasks. Featuring a water-cooled 4-pole motor, advanced burner system, ceramic pistons, and eco!efficiency mode, it delivers exceptional cleaning power with reduced fuel consumption.
Engineered for heavy-duty, continuous cleaning of grease, oils, engine areas, machinery, trucks, construction equipment, and workshop floors, the HDS 10/21-4 M combines rugged durability with maximum user comfort.
Key Features
Hot-water cleaning up to 155°C — cuts grease & oil fast
eco!efficiency mode — up to 20% fuel savings
3-piston axial pump with ceramic pistons — long service life
Water-cooled 4-pole motor — quiet & durable
EASY!Force Advanced trigger gun — zero trigger effort
2 detergent tanks for flexible cleaning applications
Large wheels & ergonomic handles for easy mobility
Integrated storage & onboard hose hooks
Technical Specifications
| Spec |
Value |
| Power Supply |
3-phase / 400V / 50Hz |
| Flow Rate |
500 – 1000 L/h |
| Pressure |
30 – 210 bar |
| Max Temperature |
80°C – 155°C |
| Motor Power |
8 kW |
| Fuel Consumption |
7.3 kg/h (full) / 5.8 kg/h (eco) |
| Fuel Tank |
25 L |
| Hose Length |
10 m |
| Weight |
160.2 kg |
| Dimensions |
1330 × 750 × 1060 mm |
Included
EASY!Force Advanced spray gun
10m Longlife HP hose
1050mm stainless steel lance
Power nozzle
Servo control adjustment
Twin detergent tanks
Ideal Applications
Vehicle fleets & truck washing
Manufacturing & workshops
Service stations & garages
Agriculture / food processing
Heavy equipment cleaning
Construction & mining
Industrial grease/oil removal
Facility maintenance contractors
