Kärcher HD 7/20 G Classic Cold-Water Petrol Pressure Washer (11870110)

Introducing the Kärcher HD 7/20 G Classic – a powerful and mobile, petrol-driven high-pressure cleaner designed for demanding cleaning tasks where electric power is unavailable or impractical.

Key Features

• Flow rate of 700 L/h – high water volume for faster coverage.
• Working pressure of 200 bar (max 250 bar) for tough cleaning jobs.
• Petrol engine drive – total independence from electrical supply.
• Robust tubular steel frame and puncture-proof wheels for rugged use and mobility.
• Large water filter, thermo & safety valve protect internal components and ensure long life.
• Compact dimensions (878 × 538 × 702 mm) and weight approx. 36.2 kg (with accessories) make transport easier for a professional machine.
• Integrated accessory storage (hose hook, lance holder) to keep job-site tidy.

Benefits

• Ideal for construction sites, outdoor vehicle fleets, industrial cleaning, remote locations.
• No reliance on mains power – can use water sources such as ponds with optional accessories.
• Delivers professional‐grade results while being built for durability and high workload.

How to Use

1. Ensure machine is placed on stable, level ground and petrol filled per instructions.
2. Connect water supply (inlet size 3/4″) and ensure filter is clear of debris.
3. Attach high-pressure hose and lance, select suitable nozzle for job.
4. Start engine per manual, adjust pressure and begin cleaning – move methodically across surface.
5. When finished, stop engine, release pressure, drain water, clean filters and store machine in dry place.

Specifications

What’s Included

• Standard spray gun
• High-pressure hose (10 m) – typical for this model
• Power nozzle
• Water filter
• Frame with wheels and handle

Note: Accessories such as specialist lances, surface cleaners or suction kits may need to be purchased separately depending on the job.