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    $2,099.00 - $2,099.00
    $2,099.00

    Karcher G 4000 H Petrol Pressure Washer 4000 PSI 1.194-090.0

    SKU 1.194-090.0
    Karcher

    Karcher G 4000 H Petrol Pressure Washer (4000 PSI) – Commercial Pressure Washer Instantly unleash absolute hydraulic devastation on your most grue...

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    $2,099.00 - $2,099.00
    $2,099.00
    $2,099.00 - $2,099.00
    $2,099.00
  • Karcher G3800 Petrol Pressure Washer 3800PSI Heavy-Duty Cleaner
    $1,799.00 - $1,799.00
    $1,799.00
    $1,799.00 - $1,799.00
    $1,799.00

    Karcher G3800 Petrol Pressure Washer 3800PSI Heavy-Duty Cleaner

    SKU 1.194-080.0
    Karcher

    Karcher G 3800 Petrol Pressure Washer (3800 PSI) – Commercial Pressure Washer Instantly unleash massive hydraulic devastation on your most gruelin...

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    $1,799.00 - $1,799.00
    $1,799.00
    $1,799.00 - $1,799.00
    $1,799.00

Collection Description

Industrial Pressure Washers & Cleaners

Standard commercial pressure washers are simply not built to survive the relentless, 8-hour daily shifts required on heavy industrial sites. Industrial Pressure Washers & Cleaners deliver the extreme raw power, unyielding durability, and massive water flow required for the absolute toughest heavy-duty cleaning applications across Australia.

Since 2001, Freshway Supplies has been Australia’s trusted supplier of industrial high-pressure machinery for mining contractors, facility managers, agricultural operators, and heavy transport depots. Our machines are over-engineered with slow-revving brass pumps and ceramic pistons to effortlessly strip away stubborn grease, hydraulic oil, baked-on mud, and cement residue in the harshest conditions.

We don’t just sell boxes. Freshway provides complete, professional cleaning systems tailored to your specific industry. Whether you are outfitting a food-processing facility with 3-phase electric hot water units, or equipping an off-road trailer with heavy-duty diesel skid-mounts, we provide high-performance solutions backed by real technical experience, authorized servicing, and rapid nationwide distribution.

Quick Industrial Washer Selection Guide

Don't guess what size machine your facility needs. Use this quick decision matrix to select the perfect industrial pressure washer for your exact application:

  • Food manufacturing, abattoirs & heavy grease → Choose an Electric Hot Water Pressure Washer (up to 155°C).
  • Remote mining, construction & agricultural sites → Choose a Diesel or Petrol Pressure Cleaner with a rugged roll-cage.
  • Indoor logistics centers, warehouses & factories → Choose an emission-free 3-Phase Cold Water Electric Washer.
  • Heavy earthmoving equipment & truck wash-downs → Choose a machine with an ultra-high Flow Rate (21L/min or higher) to flush mud quickly.

Explore Our Industrial Washing Equipment

Equip your operations with heavy-duty machinery built to withstand relentless daily abuse. Explore our core industrial categories below.

Hot Water Industrial Washers

The ultimate solution for melting grease, oil, and animal fats. Essential for clinical sanitization in food production, automotive workshops, and factories. Available in single-phase and heavy-duty 3-phase electric configurations.

Petrol & Diesel Pressure Cleaners

Achieve maximum power and total mobility. Engineered for remote locations, massive construction sites, and agriculture. These robust units feature heavy-duty gearboxes, roll-frames, and reliable engines to operate entirely off-grid.

Industrial Accessories & Parts

Maintain peak cutting performance. We stock a massive inventory of extreme-pressure hoses, heavy-duty turbo nozzles, commercial spray guns, stainless steel wands, brass pump valves, and quick-release fittings.

Unmatched Power for Heavy Industries

Freshway provides tailored pressure washing solutions to keep Australia's toughest sectors clean, compliant, and fully operational.

Mining & Earthmoving

Slash your wash-bay times. Utilize high-flow, high-PSI diesel skid-mount washers to rapidly blast thick, caked-on clay and corrosive minerals from heavy excavators and dump trucks.

Agriculture & Farming

Protect your biosecurity. Deploy rugged petrol pressure washers to thoroughly wash down tractors, sterilize livestock transport trailers, and clean dairy milking parlors with incredible efficiency.

Food Processing & Abattoirs

Ensure strict HACCP compliance. Use 3-Phase electric hot water washers to safely melt away animal fats and eradicate dangerous bacteria on production lines without releasing toxic diesel exhaust indoors.

Transport & Logistics

Keep your fleet looking professional. Combine high-flow cold water washers with heavy-duty foaming lances to rapidly apply traffic film removers and wash down massive semi-trailers in minutes.

