The HD 9/20-4 M is a powerful, medium class pressure washer for heavy-duty cleaning tasks where 3-phase power supply is available. The machine features a 4-pole electric motor that runs at lower rpm than a 2-pole motor, providing more power and longevity. The machine offers water pressure of up to 200 bar and water flow rate of up to 900 litres per hour.

Switch-CHEM

• For accurate and variable cleaning agent dosing.
• 2-way dosing valve for cleaning agent changeover.
• Easy cleaning agent bottle changeover.

Powerful and durable

• Air-water-cooled electric motors for intensive use.
• 4-pole low-speed electric motor.

Clever features

• Power cord storage at the rear of the unit.
• Integrated lance holder for easy transport.
• Parking position for short breaks.

Outstanding mobility

• Large wheels for uneven surfaces.
• Upright design for easy, ergonomic transport.
• Integrated tilting aid at the rear.

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.

Standard Accessories

• Pressure switch control
• Three piston axial pump, with ceramic piston
• Triple nozzle (0°/25°/40°), Manual
• Spray lance, 1050 mm
• Trigger gun, EASY!Force
• Servo Control
• Spray lance
• Low-speed 4-pole motor

Technical Data

• Current type (Ph/V/Hz) 3/400/50
• Flow rate (l/h) 460-900
• Operating pressure (bar/MPa) 40-200/4-20
• Max. pressure (bar/MPa)220/ 22
• Water feed temperature (°C) 60
• Power rating (kW) 7
• Weight (with accessories) (kg) 54,2
• Dimensions (L x W x H) (mm) 554 x 425 x 1000