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Simpson CM61081 Spec Breakdown

The Simpson Clean Machine CM61081 is a gas-powered pressure washer offering a maximum water pressure of 2800 PSI and flow of 2.3 GPM. (Read full specs)

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Simpson CM61081 2800PSI Gas Pressure Washer
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Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold
PSI2800
GPM2.3
Cleaning Units6440
Engine159 cc Simpson OHV 4-stroke
PumpOEM Technologies™ Axial Cam
SeriesClean Machine
Features
FrameSteel tubing
Soap injectionVia siphon hose
Nozzles0°, 25°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀1/4
Hose storageStraps
Misc
Dimensions
(D x W x H)
Approx. 16.5 x 13 x 33.3 in
Weight56 lbs
Wheels2 wheels, ⌀8", never flat
Included accessoriesOil, wand, spray gun, high pressure hose, soap hose, 3 nozzles
SecurityTrigger lock and thermal relief valve
EmissionsCARB
Warranty2 years
UPC879399005534

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 fully assembled compact gas pressure washer is lightweight, easy to store and provides a powerful pressure washing experience. Just set up and you are ready to clean. The Clean Machine features a 159cc SIMPSON OHV engine paired with an OEM Technologies™ axial cam pump.

Zoom on the Simpson CM61081

The Simpson CM61081, a medium to heavy duty pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • spot cleaning of hard, paint-free surfaces and out-of-reach areas
  • use of detergent and cleaning solutions

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

With a 159 cc engine, its axial cam pump delivers a pressure of 2800 PSI (roughly 47 times more than a standard garden hose) and a flow of up to 2.3 GPM (CETA-certified values), resulting in the Simpson CM61081's cleaning power of 6440 Cleaning Units.

The Simpson engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

The fuel is stored in a tank, which can hold up to 0.3 gallon of gasoline.

Design & Handling

Thanks to its hand truck design and approximate dimensions of D16.5 x W13 x H33.3 in, the Simpson CM61081 offers great mobility. The robust steel tubing frame guarantees longevity of the assembly. The handle adds to the CM61081 convenience of transport.

Weighing 56 lbs, the unit is easy to maneuver by most people. A major component of its weight are its 159 cc Simpson engine and steel tubing frame. However, the two 8" never-flat wheels allow the CM61081 to be easily manipulated and maneuvered.

Main Features

The Simpson CM61081's package includes a spray gun, a wand, a pressure hose, 3 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. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: The included 25 ft ⌀1/4" high-pressure hose can be neatly stored on the unit when idle thanks to a set of easy-to-use straps.
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • Nozzles: The following table illustrates the 3 included nozzles, along with the surfaces which they are the most suitable for.
 


25°

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

Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: Use with caution.

Other Features

Some of the accessories of the Simpson CM61081

Some of the included accessories

  • Onboard storage: The Simpson CM61081 features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: The Simpson CM61081 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get spray gun, pressure hose, soap hose, oil and wand.
  • Emissions: The Simpson CM61081 is CARB-compliant. Thus, it can be bought and sold in any of the 50 states, including California.

The Simpson CM61081's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson CM61081 compare to similarly priced pressure washers.

  • The Simpson CM61081, which can achieve a PSI of up to 2800, falls behind the other gas-powered pressure washers in the $400 to $500 price range. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Simpson MS60921-S, which reaches up to 3300 PSI.
  • The achievable water flow of this washer, which reaches 2.3 GPM (gallons per minute) can be described as low, compared to other devices in its price range. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the Lifan LFQ3370, that can deliver up to 3 GPM.
  • With 6440 Cleaning Units (PSI X GPM), the CM61081 is on the low end when compared to other similarly priced gas-powered devices. If the highest overall cleaning power is your top priority, the Lifan LFQ3370, which can reach up to 9900 Cleaning Units, is one of the most efficient of the devices in the current price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 6000 and 6500 Cleaning Units, the Simpson CM61081 is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Onboard storage
  • Several security features
  • CARB-compliant
WEAKNESSES:
  • On the expensive side
  • Could include more nozzles
  • No soap tank
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the Simpson CM61081 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. 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 CM61081 is covered under a warranty for up to 2 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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