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Karcher G3800 3800psi 190cc 4-Stroke G3800 Petrol Pressure (9.507-268.0)

SKU 9.507-268.0
BARCODE 9314900000437
By: Karcher
Save 17% Save 17%
Original price $1,799.00
Original price $1,799.00 - Original price $1,799.00
Original price $1,799.00
Current price $1,499.00
$1,499.00 - $1,499.00
Current price $1,499.00
Availability: This product will be delivered in 3-5 business days

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Delivery Notice:

Please allow 3-5 business days for processing before it's ready for delivery or pickup. All standard delivery options still apply.

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Karcher G3800 Petrol Pressure Washer – 3800 PSI Commercial Cleaner (9.507-268.0)

Conquer the most grueling, heavy-duty exterior cleaning tasks with the immense power of the Karcher G3800 Petrol Pressure Washer (9.507-268.0). Engineered to operate far beyond the capabilities of standard electric models, this premium commercial petrol pressure washer is driven by a highly reliable 196cc 4-stroke engine. It generates a devastating 3800 PSI of water pressure at a flow rate of up to 10 Litres per minute, making it the ultimate mobile solution for obliterating thick industrial grime, caked-on clay, and stubborn environmental staining from large-scale outdoor surfaces.

Durability and professional convenience are the cornerstones of the G3800's design. At its heart lies a heavy-duty brass-head crankshaft pump, vastly outlasting standard aluminium pumps by resisting extreme heat and continuous high-pressure friction. The machine is built onto a rugged steel frame with a foldable handle and large pneumatic wheels, guaranteeing effortless transport across muddy construction sites and uneven agricultural terrain. Paired with a generous 15-metre steel-braided rubber hose and a fatigue-reducing Versa Grip trigger gun, this heavy-duty outdoor cleaner delivers unstoppable, contractor-grade performance anywhere you need it.

Who Is This Petrol Pressure Washer Ideal For?

The Karcher G3800 offers unrelenting pressure and robust off-grid mobility. It is highly recommended for:

  • Construction & Tradespeople: Blasting dried cement, heavy mud, and abrasive dirt off heavy earthmoving equipment and brickwork without needing a power outlet.
  • Commercial Exterior Cleaners: Utilizing the massive 3800 PSI output to rapidly strip severe moss, mold, and tire marks from expansive concrete driveways and car parks.
  • Agricultural & Farm Workers: Maintaining large rural properties, flushing out massive dairy sheds, and washing down tractors using a highly mobile, rugged machine.
  • Facility Managers: Investing in a heavy-duty high-pressure water blaster that can easily survive the daily abuse of demanding commercial environments.

Key Features and Performance Benefits:

  • Extreme 3800 PSI Output: Delivers explosive cutting power to effortlessly peel away years of built-up dirt and industrial grime in a fraction of the time.
  • Robust 196cc 4-Stroke Engine: Provides highly reliable, continuous off-grid power, completely eliminating the restriction of 240V power cords.
  • Heavy-Duty Brass Crankshaft Pump: Engineered for severe commercial applications, the brass pump head easily resists corrosion and extreme hydraulic pressure.
  • 15-Metre Steel-Braided Hose: The exceptionally long, crush-resistant rubber hose provides a massive working radius, allowing you to clean large areas without moving the machine.
  • Versa Grip Trigger Gun: Features a dual-trigger mechanism that allows you to shoot water comfortably from multiple angles, drastically reducing shoulder and wrist fatigue.
  • 4 Quick-Connect Nozzles: Includes 15°, 25°, 40°, and 65° (soap) spray tips, allowing you to instantly customize the spray pattern for different cleaning tasks.

Technical Specifications:

  • Brand: Karcher
  • Model: G3800 Petrol
  • Part Number: 9.507-268.0
  • Engine: 196cc 4-Stroke Petrol Engine
  • Maximum Pressure: 3800 PSI
  • Flow Rate: Up to 10 Litres per minute (L/min)
  • Pump Type: Brass-head crankshaft pump
  • Hose Type: 15 Metres (Steel-braided rubber)
  • Mobility: Large pneumatic tires with a folding frame
  • Maximum Water Inlet Temp: 50°C

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
What is the benefit of a brass-head crankshaft pump?

Crankshaft pumps run cooler and generate significantly less friction than standard axial pumps. When combined with a heavy-duty forged brass head, the pump can safely withstand massive 3800 PSI pressure without cracking, making it ideal for daily commercial use.

Do I need to mix oil with the petrol?

No. The 196cc engine is a 4-stroke motor. It runs on standard, fresh unleaded petrol. The engine oil goes into a completely separate sump, so no messy fuel mixing is required.

What is the Versa Grip trigger gun?

The Versa Grip is a specialized Karcher gun design that features dual triggers. It allows you to hold and operate the gun from multiple ergonomic angles, which significantly reduces wrist and shoulder fatigue during hours of continuous pressure washing.

Is the 15-metre hose durable?

Yes, it is a premium commercial-grade hose. It is constructed from thick rubber and reinforced with braided steel, meaning it resists kinking, crushing, and bursting even when dragged across sharp concrete.

How do the 4 different nozzles work?

The machine includes quick-connect nozzles with different fan angles. A 15-degree nozzle provides a sharp, concentrated jet for aggressive cleaning, while a 40-degree nozzle offers a wider, gentler spray for washing cars or rinsing away loose dirt.

Can this machine draw water from a tank?

While it is exceptionally powerful, it is designed to be fed by a pressurized mains water supply (standard garden tap) to ensure the pump does not run dry. Drawing water directly from a static bucket is not recommended.

Are the pneumatic tires prone to going flat?

The pneumatic tires are essentially air-filled rubber tires (like on a wheelbarrow). They provide vastly superior shock absorption on rough terrain compared to solid plastic wheels, but they should be periodically checked for correct air pressure.

Does the handle fold down for storage?

Yes, the robust steel frame features a folding handle mechanism. This allows the tall machine to instantly collapse down, making it much easier to store under workbenches or fit into the back of a tradesman's ute.

Can I run hot water through the pump?

The Karcher G3800 can safely accept warm water input up to a maximum of 50ºC to help dissolve grease. You must NEVER run boiling water through the machine, as extreme heat will melt the internal seals.

Is 3800 PSI safe to use on wooden decks?

3800 PSI is extremely powerful and can easily splinter and destroy soft timber. When cleaning wood, you must use the widest nozzle (40 degrees) and hold the wand a safe distance away from the surface.

Do I need to put oil in it before the first use?

Yes! The machine is typically shipped without engine oil. You must fill the crankcase with the correct 4-stroke engine oil before starting it for the first time, otherwise the engine will instantly seize.

Do you offer trade pricing for commercial contractors?

Yes, Freshway Supplies provides competitive trade and bulk pricing for construction firms, exterior cleaners, and agricultural businesses outfitting their teams. Contact us to establish your trade account.

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