Karcher HD 7/18-4 M Classic
Cold Water Pressure Washer 220 bar

Karcher HD 7/18-4 M Classic - Cold Water Pressure Washer 220 bar

The Karcher HD 7/18-4 M Classic professional pressure washer is an extremely reliable high-pressure cleaning solution, designed for intensive use in construction , agriculture and municipal sectors. Built with a high-strength steel frame and a crank-and-connecting rod pump with brass head , this machine offers an ideal combination of power, durability and ease of use. The low-speed 4-pole electric motor ensures smooth and quiet operation, reducing wear and extending the life of the device. With a working pressure of up to 180 bar and a maximum flow rate of 700 L/h , the Karcher HD 7/18-4 M Classic is the ideal ally for those who require consistent and reliable performance when cleaning machinery, vehicles, surfaces and professional equipment.

Designed for complex work environments and demanding professionals, this 400V three-phase high-pressure washer offers an optimal balance of energy output, water efficiency, and ease of maintenance. Its operational versatility makes it suitable for cleaning production facilities, agricultural equipment, building surfaces, and public areas, always ensuring impeccable results and reduced intervention times.

Technical Specifications

The three-phase 400V power supply and 5.5 kW of power consumption give the Karcher HD 7/18-4 M Classic pressure washer high operational stability even under prolonged loads. The low-speed 4-pole electric motor reduces vibration and ensures quiet operation, minimizing wear on mechanical components and guaranteeing a long life. The 5 m power cable allows for flexible power management, while the 1" water supply ensures a constant flow without pressure drops.

In terms of performance, the Karcher HD 7/18-4 M Classic delivers an adjustable flow rate from 500 to 700 L/h , with a working pressure between 70 and 180 bar and a maximum pressure of 220 bar . The machine supports inlet water temperatures of up to 60 °C , allowing effective dirt removal even in complex industrial settings. The 10 m DN 8 high pressure hose (315 bar) and the 0.38 nozzle guarantee a stable and precise flow, optimising performance in every application.

Functional Specifications

4-pole low speed motor for maximum durability

The low-speed, 4-pole motor is one of the strong points of the Karcher HD 7/18-4 M Classic . Thanks to the low rotation speed , vibrations are minimized and wear on internal components is drastically reduced. This translates into stable, quiet operation and a longer motor life, ideal for those who use the machine daily in industrial or professional settings.

Crankshaft pump with high-strength brass head

The crankshaft pump with brass head ensures maximum strength and reliability, minimizing maintenance. The ability to manually adjust pressure and flow rate allows the pressure washer to be adapted to different operating needs. The incoming water's thermal resistance of up to 60°C ensures high performance even in the presence of greasy or oily dirt, typical of the mechanical , agricultural , and industrial sectors.

Easy maintenance system for quick interventions

The design of the Karcher HD 7/18-4 M Classic prioritizes accessibility of internal components . All maintenance-required parts , such as the water filter, pump, and oil tank, can be easily reached in just a few seconds. The inspection glass allows you to quickly check the oil level and quality, while the integrated water filter can be removed without tools, making routine cleaning a breeze and preventing damage to the pump.

Ergonomic accessory compartment with EASY!Lock system

The integrated accessory compartment has been designed to optimize space and improve ease of use. Nozzles, small parts, and the high-pressure hose are safely and neatly stored, while the power cord hook makes transport and storage easy. Classic line accessories with EASY!Lock quick-connect coupling ensure quick and intuitive assembly, reducing setup time and increasing productivity during cleaning operations.

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Characteristics

• 400V three-phase power supply
• Power 5.5 kW
• Water flow rate 700 L/h
• Working pressure 70 ÷ 180 bar
• Maximum pressure 220 bar
• Nozzle size 038
• Water supply 1"
• Made in Germany

Standard Equipment

• TR 155°C gun - cod. 4.119-002.0
• Rotating spray lance 840 mm - code 4.112-006.0
• Power nozzle 25°, 038 - code 2.113-006.0