Karcher HD 7/20 G Classic Professional Petrol Pressure Washer 3626 psi 11.7 lpm (1.187-014.0)

Name: Karcher HD 7/20 G Classic Professional Petrol Pressure Washer 3626 psi 11.7 lpm (1.187-014.0)
Brand: Karcher
SKU: 1.187-014.0
Price: 1499.0 AUD
Availability: InStock

SKU 1.187-014.0

BARCODE 4054278965000

By: Karcher

$1,499.00 - $1,499.00

$1,499.00

$1,499.00 - $1,499.00

$1,499.00

Availability: 1 in stock ready to be shipped or picked up

SECURED SSL CHECKOUT GUARANTEED

Delivery Options:

→ Pickup available at: 208 Princes Highway, Arncliffe.
→ Same day delivery within Sydney, Australia.
→ We ship nationwide.

Equipment financing made easy.

Powered by Finapps.

Learn more

Product Description

Karcher HD 7/20 G Classic Petrol Pressure Washer (3626 PSI) – Commercial Pressure Cleaner

Dominate highly demanding, off-grid cleaning operations and obliterate massive expanses of industrial grime with the uncompromising power of the Karcher HD 7/20 G Classic Petrol Pressure Washer. In remote construction sites, massive agricultural properties, and heavy mining environments, access to 3-phase electricity is completely impossible. This rugged, self-sufficient commercial pressure cleaner relies entirely on a formidable, high-torque petrol engine. It drives an advanced water-cooled high-pressure pump to deliver a devastating 3626 PSI (250 Bar) of water-cutting force at an exceptionally high flow rate of 11.7 Litres per minute. This machine violently strips dried cement, baked-on clay, and heavy road film from massive machinery where electrical machines simply cannot reach.

The HD 7/20 G Classic is engineered by Karcher in Germany to survive the absolute most brutal physical abuse. The engine and premium pump are securely protected within an ultra-durable, heavy-duty tubular steel frame. Mounted on massive pneumatic tyres, this 80kg beast rolls effortlessly over deeply rutted mud, jagged rocks, and thick construction debris. Arriving completely armed and ready for immediate deployment, it includes a professional pistol-grip spray gun, a heavy-duty high-pressure hose, and a set of quick-connect nozzles. If you demand reliable, uncompromising, and highly mobile blasting power, this petrol pressure washer is the ultimate, lifetime investment for serious contractors.

Who Is The Karcher HD 7/20 G Classic Pressure Washer Ideal For?

The HD 7/20 G Classic delivers a devastating 3626 PSI and off-grid petrol mobility. It is highly recommended for:

Construction & Heavy Earthmoving: Utilizing a self-contained commercial pressure cleaner to violently blast dried cement, thick mud, and heavy clay off massive excavators and scaffolding on remote, off-grid jobsites.
Agricultural & Farming Operations: Rolling this heavy-duty petrol pressure washer across highly uneven, muddy paddocks on its pneumatic tyres to deeply sanitize tractors, livestock pens, and harvesters.
Commercial Exterior Cleaners: Relying on the formidable 250 Bar pressure to strip highly stubborn stains, thick mold, and heavy mildew from massive residential driveways and sprawling public carparks at record speeds.
Mining & Plant Maintenance: Deploying the machine deep into massive industrial sites to blast heavy grease and abrasive slurry from processing equipment without relying on dangerous extension cords.

Key Features and Performance Benefits:

Devastating 3626 PSI (250 Bar) Power: Delivers extreme-duty commercial cleaning force. It provides the highly aggressive water-cutting power required to completely obliterate rock-hard concrete overspray and baked-on industrial grease.
100% Off-Grid Petrol Mobility: Powered entirely by a heavy-duty petrol engine. This completely eliminates the restrictive tether of electrical cords, allowing you to wash bridges, remote fences, and heavy machinery literally anywhere.
Water-Cooled High-Pressure Pump: A massive durability feature. The premium internal pump uses the very water it is spraying to constantly cool its internal components. This drastically prevents overheating and ensures an incredibly long operational lifespan.
Rugged Tubular Steel Frame: The engine block is completely encased in a thick, impact-resistant tubular steel cage. This protects the vital components if the machine is accidentally bumped by a forklift or dropped from a ute.
Massive Pneumatic Wheels: Unlike cheap plastic wheels that sink into mud, these massive, air-filled pneumatic tyres act as shock absorbers and allow the heavy 80kg unit to be maneuvered effortlessly across the roughest, most hostile worksites.

