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Karcher G3800 Petrol Pressure Washer 3800PSI Heavy-Duty Cleaner

SKU 1.194-080.0
BARCODE 4054278986685
By: Karcher
Original price $1,799.00 - Original price $1,799.00
Original price
$1,799.00
$1,799.00 - $1,799.00
Current price $1,799.00
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 G 3800 Petrol Pressure Washer (3800 PSI) – Commercial Pressure Washer

Instantly unleash massive hydraulic devastation on your most grueling, off-grid worksites and completely eradicate catastrophic outdoor grime with the formidable Karcher G 3800 Petrol Pressure Washer. In the demanding commercial exterior cleaning, agriculture, and property maintenance sectors, relying on electric power is impossible, and cheap domestic washers completely fail against baked-on mud, thick mold, and heavy grease. This elite commercial pressure washer is a highly aggressive, unadulterated powerhouse. Driven by a highly reliable 196cc Karcher KXS 4-stroke petrol engine, it powers a heavy-duty brass-head crankshaft pump to generate a terrifying 3800 PSI of water-blasting force combined with a 10 Litre per minute flow rate. This guarantees you possess the exact, uncompromising hydraulic muscle required to rapidly strip thick, rock-hard clay off heavy machinery and aggressively blast black mold out of massive concrete driveways.

Engineered for absolute industrial survival and extreme mobility on harsh terrain, the G 3800 is forged around a heavy-duty, reinforced steel frame that easily survives brutal drops from Utes. It sits on massive, air-filled pneumatic tires, allowing a single operator to effortlessly roll the heavy machine across brutal gravel, thick mud, and sharp scaffolding. Arriving fully equipped for immediate commercial deployment, it includes a professional-grade trigger gun with a child safety lock, a massive 15m steel-braided high-pressure hose, an integrated detergent tank, and 5 quick-connect nozzles (0°, 15°, 25°, 40°, and Soap). Featuring a highly convenient folding handle for compact storage under a tonneau cover, this petrol water blaster is the ultimate, indestructible weapon for serious tradesmen demanding flawless, off-grid reliability.

Who Is The Karcher G 3800 Petrol Pressure Washer Ideal For?

The G 3800 delivers colossal 3800 PSI power, a 196cc engine, and a commercial brass pump. It is highly recommended for:

  • Commercial Exterior Cleaners: Utilizing a devastatingly powerful commercial pressure washer to rapidly blast thick black mold and heavy algae off massive commercial concrete car parks and expansive brick driveways, drastically slashing labor times.
  • Heavy Earthmoving & Agriculture: Relying on the massive 3800 PSI water volume to violently rip thick, baked-on clay and heavy manure off massive tractors and dump trucks in completely remote, off-grid locations without power access.
  • Construction & Tradespeople: Deploying a highly reliable petrol water blaster to aggressively prep peeling paint off timber houses or strip heavy concrete slurry off active, powerless jobsites.
  • Automotive Detailers & Fleet Washers: Taking absolute advantage of the massive 10 L/min flow rate to effortlessly wash massive fleets of commercial transport vehicles, trucks, and heavy trailers rapidly.

Key Features and Performance Benefits:

  • Devastating 3800 PSI / 10 L/min Output: The ultimate combination of pressure and flow. 3800 PSI cuts the dirt from the surface, while the massive 10 Litres per minute of water violently flushes the heavy mud away, completely eliminating 'zebra striping' on driveways.
  • 196cc Karcher KXS Petrol Engine: Work absolutely anywhere. This heavy-duty 4-stroke engine delivers relentless, unyielding power all day long, completely severing your reliance on finding electrical outlets on remote jobsites.
  • Brass-Head Crankshaft Pump: Engineered for extreme longevity. Unlike cheap aluminum wobble-pumps that burn out quickly, this commercial-grade pump is forged from solid brass. It runs cooler and easily survives thousands of hours of brutal commercial abuse.
  • Massive 15m Steel-Braided Hose: Provides exceptional worksite maneuverability. The huge 15m length allows you to clean an entire house without dragging the heavy machine. Reinforced with steel, it completely resists kinking and survives being dragged across razor-sharp concrete.
  • Complete 5-Nozzle Arsenal: Arrives ready for war. The kit includes 5 specialized 1/4-inch Quick Connect nozzles (0° for stripping, 15° for heavy washing, 25° for sweeping, 40° for delicate surfaces, and a Soap nozzle) for absolute worksite versatility.

