Simpson Clean Machine 3400 PSI Gas Pressure Washer, 2.5 GPM, CRX engine

The SIMPSON Clean Machine is a gas pressure washer built for homeowners who want one machine for a range of outdoor cleaning jobs. Its 3400 PSI and 2.5 GPM output suit work such as cleaning decks, driveways, siding, fencing, patio furniture, and cars. That makes it a practical match for buyers who want a dedicated washer for recurring home maintenance rather than a tool aimed at one narrow task.

The engine and pump are central to the setup. A 208 cc CRX engine includes easy starting and low oil shutdown, while the OEM Technologies axial cam pump is maintenance free and has a thermal relief valve intended to help prevent overheating. For the buyer, that combination means the machine is designed around straightforward operation, with engine and pump features that reduce some of the attention normally associated with equipment care.

Reach and movement are also thoughtfully addressed. The 25 foot MorFlex high pressure hose resists kinks and abrasion, and its non marring construction is intended to help protect finished surfaces. Quick connect fittings make setup faster, while the 10 inch pneumatic tires are designed to roll across gravel, grass, and curbs. The balanced layout supports transport, and the welded steel frame has a powder coated finish that resists corrosion.

The included accessories cover several types of cleaning without requiring separate spray equipment. You get four quick connect tips, including 0 degree, 15 degree, 40 degree, and soap options, plus an ergonomic front load M22 pressure washer gun and a 16 inch spray wand. The trade off is that this is a gas powered machine, so it is a different choice from a product designed around another power source. Its stated 49 state compliance also means it is not for sale in California.

Verdict: Buy the Clean Machine if you want a gas pressure washer with substantial cleaning output, useful hose reach, mobile handling, and several included spray options. Look elsewhere if gas powered operation does not fit your needs or if you need a version intended for sale in California.

• Engine: 208 cc CRX
• Pressure: 3400 PSI
• Flow: 2.5 GPM
• Pump: OEM Technologies axial cam pump
• Hose length: 25 feet
• Tire size: 10 inches
• Dimensions: 37 inches L x 30 inches W x 21 inches H
• Weight: 64 lb.
• Frame: Welded steel with powder coated finish
• Spray tips: 0 degree, 15 degree, 40 degree, and soap nozzle
• Included gun: Front load M22 pressure washer gun
• Included wand: 16 inch spray wand
• Compliance: 49 state compliant, not for sale in California

A great fit if you:

• Want one gas powered washer for decks, driveways, siding, fencing, furniture, and vehicle cleaning.
• Prefer having several spray options included so different cleaning tasks can use different tips.
• Need to move the machine across grass, gravel, and curbs while working around your property.
• Value a longer hose and quick connect fittings when setting up for different cleaning jobs.

Consider something else if you:

• Need a battery powered version because gas powered equipment does not suit your preferred setup.
• Need a pressure washer available for sale in California, so consider a version intended for that market.

Confirm on the listing:

• Measure your available storage area against the stated 37 inch by 30 inch by 21 inch dimensions.
• Check whether the included M22 gun and quick connect fittings match any accessories you already own.
• Confirm that the box contents meet your needs, including the four spray tips, gun, and 16 inch wand.
• If care requirements matter to you, check the listing and supplied instructions for the recommended engine and pump care routine.

How to compare your options: Focus on pressure, flow, hose reach, mobility, included spray options, and the power source. This model combines 3400 PSI with 2.5 GPM, a 25 foot hose, four tips, and 10 inch pneumatic tires, so compare those specific features against the jobs you expect to handle. If space or transport matters, also compare the stated dimensions, weight, and frame design.

• Assemble the welded steel frame as directed, then use the supplied setup instructions if they provide additional assembly or operating guidance.
• Choose among the included 0 degree, 15 degree, 40 degree, and soap nozzle tips according to the cleaning task and the instructions.
• Use the 25 foot hose and quick connect fittings to arrange the washer for convenient access while reducing unnecessary hose handling.
• Move the machine using its pneumatic tires, taking advantage of the design intended for grass, gravel, and curbs.
• For ongoing care, follow the manufacturer's instructions for the CRX engine and maintenance free axial cam pump, including any guidance related to low oil shutdown and thermal relief.

What comes with the SIMPSON Clean Machine?
It comes with four quick connect tips, a front load M22 pressure washer gun, and a 16 inch spray wand. The tips are 0 degree, 15 degree, 40 degree, and soap nozzle options.

How much hose reach does it have?
It has a 25 foot high pressure hose. The MorFlex hose resists kinks and abrasion, and its non marring construction is intended to help protect finished surfaces.

Is this pressure washer easy to move?
Yes, it has 10 inch pneumatic tires and a balanced layout intended to make transport easier. The tires are designed to roll across gravel, grass, and curbs.

What engine does it use?
It uses a 208 cc CRX engine with easy starting and low oil shutdown. The pump is an OEM Technologies axial cam design with a thermal relief valve.

Can I buy it in California?
No, the listing says this machine is not for sale in California. Shoppers there should check the listing for a version intended for sale in their market.