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Sun Joe SPX4000 - 2030 PSI 1.76 GPM Electric Pressure Washer

The Sun Joe SPX4000 is an electric pressure washer offering a maximum water pressure of 2030 PSI and flow of 1.76 GPM. (Read full specs)

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Sun Joe SPX4000 2030PSI Electric Pressure WasherSun Joe SPX4000 2030PSI Electric Pressure WasherSun Joe SPX4000 2030PSI Electric Pressure Washer
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Features and Specifications

FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI (max/rated)2030/1450
GPM (max/rated)1.76/1.24
Cleaning Units1798
MotorBrushed
PumpAxial
FrameMetal
Soap injectionYes
Soap tank0.4 gal, removable
Soap dilutionWheel
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose20 ft, ⌀1/4
Hose storageHooks
Dimensions
(D x W x H)
Approx. 21.2 x 19.3 x 36.6 in
Weight27.8 lbs
Pressure controlYes
Wheels2 wheels, ⌀8"
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 35 ft GFCI power cord, 5 nozzles
SecurityTrigger lock
Warranty2 years
UPC810829028419

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

Featuring Sun Joe’s exclusive Pressure-Select Technology, the SPX4000 lets you pick the perfect pressure to combat dirt and grime with professional results, and a Total Stop power-saving system designed to save energy and prolong pump life when the trigger is not engaged.

Zoom on the Sun Joe SPX4000

The Sun Joe SPX4000, 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 and high-reach cleaning
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted and fragile surfaces
  • applying detergent and cleaning solutions

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The Sun Joe SPX4000 in use

The Sun Joe SPX4000

The Sun Joe SPX4000's axial pump, powered by a 14.5 amp motor, can provide a pressure of up to 2030 PSI (approximately 34 times more than a standard garden hose) and a flow of up to 1.76 GPM. These are the maximum values that the washer can reach only under specific conditions. Under typical load, working pressure is 1450 PSI and rated flow is 1.24 GPM. The Sun Joe SPX4000 thus has a cleaning power of 1798 Cleaning Units.

The SPX4000 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

The Sun Joe SPX4000 offers superb mobility, with a hand truck design and approximate dimensions of D21.2 x W19.3 x H36.6 in. Its sturdy metal frame provides longevity to the assembly. The foam-padded fixed handle adds to the SPX4000 convenience of transport, while offering a comfortable grip.

With a weight of only 27.8 lbs, the unit is very easy to carry around. To further improve its transportability and ease of use, the unit also features a set of two 8" wheels.

Main Features

The Sun Joe SPX4000 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Detergent storage is ensured by a removable 0.4 gal tank. The device has a dial which allows you to manually select the detergent dilution ratio. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: A neat storage for the included 20 ft ⌀1/4" high-pressure hose is facilitated by a set of convenient hooks.
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • 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 SPX4000

The Sun Joe SPX4000

  • 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: Stay prepared for any job with Sun Joe SPX4000's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Included with the Sun Joe SPX4000 are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as nozzle cleaner, power cord, wand, spray gun and pressure hose.

Product Videos

The Sun Joe SPX4000'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 SPX4000 compare to similarly priced pressure washers.

  • With 2030 PSI, the Sun Joe SPX4000 ranks as one that can reach an above average pressure, amongst the electric products that cost between $170 and $200. As for the device with the most powerful water stream, in this price range, one of the top products is the Sun Joe SPX3550 with 2350 PSI.
  • With a maximum GPM of 1.76 (gallons per minute), this washer belongs to the top in terms of water flow, in its respective price range. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the Sun Joe SPX3550, with 1.8 GPM.
  • The SPX4000 has 1798 Cleaning Units, which can be considered low in comparison to other electric devices of this price. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the Kärcher K4 and its 2850 Cleaning Units.

Price comparison

As you can see from these interactive charts, when compared to other electric washers between 1500 and 2000 Cleaning Units, the Sun Joe SPX4000 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
  • High GPM for the price
WEAKNESSES:
  • Low CU for the price

Do you own the Sun Joe SPX4000 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

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 SPX4000 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).

Sun Joe SPX4000
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  1. 0.5
    Ease Of Use
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    10

    Buy cheap, get cheap. The products are cheap and cheaply made; spare parts are unavailable; customer service is non-existent; do you need any more information? There are too many reasons to not buy this garbage to list here. Go to their Facebook page to see the wide range of deeply unsatisfied customers. Straight from central China to you local landfill in almost no time. Avoid at all costs.

    + PROS: There are none.
    - CONS: Too many to list. See their Facebook page for a laundry list of complaints from many customers covering many of their products.
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