Simpson CM61455-S - 2900 PSI 2.4 GPM 170cc Gas Pressure Washer

The Simpson CM61455-S is a gas-powered pressure washer offering a maximum water pressure of 2900 PSI and flow of 2.4 GPM. (Read full specs)

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Simpson CM61455-S 2900PSI Gas Pressure WasherSimpson CM61455-S 2900PSI Gas Pressure WasherSimpson CM61455-S 2900PSI Gas Pressure WasherSimpson CM61455-S 2900PSI Gas Pressure Washer
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Highest Price
$279.00
Lowest Price
$279.00
Current Price
$279.00

Features and Specifications

FuelGas-Powered
HandlingHand Truck
WaterCold (104°F max.)
PSI2900
GPM2.4
Cleaning Units6960
Engine170cc OHV 4-stroke
PumpOEM Technologies™ Axial Cam
SeriesClean Machine
Other model numbers61455S
FrameSteel
Soap injectionVia siphon hose
Nozzles0°, 15°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀1/4
Hose storageHooks
Dimensions
(D x W x H)
Approx. 22 x 18 x 35.8 in
Weight50 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesOil, funnel, nozzle cleaner, wand, spray gun, high pressure hose, soap hose, 4 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsEPA
Warranty5 years
UPC636893409004

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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Description

This gas pressure washer is lightweight, easy to store, and provides a powerful pressure washing experience. (source: Simpson (opens in a new tab))

Zoom on the Simpson CM61455-S

In a nutshell, the Simpson CM61455-S is a heavy duty pressure washer that allows:

  • precise spot cleaning of hard, unpainted surfaces, reaching elevated areas, and effectively removing stubborn stains
  • general cleaning of hard surfaces , washing vehicles, and preparing surfaces for painting
  • soft cleaning of delicate surfaces, and gentle cleaning for larger areas with low pressure
  • applying detergents and cleaning agents, and rinsing off surfaces

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

Powered by a 170cc engine, its axial cam pump can deliver a pressure of 2900 PSI (around 48 times more than a standard garden hose) and a flow of up to 2.4 GPM (CETA-certified values). With these values combined, the Simpson CM61455-S boasts a cleaning power of 6960 Cleaning Units.

The engine of this gas-powered pressure washer is initiated by a classic pull-start mechanism.

Fuel for the pressure washer is housed in a tank capable of holding up to 0.21 gallon of gasoline.

Design & Handling

The hand truck design of the Simpson CM61455-S ensures effortless movement and transportation. Guaranteeing longevity, the robust steel frame offers stability and protects internal components, even when subjected to demanding tasks. The handle adds to the CM61455-S convenience of transport.

At 50 lbs, this unit is light enough for easy handling, yet substantial enough to provide stability during operation. The incorporation of the 170cc engine and a durable steel frame contribute considerably to its overall weight. Yet, its two 12" never-flat wheels ensure the CM61455-S remains effortlessly maneuverable.

Main Features

The Simpson CM61455-S's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. Connection of a soap nozzle triggers the pressure washer to automatically incorporate the detergent into the water stream.
  • Pressure hose: When not in use, the unit allows for tidy storage of the included 25 ft ⌀1/4" high-pressure hose using a set of convenient hooks, ensuring convenient organization.
  • Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
  • Nozzles: The following table provides information on the 4 included nozzles and their recommended surface uses.


15°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionSuitable

Kindly note: The shapes of the nozzles depicted above are for illustrative purposes and may vary. Symbols indicate suitability, with a red cross signifying 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

The specs of the Simpson CM61455-S

The Simpson CM61455-S

  • Onboard storage: The Simpson CM61455-S allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation), a low oil protection and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Simpson CM61455-S also comes with nozzle cleaner, wand, soap hose, spray gun, funnel, oil and pressure hose.

The Simpson CM61455-S's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson CM61455-S compare to similarly priced pressure washers.

  • With a maximum pressure output of 2900 PSI, the Simpson CM61455-S finds itself within the anticipated pressure range for gas-powered units priced between $240 and $300. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Simpson CM61456-S, which reaches up to 3200 PSI.
  • Featuring a water flow of up to 2.4 GPM, this washer sits at the upper echelon of the aforementioned price range, providing a generous volume of water. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the Ryobi RY802925, that can deliver up to 2.5 GPM.
  • Boasting with 6960 Cleaning Units (PSI X GPM), the CM61455-S is one of the more efficient devices in its respective price range. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Simpson CM61456-S and its 8000 Cleaning Units.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 6500 and 7000 Cleaning Units, the Simpson CM61455-S is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget pressure washer.

The bottom line

STRENGTHS:
  • Inexpensive
  • 5 year (limited) warranty
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • High GPM for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent PSI for the price
WEAKNESSES:
  • No soap tank

Do you own the Simpson CM61455-S and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Simpson

Simpson has over 50 years of experience making quality products for the outdoor power equipment industry. Part of the FNA Group based in Pleasant Prairie, Wisconsin since 2006, they are a vertically-integrated company, meaning most of the parts and accessories are manufactured and assembled by them. Their manufacturing facilities are international, but their gas-powered pressure washers are made in the USA. With the company motto "Driven by Performance", Simpson continues to offer a great variety of pressure-washing systems for the homeowner or the professional contractor.

Warranty Information

The Simpson CM61455-S is covered under a warranty for up to 5 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Simpson pressure washers, please contact the Simpson Customer Support: 1-877-362-4271.

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