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Sun Joe SPX4600 Spec Review

The Sun Joe SPX4600 is an electric pressure washer offering a maximum water pressure of 2300 PSI and flow of 1.1 GPM. (Read full specs)

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Sun Joe SPX4600 2300PSI Electric Pressure Washer
Sun Joe SPX4600 2300PSI Electric Pressure Washer
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Description

YOUR DIRTY JOBS JUST GOT DONE. Fight back against dirt + debris with SPX4600 14.5-Amp Electric Pressure from SUN JOE® — the latest eco-friendly, electric grime fighter. Blast up to 3000 PSI of pressure and up to 1.3 GPM with SPX4600 to quickly wash away dirt and debris. (source: Sun Joe (opens in a new tab))
Note: Sun Joe claims that this unit provides 3000 PSI and 1.3 GPM. In fact, the stated PSI value is only at the initial trigger pull, while the stated GPM value is with a nozzle opened to the lowest pressure. Under a typical load, the working pressure is 2300 PSI and the flow is 1.1 GPM.

Zoom on the Sun Joe SPX4600

The Sun Joe SPX4600, a medium duty pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • spot cleaning of hard, unpainted surfaces or high reach areas
  • intense cleaning of tough, paintless surfaces
  • cleaning of painted and fragile surfaces
  • 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

The Sun Joe SPX4600 in use

The Sun Joe SPX4600

Using a 14.5 amp motor, its axial pump delivers a pressure of up to 2300 PSI (roughly 38 times more than a standard garden hose) and a flow of up to 1.1 GPM. Together, the values result in a cleaning power of 2530 Cleaning Units.

The SPX4600 is an electric pressure washer and thus, can be easily started by an ON/OFF switch. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.

Design & Handling

With its hand truck design and approximate dimensions of D23.5 x W18.5 x H35.4 in, the Sun Joe SPX4600 provides great mobility. The strong metal frame assures assembly longevity. The foam-padded fixed handle adds to the SPX4600 convenience of transport, while offering a comfortable grip.

The unit can be very easily carried around, as it weighs just 36.6 lbs. A set of two 9.4" wheels also improves the ease of transport of the device.

Main Features

The Sun Joe SPX4600 in use

The Sun Joe SPX4600

The Sun Joe SPX4600 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: A safe detergent storage is facilitated by a 1 gal tank. The detergent dilution ratio can be manually selected, using a dial. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: The 20 ft ⌀1/4" high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using a set of convenient hooks.
  • Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
  • Nozzles: The table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate for.
 



15°

25°

40°

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

The specs of the Sun Joe SPX4600

The Sun Joe SPX4600

  • Total Stop System (TSS): This feature automatically shuts off the pressure washer when the trigger is not engaged, to prolong the pump's lifespan.
  • Onboard storage: With the Sun Joe SPX4600's handy storage area, you’ll always have all the necessary nozzles and accessories at hand and thus, you’ll be fully prepared for any job.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: The Sun Joe SPX4600 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 pressure hose, wand, spray gun, nozzle cleaner and power cord.

Product Video

The Sun Joe SPX4600's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Sun Joe SPX4600 compare to similarly priced pressure washers.

  • The Sun Joe SPX4600, with a max water pressure of 2300 PSI, has one of the highest PSI values of the electric products in the $200-250 price range.
  • The achievable water flow of this washer, which reaches 1.1 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 Powerhorse 157055, that can deliver up to 1.5 GPM.
  • As the SPX4600 has a total of 2530 Cleaning Units (PSI x GPM), it finds itself in the average cleaning efficiency range for similarly priced electric units. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Kärcher K5 Premium and its 2800 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other electric washers between 2500 and 3000 Cleaning Units, the Sun Joe SPX4600 is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Good range of nozzles included
  • Detergent dilution mechanism
  • Onboard storage
  • High PSI for the price
AVERAGE SPECS:
  • Decent CU for the price
WEAKNESSES:
  • No additional pressure control
  • Low GPM for the price

Do you own the Sun Joe SPX4600 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI2300
GPM1.1
Cleaning Units2530
Motor14.5 amp
PumpAxial
Features
FrameMetal
Soap injectionYes
Soap tank1 gal
Soap dilutionWheel
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose20 ft, ⌀1/4
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 23.5 x 18.5 x 35.4 in
Weight36.6 lbs
Pressure controlNo
Wheels2 wheels, ⌀9.4"
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 35 ft GFCI power cord, 5 nozzles
SecurityTrigger lock
Warranty2 years

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.

About Sun Joe

Sun Joe is the brand that the parent Snow Joe Company uses to market its line of summertime outdoor power equipment. Founded in 1994 in Edison, NJ, Snow Joe + Sun Joe has consistently supplied do-it-yourselfers with quality corded electric and battery-powered tools for home and gardening needs. The company strives to be ecologically friendly and prides itself on innovation and low-cost solutions. Their range of products includes snow throwers, lawn mowers, pressure washers, and trimmers. The design team is located in Carlstadt, NJ, while the manufacturing facilities are located in China, India, Taiwan, Japan, as well as in the USA.

Warranty Information

The Sun Joe SPX4600 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 Sun Joe pressure washers, please consult Sun Joe's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-866-SNOWJOE (866-766-9563).

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