SIMPSON Clean Machine CM61456-S Gas Pressure Washer, 3200 PSI, 2.5 GPM

The SIMPSON Clean Machine CM61456-S is a gas pressure washer listed at 3200 psi and 2.5 gpm for residential outdoor cleaning. Its built-in soap tank, turbo nozzle, four quick-connect tips and 25-foot hose suit varied household tasks, while the gas-powered design and 50-pound listed weight are worth considering for storage and handling.

At a glance

Listing specifies a maximum of 3200 psi and 2.5 gpm for residential outdoor cleaning.
Built-in soap tank and turbo nozzle are intended to support detergent application and tougher grime removal.
Four quick-connect tips are listed: 0°, 15°, 40° and soap.
12-inch never-flat wheels and a welded steel frame are listed for moving and supporting the unit.

Price

$279.00Save 15%

Reference price: ~~$329.00~~

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

The included nozzle options and built-in soap tank offer different approaches for household cleaning tasks.
A 25-foot high-pressure hose provides reach from the washer, and the listing describes it as kink- and abrasion-resistant.
Customer feedback specifically mentions easy starting and assembly, alongside positive impressions of pressure and performance.

Cons

At 50 pounds, the listed weight may be a consideration when lifting or storing the washer.

Technical specifications

19 specifications

Identity
Brand	SIMPSON
Model	CM61456-S

Pressure and flow
Maximum pressure	3200 psi
Maximum flow rate	2.5 gpm

Power and pump
Power configuration	gas_powered
Engine displacement	174 cc
Pump	OEM Technologies axial cam pump

Dimensions and installation
Dimensions listed	22"L x 18"W x 35.75"H
Weight listed	50 pounds
Hose length	25 feet
Wand length	16 inches

Cleaning features
Nozzles	0°, 15°, 40°, and soap
Soap tank	Built-in soap tank
Turbo nozzle	Included

Construction and compliance
Frame	Steel construction
Wheels	12" Never-flat wheels
Specification met	EPA
Color	Black

Warranty listed
Warranty description	2-Year limited engine warranty, 1-Year limited pump warranty, 5-Year limited frame warranty, 90-Day limited accessory warranty

What to know before buying

Listing details to confirm

The listing describes this as 49-state compliant and says it is not for sale in California. Confirm regional availability before purchasing. The product information conflicts on engine displacement, listing 174 cc in the main features and 170 cc in manufacturer material. It also describes assembly differently, with one section saying easy to assemble and another saying fully assembled. Verify the selected listing configuration if these details matter.

Who is it for?

A good fit for

Homeowners cleaning decks, patios, siding, driveways, fences or outdoor furniture.
Buyers who want a gas-powered washer with soap application and multiple nozzle choices.

Less suited to

Buyers who need a product explicitly listed for sale in California.
Anyone prioritizing a lightweight washer for frequent lifting or compact storage.

SIMPSON Clean Machine CM61456-S Gas Pressure Washer, 3200 PSI, 2.5 GPM · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 81 ratings

5 stars77%77%
4 stars13%13%
3 stars2%2%
2 stars0%0%
1 star8%8%

Customer feedback highlights positive impressions of pressure and performance, along with reports that starting and assembly are easy. Those impressions are relevant to a gas washer listed at 3200 psi and 2.5 gpm, though they are customer perceptions rather than verified performance measurements. The overall rating distribution is mostly five-star but includes a smaller one-star share, so the aggregate is not uniformly positive.

Positive themes

Customer feedback describes strong pressure and performance.
Customers report that starting and assembly are easy.

Frequently asked questions

What pressure and flow rate are listed?

The listing specifies a maximum pressure of 3200 psi and a maximum flow rate of 2.5 gpm.

What cleaning attachments are described?

The product information lists a turbo nozzle and four quick-connect tips: 0°, 15°, 40° and soap.

Can it be used in California?

The listing says 49-state compliant and explicitly says not for sale in California.

What should I know about the engine specification?

The listing is inconsistent: one section gives 174 cc, while manufacturer material gives 170 cc. Check the selected listing for the applicable configuration.