Karcher HDS 7/12 4-M 1740 PSI - 11.6L/min Hot Water Pressure Cleaner

Pressure Rating (PSI / Bar):
1,740 PSI (120 Bar) operating pressure
2,175 PSI (165 Bar) maximum pressure

Flow Rate (L/min):
5.8 – 11.6 L/min (350 – 700 L/h)

Power Type:
Electric – 1 Phase / 230–240 V / 50 Hz
3.4 kW (15 Amp)

Water Temperature:
Hot water – maximum 155°C

Motor Brand and Type:
Low-speed, water-cooled 4-pole electric motor designed for reliable daily operation and long service life

Pump Type:
3-piston axial pump with ceramic pistons

Included Accessories:
20 m longlife high-pressure hose (DN8, 315 Bar) with anti-twist system
EASY!Force Advanced trigger gun
1050 mm stainless steel spray lance
040 power nozzle
High-pressure spray lance

Application Suitability:
Designed for professional cleaning applications in workshops, transport depots, agriculture, construction, and industrial environments where hot water cleaning is required.

Duty Cycle / Usage Class:
Commercial professional use

Mounting / Portability:
Jogger-style chassis with large rubber wheels and swivel castors
Integrated tilting aid for steps and kerbs
Push handles for easy manoeuvrability
Integrated storage for hoses, accessories, gloves, and detergents

Dimensions (L x W x H) (Millimetre):
1300 x 800 x 1140 mm

Weight (kg):
181.5 kg (with accessories)

Heating System:
High-efficiency diesel burner system
Stainless steel heating coil with RM coil cleaning system
Fuel tank capacity: 25 L
Fuel consumption:
4.6 kg/h at full load
3.7 kg/h in eco!efficiency mode

Detergent System:
Two integrated detergent tanks (20 L + 10 L)
Precise detergent dosing system with rinse function

Safety Features:
Anti-twist hose system (AVS)
Pressure cut-off system
Dry-running protection
Safety valves and integrated water filter
Soft damping system (SDS) to reduce pressure spikes
Eco!efficiency mode for reduced fuel consumption

Warranty & Service Support:
2-Year Warranty
(Plus an additional 2 years when registered online)

The Kärcher HDS 7/12-4 M is a highly user-friendly hot water pressure cleaner that combines strong cleaning performance with excellent ergonomics and reliability. Delivering up to 165 Bar pressure and 700 litres per hour, it is an ideal entry-level model in Kärcher’s professional middle-class hot water range.

Powered by a water-cooled 4-pole electric motor and fitted with a durable axial pump with ceramic pistons, the unit provides reliable long-term performance. The stainless steel heating coil with optimised burner engineering produces hot water up to 155°C, effectively removing grease, oil and stubborn contamination while reducing the need for detergents.

With features such as the EASY!Force Advanced trigger gun, anti-twist hose system, two detergent tanks, and intuitive single-switch operation, the HDS 7/12-4 M is designed for comfortable, fatigue-free operation in demanding professional environments.