Partner with Australia's Pressure Washer Experts

Whether you are a facility manager needing an emission-free 3-phase electric washer for a warehouse, or a commercial contractor outfitting your custom wash trailer with high-flow diesel skids and turbo nozzles, Freshway Supplies is your dedicated B2B machinery partner. Enjoy highly competitive trade pricing, expert technical servicing, and vast spare parts availability. Visit our massive showroom in Arncliffe, Sydney for Click & Collect, or order your industrial equipment online today for fast, secure heavy-freight shipping right across Australia.

Frequently Asked Questions
What is the difference between a domestic and an industrial pressure washer?

Industrial pressure washers are engineered for relentless daily abuse, differing in three key areas:

  • Pump Construction: Industrial machines use forged brass pump heads and ceramic pistons, whereas domestic units use cheaper aluminum or plastic.
  • Motor Speed: Industrial electric washers use slow-revving motors (e.g., 1440 RPM) to prevent overheating during continuous 8-hour shifts.
  • Performance: They deliver significantly higher flow rates (15L to 25L per minute) to quickly flush away heavy mud, not just cut it.
When should I choose a Hot Water industrial pressure washer over Cold Water?
You must use a hot water pressure washer when dealing with grease, hydraulic oil, animal fats, or extreme biological waste. Hot water (heated up to 155°C) physically melts the molecular bonds of oil, allowing the pressure to wash it away instantly. Cold water will simply push grease around without removing it.
What is more important: PSI (Pressure) or LPM (Flow Rate)?
They do different jobs. PSI (Pounds per Square Inch) provides the stripping power to cut through thick concrete or scale. LPM (Litres per Minute) provides the flushing power. For washing heavy earthmoving equipment or large trucks, a high flow rate (21L/min) is far more important than extreme PSI, as it washes the heavy mud away significantly faster.
Can I use a petrol or diesel pressure cleaner indoors?
Absolutely not. Petrol and diesel engines emit deadly carbon monoxide exhaust fumes. They must only be operated outdoors, on open construction sites, or in highly ventilated agricultural settings. For indoor warehouses or food factories, you must use an emission-free electric pressure washer.
What is a 3-Phase pressure washer?
A 3-Phase pressure washer utilizes an industrial 415V electrical power supply. This allows the machine to run a massive, heavy-duty motor capable of generating extreme pressures (3000 to 5000+ PSI) and high flow rates entirely on electricity, enabling continuous, emission-free use inside large industrial facilities.
Do you supply skid-mounted pressure washers for trucks and trailers?
Yes. We supply heavy-duty, commercial skid-mounted pressure washers. These units (usually petrol or diesel-powered) are built onto rugged steel frames designed to be permanently bolted down into the back of a ute, truck, or custom detailing trailer for remote off-grid cleaning.
What is a turbo nozzle, and do I need one?
A turbo nozzle takes a highly concentrated 0-degree jet of water and spins it in a rapid circular motion (usually at 3000 RPM). This gives you the extreme cutting power of a pinpoint jet, but covers a much wider area. It is absolutely essential for stripping flaking paint, thick mud, and heavy concrete scale.
How often does an industrial pressure washer need to be serviced?

To prevent catastrophic pump failure, strict maintenance is required:

  • Pump Oil: Must be changed after the first 50 hours of use, and then every 500 hours (or every 3 to 6 months depending on usage).
  • Engine Oil (Petrol/Diesel): Must be changed according to the engine manufacturer's manual (usually every 100 hours).
  • Water Filters: Must be checked and cleaned daily to prevent debris from destroying the ceramic pistons.
What happens if my pressure washer runs without water?
Running an industrial pressure washer without an adequate water supply (cavitation) will destroy the pump within minutes. The water acts as a crucial coolant and lubricant for the internal seals and ceramic pistons. Always ensure your hose is fully primed and the tap is wide open before starting the machine.
Can an industrial pressure washer draw water from a tank?
Yes, many industrial pressure washers are designed to 'suction feed' or draw water from an unpressurized IBC tank or water bowser. However, you must use a thick, reinforced suction hose to prevent it from collapsing, and the tank should ideally be positioned higher than the pump to rely on gravity feed.
Do you sell genuine replacement parts and accessories?
Yes. Freshway Supplies operates a professional service center. We stock a massive inventory of genuine replacement parts, including heavy-duty 15m to 30m high-pressure hoses, unloader valves, brass pump heads, trigger guns, and quick-release fittings for all the industrial brands we sell.
Does Freshway offer bulk pricing and Australia-wide delivery for industrial equipment?
Yes. We specialize in B2B heavy machinery distribution. We offer highly competitive, tailored trade pricing for commercial contractors and facility managers, and we provide fast, secure heavy-freight shipping to all states, territories, and remote mining sites right across Australia.

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