Technical Specifications & Inclusions:

Brand: Karcher (Classic Professional Series)
Model: HD 7/20 G Classic (1.187-014.0)
Product Type: Petrol Cold-Water Pressure Washer
Working Pressure: 3626 PSI (250 Bar)
Water Flow Rate: 11.7 Litres per minute (11.7 L/min)
Engine: Heavy-Duty Petrol Engine (~5L Fuel Tank)
Pump Design: Advanced Water-Cooled High-Pressure Pump
Weight: Approx. 80kg (Wet)
Chassis: Heavy-Duty Steel Frame with Pneumatic Tyres
Inclusions: High-Pressure Hose, Pistol-Grip Spray Gun, Lance, Quick-Connect Nozzles.

Delivery Information

Dispatch: Items marked as “In stock” or “Ready to be shipped” are usually dispatched within 1 business day after payment is received. If an item is not in stock and ordered from our supplier, please allow 3–5 business days for processing before it is ready for delivery or pickup. All standard delivery options still apply.

Shipping: Delivery costs are calculated at checkout based on your location and order size. Bulky items and chemicals may attract additional freight charges and cannot be sent to PO Boxes.

Delivery: Parcels are delivered by road freight. Authority to leave may be used if no one is available to receive the order. For full details, please see our Shipping & Delivery Policy

Business days to delivery

NSW
City	1 Day
VIC
Melbourne	1 Day
Regional	3–4 Days
QUEENSLAND
Brisbane	1–2 Days
Regional	3–4 Days
SOUTH AUSTRALIA
Adelaide	2–3 Days
Regional	4–5 Days
NORTHERN TERRITORY
All Areas	4–6 Days
WESTERN AUSTRALIA
All Areas	4–6 Days
TASMANIA
All Areas	4–6 Days

Frequently Asked Questions

Why would I choose a petrol machine over an electric one?

Freedom and raw power. To get 3626 PSI out of an electric machine, you strictly require a specialized 3-Phase power outlet. This petrol machine delivers that massive industrial power completely off-grid, allowing you to clean remote construction sites or farms where no electricity exists.

What does a 'Water-Cooled Pump' mean?

The leading cause of pump failure is extreme heat generated by internal friction. This advanced Karcher pump routes the cold water you are spraying through channels around the pump block, constantly cooling it down. This drastically extends the life of the machine during continuous commercial use.

Is 11.7 Litres per minute a good flow rate?

Yes! While high PSI cuts the dirt off the concrete, flow rate (L/min) is the volume of water physically pushing that dirt down the drain. 11.7 L/min provides highly effective flushing power, allowing you to clean large driveways significantly faster than cheap domestic models.

Are the tires solid plastic or air-filled?

They are massive, heavy-duty pneumatic (air-filled) tyres. They provide vital shock absorption for the heavy 80kg engine block and make rolling the machine over thick mud, gravel, or electrical cords completely effortless.

Does it come with different nozzles?

Yes, it is supplied with a set of quick-connect nozzles. These allow you to instantly change the spray fan. You can use a narrow, aggressive jet for stripping heavy stains, or click in a wider, softer fan nozzle for safely washing down commercial vehicles.

Can this machine suck water from a bucket or tank?

While premium commercial pumps are incredibly powerful, drawing water from a static tank without a gravity feed or a positive feed pump can cause the machine to suck air (cavitate). For absolute longevity, it is always recommended to feed this machine with a pressurized garden tap.

Can I use this machine to wash my car?

3626 PSI is dangerously high for standard automotive paint and plastic trim. If you intend to wash a delicate vehicle with this beast, you MUST use the widest, softest fan nozzle, stand well back, and completely avoid pointing it directly at tires.

Is 80kg too heavy to lift into my ute?

80kg is extremely heavy. While the pneumatic wheels make it effortless to roll on the ground, lifting it into the back of a high ute or van will safely require two adults or the use of heavy-duty loading ramps.

How do I apply chemicals with this washer?

Depending on the exact regional setup of the HD 7/20 G, it typically utilizes a downstream chemical injector or a foam cannon attachment that clicks into the lance, allowing you to safely spray heavy-duty degreasers directly onto the machinery.

Does the machine have a warranty?

Yes. As part of Karcher's 'Professional' commercial lineup, this machine is backed by a highly robust manufacturer's warranty designed to support the demands of serious contract cleaners and industrial users.

What type of fuel does the engine take?

It is a standard 4-stroke commercial petrol engine. It requires standard Unleaded petrol (straight petrol, completely unmixed with oil). You must check the engine's oil dipstick separately to ensure it is lubricated before starting.

Do you offer trade pricing for commercial cleaning businesses?

Yes, Freshway Supplies provides highly competitive volume pricing and trade accounts for exterior cleaning contractors, massive industrial facilities, and agricultural fleets. Contact us to establish your account.

Trusted by over 1,000 + Customers

Join thousands who rely on our products and service—real results and proven satisfaction.

RELATED PRODUCTS