Technical Specifications & Inclusions:

  • Brand: Karcher
  • Model: G 3800
  • Product Type: Petrol Pressure Washer / Commercial Pressure Washer / Petrol Water Blaster
  • Engine: 196cc Karcher KXS 4-Stroke Petrol Engine.
  • Pump Type: Commercial Brass Head Crankshaft Pump.
  • Maximum Pressure: 3,800 PSI (262 Bar)
  • Flow Rate: 10 Litres per minute (600 L/h)
  • Inclusions: Washer, Commercial Gun, 15m Steel-Braided Hose, 5x QC Nozzles, Engine Oil.

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
Is 3800 PSI strong enough to clean my concrete driveway?

Absolutely! 3800 PSI is a massive, commercial-grade pressure rating. Combined with the high 10 L/min flow rate, it will effortlessly obliterate black mold, heavy moss, and baked-on industrial dirt off huge concrete expanses vastly faster than an electric washer.

What is the massive advantage of a 'Brass-Head Crankshaft Pump'?

Cheap domestic washers use 'Wobble' or 'Axial' pumps made of aluminum that run hot and burn out quickly. A Crankshaft pump runs much slower and cooler, is forged from solid brass to stop cracking under 3800 PSI, ensuring it survives years of commercial abuse.

Does it require oil before I start it?

Absolutely! For safety during shipping, the 196cc engine is shipped completely DRY. You MUST fill the engine sump with the correct amount of high-quality 4-stroke engine oil (a bottle is included in the box) before attempting to start it, or the engine will seize instantly.

What fuel does the Karcher KXS engine take?

It requires standard, high-quality Unleaded Petrol. Because it is a true 4-stroke engine, you put pure petrol into the top fuel tank and pure oil into the separate side oil sump. Do NOT mix 2-stroke oil into the petrol.

Can I attach a massive 15-inch surface cleaner to this?

Yes! Because this machine produces a massive 3800 PSI and a high 10 L/min flow rate, it has exactly the right amount of hydraulic muscle to efficiently spin a standard 15-inch commercial rotary surface cleaner for lightning-fast driveway washing.

Does this machine run on hot water?

No. This machine is engineered to accept Cold Water only from a standard garden tap. Pumping boiling hot water from a diesel heater through this specific brass pump will melt the internal rubber high-pressure seals.

What does the Black nozzle do?

The Black nozzle is the 'Soap Nozzle'. It has a massive hole that drops the water pressure significantly. This low pressure triggers the machine's chemical injector to suck detergent from the built-in 1.2L soap tank, allowing you to cover a house in thick cleaning foam.

What is the Red Nozzle for?

The Red nozzle is the 0-degree tip. It shoots a pinpoint, incredibly powerful stream of water. It is the most dangerous nozzle and should ONLY be used for aggressively stripping heavy concrete stains or thick mud from steel. It will destroy wood and car paint instantly.

Can I wash my car with this?

Yes, but you must be incredibly careful. 3800 PSI will strip car paint instantly if used wrong. You MUST use the widest, gentlest nozzle (the 40-degree White nozzle) and stand at least 3 feet back to safely wash delicate automotive clear coats.

Is the included hose made of cheap plastic?

No. This is a premium Karcher commercial kit. The massive 15-metre hose features an internal braided steel core. It is vastly more durable than standard plastic hoses and will survive being dragged over rough concrete without bursting under the 3800 PSI load.

How do I fold the handle down for storage?

The heavy-duty steel frame features quick-release knobs on the sides of the handle. You simply unscrew them slightly, and the entire top half of the handle folds flat over the engine, allowing the machine to easily fit under a tonneau cover on a Ute.

Do you offer trade pricing for commercial washers?

Yes, Freshway Supplies provides highly competitive volume pricing and trade accounts for heavy earthmoving contractors, commercial exterior cleaners, and property maintenance teams outfitting their rigs. Contact us to establish your account.

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